222CSharpParseOptions options = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview);

222CSharpParseOptions options = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview);

221parseOptions = parseOptions.WithLanguageVersion(LanguageVersion.CSharp8); 225parseOptions = parseOptions.WithLanguageVersion(languageVersion);

99return parseOptions.WithLanguageVersion(LanguageVersion);

105return parseOptions.WithLanguageVersion(LanguageVersion);

35/// the call to the constructor, or modified using the <see cref="WithLanguageVersion"/> method,

95return project.Solution.WithProjectParseOptions(project.Id, parseOptions.WithLanguageVersion(parsedNewVersion)); 114project.CanApplyParseOptionChange(parseOptions, parseOptions.WithLanguageVersion(parsedNewVersion));

2480""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 2582""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 2596""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp12))); 2620""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 2634""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp12)));

3489new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 3517new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 3545new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 3573new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6)));

8306new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 8336new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 8366new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 8396new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 10578""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14))); 10615""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14)));

218""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

163""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)));

26private static readonly ParseOptions CSharp72ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2); 27private static readonly ParseOptions CSharp8ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8);

21CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_3); 71await TestMissingInRegularAndScriptAsync(text, new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)));

96initialMarkup, expectedMarkup, new(options: options, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10)));

8286parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)); 8307parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9));

79parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

47new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(version))); 57new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(version)));

25private readonly ParseOptions CSharp12 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12); 473new(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5))); 491""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5))); 533""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)));

17private static readonly ParseOptions CSharp13 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp13); 18private static readonly ParseOptions CSharp14 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14);

22private static readonly ParseOptions CSharp8 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8); 23private static readonly ParseOptions CSharp9 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9); 154""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 939""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 1001""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 1034""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 1067""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion)));

3165""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9), options: ImplicitTypeEverywhere()));

30CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Latest); 82""", count: 0, parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 96""", count: 0, parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7)));

90new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 108new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 164""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 192""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 220""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 248""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 264""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

26private static readonly ParseOptions CSharp7 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7); 27private static readonly ParseOptions CSharp8 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8); 28private static readonly ParseOptions CSharp9 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9); 94new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 112new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 268""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

29private static readonly ParseOptions CSharp72ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2); 52""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 3922new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10))); 3936new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

79""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(version))); 95""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 1083""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1120""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1366""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1395""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1446""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1476""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1533""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1571""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8)));

71""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 126""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

74""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

139""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 570""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 604""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 639""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)));

1780using var session = CreateSession(code, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14));

206using var session = CreateSession(code, CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14));

3076CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14),

5227parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10),

3517var options = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Latest);

392parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), 432parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9), 473parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), 735parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), 1752parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14));

2219""", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 2238""", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 2257""", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 2271""", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 2285""", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 2299""", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12));

3201options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 3219options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 3238options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)); 3257options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12));

1294parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6),

1285Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 1299Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 1313Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 1327Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 1341Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 1355Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 2822Options.Regular.WithLanguageVersion(LanguageVersion.CSharp8), 2843Options.Regular.WithLanguageVersion(LanguageVersion.CSharp8), 8064Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8077Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8184Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8197Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8210Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8223Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8240Options.Regular.WithLanguageVersion(LanguageVersion.Preview), 8604Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8616Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8629Options.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 9110=> TestWithOptionsAsync(Options.Regular.WithLanguageVersion(LanguageVersion.CSharp11), """ 9123=> TestWithOptionsAsync(Options.Regular.WithLanguageVersion(LanguageVersion.CSharp11), """ 9135=> TestWithOptionsAsync(Options.Regular.WithLanguageVersion(LanguageVersion.CSharp11), """ 9822CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), 9848CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), 9875CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), 9902CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), 9928CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), 9949CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview),

26protected static readonly CSharpParseOptions CSharp9ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9); 27protected static readonly CSharpParseOptions CSharpNextParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14); 28protected static readonly CSharpParseOptions CSharpNextScriptParseOptions = Options.Script.WithLanguageVersion(LanguageVersion.CSharp14);

40var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe.WithMainTypeName("Program"), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 65var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 93var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe.WithMainTypeName("Program"), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 118var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 159var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 202var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 233var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 270var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 306var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 337var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 381var sourceCompilation = CreateEmptyCompilation(source, new[] { corCompilation.ToMetadataReference(), taskCompilation.ToMetadataReference() }, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 421var sourceCompilation = CreateEmptyCompilation(source, new[] { corCompilation.ToMetadataReference(), taskCompilation.ToMetadataReference() }, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 449var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 467var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 489var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 508var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 526var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 544var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 566var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 584var c = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 601var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 623var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 645var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 667var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 690var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 712var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 789var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 809var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 831var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 858var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 883var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 903var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 923var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 945var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 967var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 987var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 1007var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 1029var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 1052var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 1074CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 1142var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)).VerifyDiagnostics(); 1164var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 1220var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 1273var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseDebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)).VerifyDiagnostics( 1310var compilation = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseDebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)).VerifyDiagnostics( 1411var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 1465var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 1520var sourceCompilation = CreateCompilationWithMscorlib40(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1));

12774var comp = CreateCompilationWithMscorlib46(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 12837var comp = CreateCompilationWithMscorlib46(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion));

1636parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 1685sourceSymbolValidator: validator, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 3343parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 5371var comp = CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp6), options: TestOptions.DebugExe, references: s_valueTupleRefs); 8777parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8782parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 8802parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8807parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 8828parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8833parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 8863parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8868parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 8889parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8894parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 8932parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8939parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 8987parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 8993parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1));

2260var comp = CreateCompilationWithMscorlib40AndSystemCore(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 3492CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics(

4012var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6));

2304var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 2339var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 2381var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 2402var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 2431var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6));

50parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 123parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 214", options: TestOptions.ReleaseDll, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3)); 313parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 369parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 410parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 429parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 493parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 528parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 568parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 670parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 726parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3), 869", options: TestOptions.UnsafeReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3)); 1050", options: TestOptions.UnsafeReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3)); 1699parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3),

3945var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 3971var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)); 4029var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 4050var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 4077var comp7 = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)); 4084var verifier7_1 = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 4105var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7), 25688var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 25733var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 25759var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 25804var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 25830var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 25869var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), 25902var comp = CreateEmptyCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1),

57parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview));

817}", options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)); 834}", options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9));

11321", options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)); 11340", options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9));

5048var source0 = MarkedSource(sourceText, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)); 5049var source1 = MarkedSource(sourceText, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)); 5050var source2 = MarkedSource(sourceText, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9));

357yield return parseOptions.WithLanguageVersion(LanguageVersion.CSharp9); 358yield return parseOptions.WithLanguageVersion(LanguageVersion.Latest); 359yield return parseOptions.WithLanguageVersion(LanguageVersion.Preview);

911parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.Preview),

95comp = CreateCompilation(source, references: new[] { ref1 }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 171var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 181comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB));

534var compilation = CreateEmptyCompilation(string.Empty, parseOptions: new CSharpParseOptions().WithLanguageVersion((LanguageVersion)10000));

684parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 845parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 954parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1067parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1164parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1489parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 8349parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 8492parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 8581parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 8656parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 10186parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 10289parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 10388parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion),

222var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 258var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 280var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 340var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 393var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 630var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 743var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 770var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 804var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 834var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 916var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 997var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 1069var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 1099CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 1118CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 1132var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 1162CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 1181CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 1195var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 1225CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 1244CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 1925var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 2003parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 2902CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 2918CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 2933CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 2956CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)) 2979CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 2995CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3011CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3027CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics(); 3041CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3060CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3076CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3092CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3108CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics(); 3122CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3140CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3163CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), verify: Verification.FailsILVerify) 3235CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3253CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3277CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), verify: Verification.FailsILVerify) 3308CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), verify: Verification.FailsILVerify) 3339CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), verify: Verification.FailsILVerify) 3367CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3383CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3399CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3422CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), verify: Verification.FailsILVerify) 3452CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)) 3723CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics(); 3835CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3869CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 3965CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), targetFramework: TargetFramework.Net90).VerifyDiagnostics( 3996CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4043CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4204CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4272CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4332CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4357CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4373CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4389CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4407CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4432CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4448CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4464CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4487var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 4519var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), verify: Verification.FailsILVerify); 4550var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 4582var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 4703var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 4856CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4892CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 4916CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5177CreateCompilationWithSpanAndMemoryExtensions(source, TestOptions.UnsafeReleaseExe, TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5312var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5397var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5405CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5419var comp = CreateCompilation([source, source2], parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5443CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5466CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5562var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5580var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5612var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5643CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5754CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5780var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5805CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5824var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 5851CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5868CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5889CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 5919CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 6247var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 6617CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 7033var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7062CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 7092CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 7125var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7296parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7428var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7480var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7500var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7553var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7573var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7594var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7644var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7666var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7792var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7865var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7884var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7903var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 7951var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 8235CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 8357CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)).VerifyDiagnostics( 8435var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 8758var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion));

3725CreateCompilation(new[] { source1, source2 }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 3755CompileAndVerify(new[] { source1, source3 }, expectedOutput: "256 256 156 156", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics();

150var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 2309CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(version)).VerifyDiagnostics( 22710var comp = CreateCompilation(new[] { sourceA, CollectionBuilderAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp10), targetFramework: TargetFramework.Net60);

111parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 266parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 317parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 369parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 422parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 470parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 533parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 579var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 839parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 878parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 917parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 962parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1023parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1122parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1173parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1214parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1270parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1352parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1440parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1490parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1526parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1574parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1622parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1668parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1708parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1767parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1809parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1871parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1912parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 1962var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion));

50var compilation = CreateCompilation(text, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 82var compilation = CreateCompilation(text, options: TestOptions.ReleaseDll, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 599var compilation = CreateCompilation(text, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6));

2093var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2165var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2237var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2286var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2335var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2366var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.ReleaseExe); 2424var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.ReleaseExe); 2470var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2501var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2541var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2579var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2608var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2650var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), options: TestOptions.DebugExe); 2666var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2692var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2720var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2743var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2814var compilation = CreateCompilation(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2873var compilation = CreateCompilation(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2914var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 2971var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 3000var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 3071var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 3140var compilation = CreateCompilation(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 3278var compilation = CreateCompilation(source + _iTupleSource, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 3366var compilation = CreateCompilation(source + _iTupleSource, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 4617var compilation = CreateCompilation(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 4783var compilation = CreateCompilation(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 4875var compilation = CreateCompilation(source, options: TestOptions.DebugDll, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 4969var compilation = CreateCompilation(source, options: TestOptions.DebugExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 5253var compilation = CreateCompilation(source, options: TestOptions.DebugExe.WithAllowUnsafe(true), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)); 5322var compilation = CreateCompilation(source, options: TestOptions.DebugExe.WithAllowUnsafe(true), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9));

95return project.Solution.WithProjectParseOptions(project.Id, parseOptions.WithLanguageVersion(parsedNewVersion)); 114project.CanApplyParseOptionChange(parseOptions, parseOptions.WithLanguageVersion(parsedNewVersion));

20private static readonly ParseOptions CSharp8 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8);

20private static readonly CSharpParseOptions CSharp14 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14);

358""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2))); 395""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7)));

2599var csharp14Options = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14);

20public override ParseOptions ParseOptions => CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview);

144CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview),

3443""", CodeActionIndex, new TestParameters(options: Option(CSharpCodeStyleOptions.PreferStaticLocalFunction, CodeStyleOption2.TrueWithSilentEnforcement), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3))); 3472""", CodeActionIndex, new TestParameters(options: Option(CSharpCodeStyleOptions.PreferStaticLocalFunction, CodeStyleOption2.TrueWithSilentEnforcement), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7))); 3501""", CodeActionIndex, new TestParameters(options: Option(CSharpCodeStyleOptions.PreferStaticLocalFunction, CodeStyleOption2.TrueWithSilentEnforcement), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp8))); 3530""", CodeActionIndex, new TestParameters(options: Option(CSharpCodeStyleOptions.PreferStaticLocalFunction, CodeStyleOption2.TrueWithSilentEnforcement), parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest))); 3965""", [FeaturesResources.Extract_method], new TestParameters(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6))); 3978""", [FeaturesResources.Extract_method], new TestParameters(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5))); 5151""", new(TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp9))); 5292""", new(TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp7), index: CodeActionIndex)); 5336""", new(TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp7), index: CodeActionIndex)); 5382""", new(TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp7), index: CodeActionIndex)); 5414""", new(TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp7), index: CodeActionIndex));

4995""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 5022""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

9345""" + TestResources.NetFX.ValueTuple.tuplelib_cs, new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12))); 9387""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12))); 9431""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)));

372""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 400""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 3817new TestParameters(parseOptions: TestOptions.Regular.WithLanguageVersion(version))); 4463""", new TestParameters(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp8))); 5000""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 5013""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 5024""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 5041new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 5113""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

41=> TestInRegularAndScriptAsync(initialMarkup, expectedMarkup, new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion), options: options));

3961new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8), 4929""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6))); 5116""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest))); 5141""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest))); 5168""", new(index: 1, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest))); 5408""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest))); 5436""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), index: 0)); 5463""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), index: 2));

19private static readonly ParseOptions CSharp6 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6); 20private static readonly ParseOptions CSharp8 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8); 21private static readonly ParseOptions CSharp9 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9);

22private static readonly ParseOptions CSharp72ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2); 23private static readonly ParseOptions CSharp8ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8);

29private static readonly ParseOptions CSharp72ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2); 30private static readonly ParseOptions CSharp8ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8);

1323""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1336""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

4739new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 6700""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), options: featureOptions)); 6769""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), options: featureOptions));

21code, CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview));

2480""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 2582""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 2596""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp12))); 2620""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 2634""", new(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp12)));

3489new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 3517new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 3545new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 3573new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6)));

8306new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 8336new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 8366new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 8396new(parseOptions: TestOptions.Regular.WithLanguageVersion(CodeAnalysis.CSharp.LanguageVersion.CSharp6))); 10578""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14))); 10615""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14)));

218""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

163""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)));

26private static readonly ParseOptions CSharp72ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2); 27private static readonly ParseOptions CSharp8ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8);

21CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_3); 71await TestMissingInRegularAndScriptAsync(text, new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12)));

96initialMarkup, expectedMarkup, new(options: options, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10)));

8286parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)); 8307parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9));

79parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

47new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(version))); 57new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(version)));

25private readonly ParseOptions CSharp12 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp12); 473new(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5))); 491""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5))); 533""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)));

17private static readonly ParseOptions CSharp13 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp13); 18private static readonly ParseOptions CSharp14 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14);

22private static readonly ParseOptions CSharp8 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8); 23private static readonly ParseOptions CSharp9 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9); 154""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 939""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 1001""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 1034""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion))); 1067""", parameters: new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(languageVersion)));

3165""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9), options: ImplicitTypeEverywhere()));

30CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Latest); 82""", count: 0, parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 96""", count: 0, parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7)));

90new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 108new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 164""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 192""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 220""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 248""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 264""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

26private static readonly ParseOptions CSharp7 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7); 27private static readonly ParseOptions CSharp8 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8); 28private static readonly ParseOptions CSharp9 = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9); 94new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 112new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9))); 268""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

29private static readonly ParseOptions CSharp72ParseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2); 52""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 3922new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10))); 3936new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

79""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(version))); 95""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 1083""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1120""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1366""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1395""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1446""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1476""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1533""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 1571""", parameters: new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8)));

71""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8))); 126""", new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)));

74""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

139""", new TestParameters(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6))); 570""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 604""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9))); 639""", new(TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9)));

338new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6), options: UseExpressionBodyForAccessors_ExpressionBodyForProperties));

27private static readonly ParseOptions CSharp9 = TestOptions.RegularPreview.WithLanguageVersion(LanguageVersion.CSharp9);

61""", parameters: new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)));

2276var compilation = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()));

20return options.WithParseOptions(parseOptions.WithLanguageVersion(languageVersion));

327var tree = Parse(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5));

985CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics( 993CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics(); 1017CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics( 1022CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics(); 3517CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 3534var comp = CreateCompilationWithMscorlib461(source, options: TestOptions.ReleaseExe, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7));

74TestConditional("true ? T : U", null, parseOptions: TestOptions.Regular8.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), 79TestConditional("false ? T : 1", null, parseOptions: TestOptions.Regular8.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), 197TestConditional("1 ? null : null", null, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), 1247TestConditionalCore(conditionalExpression, expectedType, TestOptions.Regular8.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), expectedDiagnostics);

3280CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics(

6559CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6598CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6643CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6688CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6733CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6778CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6817CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6856CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion),

3107CreateCompilationWithMscorlib40AndSystemCore(new[] { Parse(source, options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)) }).VerifyDiagnostics( 3224CreateCompilationWithMscorlib40AndSystemCore(new[] { Parse(source, options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)) }).VerifyDiagnostics( 3774CreateCompilationWithMscorlib40AndSystemCore(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp4)).VerifyDiagnostics(); 3775CreateCompilationWithMscorlib40AndSystemCore(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3)).VerifyDiagnostics(

152CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3)).VerifyDiagnostics(); 153CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp2)).VerifyDiagnostics(

15133var comp = CreateCompilation(new[] { code, InterpolatedStringHandlerAttribute, InterpolatedStringHandlerArgumentAttribute }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.Net50); 15277var comp = CreateCompilation(new[] { code, InterpolatedStringHandlerAttribute }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.Net50); 15354var comp = CreateCompilation(new[] { code, InterpolatedStringHandlerAttribute }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.Net50); 18538CreateCompilation(text, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics( 18557CreateCompilation(text, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics(

7153var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 8262CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(

4014CreateCompilation(source, options: option, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics(

521", parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)); 595parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)); 619parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 638parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics( 660parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics(

1243var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 1285var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll); 81342parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp8)); 81413var comp = CreateCompilationWithMscorlib40AndSystemCore(new[] { source }, parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp8)); 155447var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA));

1300CreateCompilation(text, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics( 1319CreateCompilation(text, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics(

8051var comp = CreateCompilationWithMscorlibAndSpan(new[] { text, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion));

140}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 189}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 235var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 285CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 566CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 612CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 670CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 711CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(); 759CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 835var comp = CreateCompilationWithMscorlibAndSpan(text, options: TestOptions.UnsafeDebugDll, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1005var comp = CreateCompilationWithMscorlibAndSpan(text, options: TestOptions.UnsafeDebugDll, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1124var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1188var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1241var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1292var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1360var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1450var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1491var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1525var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1587var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1650var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1863var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1927var comp = CreateCompilationWithMscorlibAndSpan(new[] { text, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1992CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 2038CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 2087CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(); 2398CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 2795""", options: TestOptions.Regular.WithLanguageVersion(languageVersion)); 2916""", options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 2946""", TestOptions.Regular.WithLanguageVersion(languageVersion)); 3039""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 3194""", TestOptions.Regular.WithLanguageVersion(languageVersion)); 3276""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 3363""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp13)); 3446""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 3511CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 3579CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 3654CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 3737CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 3782""", TestOptions.Regular.WithLanguageVersion(languageVersion)); 3827""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 3992""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 4182""", TestOptions.Regular.WithLanguageVersion(languageVersion)); 4339CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 4377CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(); 5132CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5209var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 5302var comp = CreateCompilationWithMscorlibAndSpan(text, options: TestOptions.UnsafeDebugDll, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 5371CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5425var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 5483CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5541CreateCompilationWithMscorlibAndSpan(new[] { text, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5556CreateCompilationWithMscorlibAndSpan(new[] { text, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5603CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5633var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5657var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5681var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5731var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5781var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5833var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5860var comp = CreateCompilationWithMscorlibAndSpan(csharp, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll); 5927CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 5966var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 6016CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6060CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6090CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6118CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeDebugDll).VerifyDiagnostics( 6148var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 6202var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.NetCoreApp); 6237var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.NetCoreApp); 6281CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 6336var compilation = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 6421var compilation = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 6536var compilation = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 6592CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(); 6623var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 7115CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7153var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 7190var comp = CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 7227CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7257CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(); 7300CreateCompilationWithMscorlibAndSpan(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics(); 7326}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeReleaseDll).VerifyDiagnostics( 7352}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeReleaseDll).VerifyDiagnostics( 7439""", options: TestOptions.Regular.WithLanguageVersion(languageVersion)); 7484}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll); 7581}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics( 7608}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics( 7637}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics( 7665", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7686}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7716}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7743}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7772CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7799}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)).VerifyDiagnostics( 7825}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics(); 7843}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics(); 7861}", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics( 7923", parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseDll).VerifyDiagnostics(); 11004""", TestOptions.Regular.WithLanguageVersion(languageVersion)); 11091""", TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11));

2292CreateCompilationWithMscorlib40AndSystemCore(code, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 2327parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1), 2335parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1), 2372CreateCompilationWithMscorlib40AndSystemCore(code, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 2431parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1), 2439parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1),

2351var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.Net70); 4996var comp = CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 5023var comp = CreateCompilationWithMscorlib461(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 5134var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9205var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9228var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9251var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9283var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9327var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9373var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9407var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9428var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9477var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9531var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9583var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9631var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9683var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9722var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9808var comp = CreateCompilation(new[] { source, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 9856var comp = CreateCompilation(new[] { source, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 10196var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 10237comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 10381parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 10425parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 10479parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), 10532var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 10681var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 10695comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 10712var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 10726comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 10746var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 10763comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 10805var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 10822comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 10861var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA), options: TestOptions.UnsafeReleaseDll); 10874comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB), options: TestOptions.UnsafeReleaseDll); 10903var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 10916comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 11613var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 11711var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 11736var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 11778var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 11806var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp10)); 11852var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp11)); 11972var comp = CreateCompilation(new[] { source, IsExternalInitTypeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 13396var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 13420var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 13444var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 13466var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 14742var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 15032var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 15139var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)); 16978var comp = CreateCompilationWithSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 20076var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 20135var comp = CreateCompilationWithSpanAndMemoryExtensions(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: TargetFramework.Net50); 20296var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 20318var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 25270var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 25307var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 25313comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25343var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 25391var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA), options: TestOptions.UnsafeReleaseDll); 25397comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25433var comp = CreateCompilation(new[] { source, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 25500var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 25513comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25551var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 25572comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25657comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25678var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 25699comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25833comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 25886var comp = CreateCompilation(sourceA, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionA)); 26028comp = CreateCompilation(sourceB, references: new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 26074comp = CreateCompilation(sourceB, new[] { refA }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersionB)); 27149var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), targetFramework: targetFramework); 27216comp = CreateEmptyCompilation(source1, references: new[] { ref0 }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 27225comp = CreateEmptyCompilation(source2, references: new[] { ref0, ref1 }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 27277comp = CreateEmptyCompilation(source1, references: new[] { refLowerVersion }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 27292comp = CreateEmptyCompilation(source2, references: new[] { refHigherVersion, ref1 }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 30380var comp = CreateCompilationWithSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 30436var comp = CreateCompilationWithSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.UnsafeReleaseDll); 30706var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion));

266}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2)); 284}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2)); 552}", CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_2)); 585var comp = CreateCompilationWithMscorlibAndSpan(new[] { source, UnscopedRefAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 4965var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.RegularDefault.WithLanguageVersion(langVersion)); 5018var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.RegularDefault.WithLanguageVersion(langVersion));

485var tree = SyntaxFactory.ParseSyntaxTree(test, options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp6));

13108var comp = CreateCompilationWithMscorlib40AndSystemCore(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 13143var comp = CreateCompilationWithMscorlib40AndSystemCore(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 13182var comp = CreateCompilationWithMscorlib40AndSystemCore(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 13231var comp = CreateCompilationWithMscorlib40AndSystemCore(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 13286var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 24186CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics( 24609parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)).VerifyDiagnostics(

2202var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 2238var comp = CreateCompilationWithMscorlibAndSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion), options: TestOptions.ReleaseExe); 2372}", parseOptions: TestOptions.RegularDefault.WithLanguageVersion(languageVersion));

1461var parseOptions = new CSharpParseOptions().WithLanguageVersion(LanguageVersion.CSharp7);

363var parseOptions = new CSharpParseOptions().WithLanguageVersion(LanguageVersion.CSharp7); 382var parseOptions = new CSharpParseOptions().WithLanguageVersion(LanguageVersion.CSharp7);

850TestOptions.Regular.WithLanguageVersion(languageVersion.Value); 3770var comp = CreateCompilationWithSpan(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 4171var verifier = CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 4739var verifier = CompileAndVerify(new[] { source }, options: WithNullableEnable(), parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 4771var verifier = CompileAndVerify(new[] { source }, options: WithNullableEnable(), parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion));

2821CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp2)).VerifyDiagnostics(); 2822CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp1)).VerifyDiagnostics(

184parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)) 209parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)) 231parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)) 267parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion)) 330parseOptions = parseOptions.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()); 415comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), options: TestOptions.DebugExe) 434CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), options: TestOptions.DebugDll.WithAllowUnsafe(true)) 453CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), options: TestOptions.DebugDll) 490CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3), expectedOutput: expectedOutput); 491CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), expectedOutput: expectedOutput); 525CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3)).VerifyDiagnostics(expectedDiagnostics); 526CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion())).VerifyDiagnostics(expectedDiagnostics); 556CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3), expectedOutput: expectedOutput); 557CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), expectedOutput: expectedOutput); 587CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3), expectedOutput: expectedOutput); 588CompileAndVerify(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion()), expectedOutput: expectedOutput); 613CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3)).VerifyDiagnostics(); 614CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion())).VerifyDiagnostics(); 639CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_3)).VerifyDiagnostics( 647CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(MessageID.IDS_FeatureTargetTypedConditional.RequiredVersion())).VerifyDiagnostics(

482var parseOptions = TestOptions.Regular.WithLanguageVersion(LanguageVersion.Preview); 3712parseOptions = parseOptions.WithLanguageVersion(LanguageVersion.CSharp2); 3728parseOptions = parseOptions.WithLanguageVersion(LanguageVersion.CSharp8); 4624var newParseOptions = parseOptions.WithLanguageVersion(LanguageVersion.CSharp9);

1345var options = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10);

1849var parseOptions = TestOptions.Regular.WithLanguageVersion(LanguageVersion.Preview); 1890var parseOptions = TestOptions.Regular.WithLanguageVersion(LanguageVersion.Preview); 1931var parseOptions = TestOptions.Regular.WithLanguageVersion(LanguageVersion.Preview);

681syntaxTrees: new SyntaxTree[] { SyntaxFactory.ParseSyntaxTree("public class C {}", options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)) }, 691options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)) }, 702options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)) }, 715options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)) }, 2068class C { }", options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10)); 2076class C { }", options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10)); 2080class C { }", options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10)); 2378var tree1 = SyntaxFactory.ParseSyntaxTree("", CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)); 2379var tree2 = SyntaxFactory.ParseSyntaxTree("", CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)); 2380var tree3 = SyntaxFactory.ParseSyntaxTree("", CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5));

191var parseOptions = ((CSharpParseOptions)tree.Options).WithLanguageVersion(treeLanguageVersion > LanguageVersion.CSharp10 ? treeLanguageVersion : LanguageVersion.CSharp10);

4417var tree1 = Parse(source1, options: TestOptions.Regular.WithDocumentationMode(DocumentationMode.Diagnose).WithLanguageVersion(LanguageVersion.Latest)); 4418var tree2 = Parse(source2, options: TestOptions.Regular.WithDocumentationMode(DocumentationMode.None).WithLanguageVersion(LanguageVersion.Latest)); 6957var comp = CreateCompilation(source, parseOptions: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp10), targetFramework: TargetFramework.NetCoreApp); 7002var comp = CreateCompilation(source, parseOptions: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp10), targetFramework: TargetFramework.NetCoreApp);

8330TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9), 8351TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp9),

3363parseOptions: TestOptions.Regular.WithLanguageVersion(langVer), 3454parseOptions: TestOptions.Regular.WithLanguageVersion(langVer), 3522parseOptions: TestOptions.Regular.WithLanguageVersion(langVer), 3609parseOptions: TestOptions.Regular.WithLanguageVersion(langVer),

2084parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), 2219parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion),

2423var tree = SyntaxFactory.ParseSyntaxTree(test, options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp6));

2643parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion), 2775parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion),

6971""", new[] { reference }, parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.Preview)); 6990""", new[] { reference }, parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.Preview));

2795parseOptions: TestOptions.Regular.WithLanguageVersion(langVersion),

341CreateCompilationWithMscorlib46(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics(

4089var comp = CreateSubmission(source1, parseOptions: TestOptions.Script.WithLanguageVersion(LanguageVersion.Preview));

273CreateCompilation(code, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics( 307CreateCompilation(code, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_1)).VerifyDiagnostics(

2855CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp3)).VerifyDiagnostics(); 2856CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp2)).VerifyDiagnostics(

731var compilation = CreateCompilation(text, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview));

1169CreateCompilationWithMscorlib46(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics( 2114var tree = Parse(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 2541var comp = CreateCompilation(Parse(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5))); 11008var comp = CreateCompilation(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)); 18009Parse(source, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)));

61ParseAndValidate(text, validator, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp5)); 62ParseAndValidate(text, validator, TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp5));

21return SyntaxFactory.ParseSyntaxTree(text, options: (options ?? TestOptions.Regular).WithLanguageVersion(LanguageVersion.CSharp5)); 26return SyntaxFactory.ParseExpression(text, options: (options ?? TestOptions.Regular).WithLanguageVersion(LanguageVersion.CSharp5));

22return SyntaxFactory.ParseSyntaxTree(text, options: (options ?? TestOptions.Regular).WithLanguageVersion(LanguageVersion.CSharp8)); 27return SyntaxFactory.ParseExpression(text, options: (options ?? TestOptions.Regular).WithLanguageVersion(LanguageVersion.CSharp8));

22UsingExpression("[A, B]", TestOptions.Regular.WithLanguageVersion(languageVersion));

2468UsingNode("A(readonly ref B)", TestOptions.Regular.WithLanguageVersion(languageVersion).WithDocumentationMode(DocumentationMode.Diagnose), 2495UsingNode("A(readonly B)", TestOptions.Regular.WithLanguageVersion(languageVersion).WithDocumentationMode(DocumentationMode.Diagnose), 2522UsingNode("A(in readonly B)", TestOptions.Regular.WithLanguageVersion(languageVersion).WithDocumentationMode(DocumentationMode.Diagnose), 2557UsingNode("A(out readonly B)", TestOptions.Regular.WithLanguageVersion(languageVersion).WithDocumentationMode(DocumentationMode.Diagnose), 2592UsingNode("A(ref readonly readonly B)", TestOptions.Regular.WithLanguageVersion(languageVersion).WithDocumentationMode(DocumentationMode.Diagnose), 2631UsingNode("A(readonly ref B)", TestOptions.Regular.WithLanguageVersion(languageVersion).WithDocumentationMode(DocumentationMode.Diagnose),

45TestProperty((old, value) => old.WithLanguageVersion(value), opt => opt.LanguageVersion, LanguageVersion.CSharp3); 229var options = new CSharpParseOptions().WithLanguageVersion(unchecked((LanguageVersion)10000));

585var file = this.ParseFile(text, CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview)); 651var file = this.ParseFile(text, CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview)); 696var file = this.ParseFile(text, CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview));

24UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 71UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 142UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion), 314UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 431UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 598UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion), 683UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 746UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion), 800UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 840UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(langVersion), 895UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 937UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1003UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion), 1037UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion), 1067UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion), 1097UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1210UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1278UsingExpression(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1421UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 1555UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1626UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1742UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 1868UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 1933UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 1983UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2028UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 2103UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2160UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2184UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2210UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2316UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2422UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2514UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2562UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 2632UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2697UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 2740UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 2785UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 2860UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 3036UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 3183UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 3271var parseOptions = TestOptions.Regular.WithLanguageVersion(langVersion); 3500UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 3567UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 3638UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 3714UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 3790UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 3862UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 3949UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 4029UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4100UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 4169UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4244UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 4317UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4393UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 4467UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4538UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4613UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4689UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4764UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4835UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4906UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 4981UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5057UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5124UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5195UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 5268UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 5341UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 5425UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 5494UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 5564UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5643UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5714UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5793UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 5914UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 5966UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6022UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6100UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6168UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6225UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6315UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6398UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6454UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6525UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6585UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6657UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6718UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 6809UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6865UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6925UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 6986UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7046UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7102UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7158UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7218UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7279UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7331UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 7387UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7465UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7533UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7605UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7675UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7746UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7818UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7885UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 7953UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8009UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8062UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8101UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8169UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8203UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8266UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8333UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8370UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8407UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8448UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8496UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8541UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8583UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8632UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8680UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8721UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8771UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8816UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8873UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 8919UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 8990UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9031UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9076UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9122UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9167UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9208UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9257UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9298UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9344UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9390UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9427UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9468UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 9509UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 9551UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9599UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 9673UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9707UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9745UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 9808UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 9847UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 9924UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 9994UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10032UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10088UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10130UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10193UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10236UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10306UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10344UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10386UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10429UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10471UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10509UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10547UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10589UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10632UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10666UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 10704UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10758UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10816UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10886UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 10974UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11028UsingStatement(source, TestOptions.Regular.WithLanguageVersion(langVersion), 11129UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 11370UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11402UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 11490UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11527UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 11622UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11697UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11752UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11811UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 11851UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 11908UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 11997UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12038UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12094UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12138UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12184UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12226UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12272UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12331UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12398UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12445UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12515UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12578UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12624UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12676UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12726UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12782UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12833UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 12890UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12936UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 12986UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13037UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13087UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13133UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13187UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13233UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13283UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13334UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13376UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13422UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 13481UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 13551UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 13603UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 13673UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 13747UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 13857UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 13974UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14033UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14097UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14165UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14239UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion)); 14287UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14373UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14429UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion), 14497UsingTree(source, TestOptions.Regular.WithLanguageVersion(langVersion),

211}}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_3)).VerifyDiagnostics( 241}}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8)).VerifyDiagnostics(); 267}}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7_3)).VerifyDiagnostics( 316}}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8)).VerifyDiagnostics(); 731var expr = this.ParseExpression(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 764var expr = this.ParseExpression(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)); 4761var expr = this.ParseExpression(text, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1));

63TestOptions.Regular.WithLanguageVersion(languageVersion)); 123TestOptions.Regular.WithLanguageVersion(languageVersion)); 165TestOptions.Regular.WithLanguageVersion(languageVersion)); 216TestOptions.Regular.WithLanguageVersion(languageVersion)); 273TestOptions.Regular.WithLanguageVersion(languageVersion)); 335TestOptions.Regular.WithLanguageVersion(languageVersion)); 392TestOptions.Regular.WithLanguageVersion(languageVersion)); 458TestOptions.Regular.WithLanguageVersion(languageVersion)); 530TestOptions.Regular.WithLanguageVersion(languageVersion)); 609TestOptions.Regular.WithLanguageVersion(languageVersion)); 677TestOptions.Regular.WithLanguageVersion(languageVersion)); 757TestOptions.Regular.WithLanguageVersion(languageVersion)); 853TestOptions.Regular.WithLanguageVersion(languageVersion)); 903TestOptions.Regular.WithLanguageVersion(languageVersion)); 960TestOptions.Regular.WithLanguageVersion(languageVersion)); 1006TestOptions.Regular.WithLanguageVersion(languageVersion)); 1052TestOptions.Regular.WithLanguageVersion(languageVersion)); 1098TestOptions.Regular.WithLanguageVersion(languageVersion)); 1148TestOptions.Regular.WithLanguageVersion(languageVersion)); 1202TestOptions.Regular.WithLanguageVersion(languageVersion)); 1249TestOptions.Regular.WithLanguageVersion(languageVersion)); 1318TestOptions.Regular.WithLanguageVersion(languageVersion)); 1369TestOptions.Regular.WithLanguageVersion(languageVersion)); 1423TestOptions.Regular.WithLanguageVersion(languageVersion)); 1484TestOptions.Regular.WithLanguageVersion(languageVersion)); 1562TestOptions.Regular.WithLanguageVersion(languageVersion)); 1626TestOptions.Regular.WithLanguageVersion(languageVersion)); 1702TestOptions.Regular.WithLanguageVersion(languageVersion)); 1753TestOptions.Regular.WithLanguageVersion(languageVersion)); 1843TestOptions.Regular.WithLanguageVersion(languageVersion)); 1920TestOptions.Regular.WithLanguageVersion(languageVersion)); 1971TestOptions.Regular.WithLanguageVersion(languageVersion)); 2030TestOptions.Regular.WithLanguageVersion(languageVersion)); 2089TestOptions.Regular.WithLanguageVersion(languageVersion)); 2153TestOptions.Regular.WithLanguageVersion(languageVersion)); 2226TestOptions.Regular.WithLanguageVersion(languageVersion)); 2279TestOptions.Regular.WithLanguageVersion(languageVersion)); 2334TestOptions.Regular.WithLanguageVersion(languageVersion));

1526options: TestOptions.Regular.WithLanguageVersion(languageVersion)); 3145options: TestOptions.Regular.WithLanguageVersion(languageVersion), 3189options: TestOptions.Regular.WithLanguageVersion(languageVersion), 3230options: TestOptions.Regular.WithLanguageVersion(languageVersion),

5148UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 5178UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 5206UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion),

1287var file = ParseFile(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6));

29public static readonly IEnumerable<object[]> Regular10AndScriptAndRequiredMembersMinimum = new[] { new[] { TestOptions.Regular10 }, new[] { RequiredMembersOptions }, new[] { TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10) } }; 30public static readonly IEnumerable<object[]> Regular10AndScript = new[] { new[] { TestOptions.Regular10 }, new[] { TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10) } }; 2323UsingDeclaration(text, options: options.WithLanguageVersion(version)); 2465UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 2589UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 2695UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 2801UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 2853UsingDeclaration("public int N::I::operator +(int x, int y) => x + y;", options: options.WithLanguageVersion(LanguageVersion.Preview), 2933UsingDeclaration("public int I::operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 2988UsingDeclaration("public int I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 3039UsingDeclaration("public int I<T>.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 3099UsingDeclaration("public int N1::N2::I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 3204UsingTree(text, options: options.WithLanguageVersion(version)); 3349UsingTree(text, options: options.WithLanguageVersion(version), errors); 3477UsingTree(text, options: options.WithLanguageVersion(version), errors); 3587UsingTree(text, options: options.WithLanguageVersion(version), errors); 3697UsingTree(text, options: options.WithLanguageVersion(version), errors); 3753UsingTree("public int N::I::operator +(int x, int y) => x + y;", options: options.WithLanguageVersion(LanguageVersion.Preview), 3837UsingTree("public int I::operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 3896UsingTree("public int I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 3951UsingTree("public int I<T>.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 4015UsingTree("public int N1::N2::I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 4090UsingDeclaration("public int I..operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 4152UsingDeclaration("public int I . . operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 4243UsingDeclaration(text, options: options.WithLanguageVersion(version)); 4377UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 4494UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 4593UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 4692UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 4743UsingDeclaration("int N::I::operator +(int x, int y) => x + y;", options: options.WithLanguageVersion(LanguageVersion.Preview), 4822UsingDeclaration("int I::operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 4876UsingDeclaration("int I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 4926UsingDeclaration("int I<T>.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 4985UsingDeclaration("int N1::N2::I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 5083UsingTree(text, options: options.WithLanguageVersion(version)); 5221UsingTree(text, options: options.WithLanguageVersion(version), errors); 5342UsingTree(text, options: options.WithLanguageVersion(version), errors); 5445UsingTree(text, options: options.WithLanguageVersion(version), errors); 5548UsingTree(text, options: options.WithLanguageVersion(version), errors); 5603UsingTree("int N::I::operator +(int x, int y) => x + y;", options: options.WithLanguageVersion(LanguageVersion.Preview), 5686UsingTree("int I::operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 5744UsingTree("int I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 5798UsingTree("int I<T>.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 5861UsingTree("int N1::N2::I.operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 5935UsingDeclaration("int I..operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 5996UsingDeclaration("int I . . operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 6058UsingDeclaration("int N.I..operator +(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 6135UsingDeclaration("N.I.operator +(int x) => x;", options: options.WithLanguageVersion(version), errors); 6205UsingDeclaration("N.I. int(int x) => x;", options: options.WithLanguageVersion(version), errors); 6268UsingDeclaration(text, options: options.WithLanguageVersion(version)); 6368UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 6435UsingDeclaration("operator int(int x) => x;", options: options.WithLanguageVersion(version), errors); 6519UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 6619UsingDeclaration(text, options: options.WithLanguageVersion(version), errors); 6670UsingDeclaration("implicit N::I::operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 6732UsingDeclaration("explicit I::operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 6786UsingDeclaration("implicit I.operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 6836UsingDeclaration("explicit I<T>.operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 6895UsingDeclaration("implicit N1::N2::I.operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 6993UsingTree(text, options: options.WithLanguageVersion(version)); 7106UsingTree(text, options: options.WithLanguageVersion(version), errors); 7210UsingTree(text, options: options.WithLanguageVersion(version), errors); 7314UsingTree(text, options: options.WithLanguageVersion(version), errors); 7418UsingTree(text, options: options.WithLanguageVersion(version), errors); 7473UsingTree("implicit N::I::operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 7539UsingTree("explicit I::operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 7597UsingTree("implicit I.operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 7651UsingTree("explicit I<T>.operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview)); 7714UsingTree("implicit N1::N2::I.operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 7788UsingDeclaration("explicit I..operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 7849UsingDeclaration("implicit I . . operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 7911UsingDeclaration("explicit I T(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 7968UsingDeclaration("explicit I.T(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 8022UsingDeclaration("explicit I.operator (int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 8076UsingDeclaration("explicit I.operator (int x) { return x; }", options: options.WithLanguageVersion(LanguageVersion.Preview), 8135UsingDeclaration("explicit I.operator (int x);", options: options.WithLanguageVersion(LanguageVersion.Preview), 8181UsingDeclaration("explicit I.T1 T2(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview), 8246UsingDeclaration("explicit I.operator (int x)", options: options.WithLanguageVersion(LanguageVersion.Preview), 8295UsingDeclaration("explicit I.operator (int x, );", options: options.WithLanguageVersion(LanguageVersion.Preview), 8356UsingDeclaration("explicit I.operator (int x, int y);", options: options.WithLanguageVersion(LanguageVersion.Preview), 8415UsingDeclaration("explicit I.operator var(x);", options: options.WithLanguageVersion(LanguageVersion.Preview), 8461UsingDeclaration("explicit I.operator (int x int y);", options: options.WithLanguageVersion(LanguageVersion.Preview), 8519UsingDeclaration("explicit N.I..operator int(int x) => x;", options: options.WithLanguageVersion(LanguageVersion.Preview),

2739ParseAndValidate(text, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6), 2768CreateCompilationWithMscorlib46(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics( 2791CreateCompilationWithMscorlib46(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7)).VerifyDiagnostics( 2902ParseAndValidate(test, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6), 4626ParseAndValidate(test, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6), 5439var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5442tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp1)); 5461var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5464tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)); 5526var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5529tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)); 5545var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5548tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)); 5588var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5591tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)); 5623var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5626tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)); 5657var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5660tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)); 5694var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)); 5697tree = Parse(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5927CreateCompilation(test, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)).VerifyDiagnostics( 5946var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5964var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5977var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 5985tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp3)); 6006var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 6013tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp3)); 6036var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 6049tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp4)); 6078var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 6091tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp4)); 6148SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp4)).GetDiagnostics().Verify(); 6149SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp3)).GetDiagnostics().Verify(); 6160SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6161SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify(); 6184SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6185SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify(); 6215SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp4)).GetDiagnostics().Verify(); 6216SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp3)).GetDiagnostics().Verify(); 6243SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp3)).GetDiagnostics().Verify(); 6244SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6271SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp3)).GetDiagnostics().Verify(); 6272SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6285SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6286SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify( 6304SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6305SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify( 6328SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6329SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify( 6348SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6349SyntaxFactory.ParseSyntaxTree(text, options: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify(); 6365var tree = SyntaxFactory.ParseSyntaxTree(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)); 6380SyntaxFactory.ParseSyntaxTree(source, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp2)).GetDiagnostics().Verify(); 6381SyntaxFactory.ParseSyntaxTree(source, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp1)).GetDiagnostics().Verify(); 6475SyntaxFactory.ParseSyntaxTree(source, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp6)).GetDiagnostics().Verify(); 6477SyntaxFactory.ParseSyntaxTree(source, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp5)).GetDiagnostics().Verify();

6228var file = this.ParseTree(text, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)); 6339var file = this.ParseTree(text, options: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6));

29TestOptions.Regular.WithLanguageVersion(langVersion)); 102TestOptions.Regular.WithLanguageVersion(langVersion)); 130TestOptions.Regular.WithLanguageVersion(langVersion)); 163TestOptions.Regular.WithLanguageVersion(langVersion)); 199TestOptions.Regular.WithLanguageVersion(langVersion)); 240TestOptions.Regular.WithLanguageVersion(langVersion)); 289TestOptions.Regular.WithLanguageVersion(langVersion), 325TestOptions.Regular.WithLanguageVersion(langVersion), 355TestOptions.Regular.WithLanguageVersion(langVersion)); 384TestOptions.Regular.WithLanguageVersion(langVersion)); 413TestOptions.Regular.WithLanguageVersion(langVersion), 445TestOptions.Regular.WithLanguageVersion(langVersion), 480TestOptions.Regular.WithLanguageVersion(langVersion)); 524TestOptions.Regular.WithLanguageVersion(langVersion), 563TestOptions.Regular.WithLanguageVersion(langVersion), 602TestOptions.Regular.WithLanguageVersion(langVersion)); 638TestOptions.Regular.WithLanguageVersion(langVersion), 692TestOptions.Regular.WithLanguageVersion(langVersion), 759TestOptions.Regular.WithLanguageVersion(langVersion)); 808TestOptions.Regular.WithLanguageVersion(langVersion)); 863TestOptions.Regular.WithLanguageVersion(langVersion)); 897TestOptions.Regular.WithLanguageVersion(langVersion)); 923TestOptions.Regular.WithLanguageVersion(langVersion)); 944TestOptions.Regular.WithLanguageVersion(langVersion)); 966TestOptions.Regular.WithLanguageVersion(langVersion)); 991TestOptions.Regular.WithLanguageVersion(langVersion)); 1014TestOptions.Regular.WithLanguageVersion(langVersion)); 1037TestOptions.Regular.WithLanguageVersion(langVersion)); 1063TestOptions.Regular.WithLanguageVersion(langVersion)); 1088TestOptions.Regular.WithLanguageVersion(langVersion), 1116TestOptions.Regular.WithLanguageVersion(langVersion), 1179TestOptions.Regular.WithLanguageVersion(langVersion), 1312TestOptions.Regular.WithLanguageVersion(langVersion), 1402TestOptions.Regular.WithLanguageVersion(langVersion));

22UsingStatement(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp8), expectedErrors); 50CreateCompilation(test, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)).VerifyDiagnostics( 6580UsingStatement(text, options: CSharpParseOptions.Default.WithLanguageVersion(langVersion));

19UsingExpression(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), expectedErrors);

18UsingExpression(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), expectedErrors);

40var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll); 77var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7), options: TestOptions.DebugDll); 105var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll); 149var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll.WithAllowUnsafe(true)); 182var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll); 216var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll);

24UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 61UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 99UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 135UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 172UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 230UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 292UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 352UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 405UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 467UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 550UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 653UsingDeclaration(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 699UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 739UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 783UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 848UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 880UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion)); 931UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 985UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 1016UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 1055UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 1094UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion), 1141UsingExpression(source, TestOptions.Regular.WithLanguageVersion(languageVersion),

45var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), options: TestOptions.UnsafeDebugDll); 90var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7_1), options: TestOptions.UnsafeDebugDll); 1319UsingExpression("M(ref x, in y, ref readonly z)", TestOptions.Regular.WithLanguageVersion(languageVersion), 1383UsingExpression("M(readonly ref x)", TestOptions.Regular.WithLanguageVersion(languageVersion), 1415UsingExpression("M(readonly x)", TestOptions.Regular.WithLanguageVersion(languageVersion),

38var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll); 54var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp7), options: TestOptions.DebugDll); 81var comp = CreateCompilationWithMscorlib461(text, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.Latest), options: TestOptions.DebugDll);

23ParseAndRoundTripping(text, TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.Preview), errorCount, memberCount);

735var tree = UsingTree(text, TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6),

1621var tree = UsingTree(test, TestOptions.RegularPreview.WithLanguageVersion(version));

43var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 89var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 112var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 137var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 175var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 203var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 221var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 239var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 258var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 286var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 313var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 330var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 360var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 390var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 420var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 450var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 480var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 507var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 534var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 561var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 577var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 603var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 643var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 671var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 699var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 726var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 753var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 791var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 817var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 851var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 900var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 947var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 988var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1024var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1060var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1099var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1137var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1172var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1206var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1243var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1275var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1302var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1348var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1397var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1465var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1508comp = CreateCompilation(sourceB1, references: [refA], parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1528comp = CreateCompilation(sourceB2, references: [refA], parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1538comp = CreateCompilation(sourceB3, references: [refA], parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1548comp = CreateCompilation(sourceB4, references: [refA], parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1559comp = CreateCompilation(sourceB5, references: [refA], parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion)); 1596var parseOptions = TestOptions.Regular.WithLanguageVersion(languageVersion);

685var parseOptions = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Latest);

21public static readonly CSharpParseOptions Regular1 = Regular.WithLanguageVersion(LanguageVersion.CSharp1); 22public static readonly CSharpParseOptions Regular2 = Regular.WithLanguageVersion(LanguageVersion.CSharp2); 23public static readonly CSharpParseOptions Regular3 = Regular.WithLanguageVersion(LanguageVersion.CSharp3); 24public static readonly CSharpParseOptions Regular4 = Regular.WithLanguageVersion(LanguageVersion.CSharp4); 25public static readonly CSharpParseOptions Regular5 = Regular.WithLanguageVersion(LanguageVersion.CSharp5); 26public static readonly CSharpParseOptions Regular6 = Regular.WithLanguageVersion(LanguageVersion.CSharp6); 27public static readonly CSharpParseOptions Regular7 = Regular.WithLanguageVersion(LanguageVersion.CSharp7); 28public static readonly CSharpParseOptions Regular7_1 = Regular.WithLanguageVersion(LanguageVersion.CSharp7_1); 29public static readonly CSharpParseOptions Regular7_2 = Regular.WithLanguageVersion(LanguageVersion.CSharp7_2); 30public static readonly CSharpParseOptions Regular7_3 = Regular.WithLanguageVersion(LanguageVersion.CSharp7_3); 31public static readonly CSharpParseOptions RegularDefault = Regular.WithLanguageVersion(LanguageVersion.Default); 37public static readonly CSharpParseOptions RegularNext = Regular.WithLanguageVersion(LanguageVersion.Preview); 39public static readonly CSharpParseOptions RegularPreview = Regular.WithLanguageVersion(LanguageVersion.Preview); 40public static readonly CSharpParseOptions Regular8 = Regular.WithLanguageVersion(LanguageVersion.CSharp8); 41public static readonly CSharpParseOptions Regular9 = Regular.WithLanguageVersion(LanguageVersion.CSharp9); 42public static readonly CSharpParseOptions Regular10 = Regular.WithLanguageVersion(LanguageVersion.CSharp10); 43public static readonly CSharpParseOptions Regular11 = Regular.WithLanguageVersion(LanguageVersion.CSharp11); 44public static readonly CSharpParseOptions Regular12 = Regular.WithLanguageVersion(LanguageVersion.CSharp12); 45public static readonly CSharpParseOptions Regular13 = Regular.WithLanguageVersion(LanguageVersion.CSharp13); 46public static readonly CSharpParseOptions Regular14 = Regular.WithLanguageVersion(LanguageVersion.CSharp14); 50public static readonly CSharpParseOptions WithoutImprovedOverloadCandidates = Regular.WithLanguageVersion(MessageID.IDS_FeatureImprovedOverloadCandidates.RequiredVersion() - 1); 51public static readonly CSharpParseOptions WithCovariantReturns = Regular.WithLanguageVersion(MessageID.IDS_FeatureCovariantReturnsForOverrides.RequiredVersion()); 52public static readonly CSharpParseOptions WithoutCovariantReturns = Regular.WithLanguageVersion(LanguageVersion.CSharp8); 55public static readonly CSharpParseOptions RegularWithFileScopedNamespaces = Regular.WithLanguageVersion(MessageID.IDS_FeatureFileScopedNamespace.RequiredVersion());

21private static readonly CSharpParseOptions _parseOptionWithLatestLanguageVersion = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview);

4232.AddSyntaxTrees(ParseSyntaxTree(src, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview)));

11417parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp14));

515Await TestAsync(input, expected, csharpParseOptions:=CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9)) 546Await TestAsync(input, expected, csharpParseOptions:=CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10))

393ProjectSettingKind.LangVersion => (oldOptions.WithLanguageVersion(CSharp.LanguageVersion.CSharp11), "default", "11.0"),

156var tree = CSharpSyntaxTree.ParseText(text, options: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview), path: documentFilePath);

77var parseOptions = CSharpParseOptions.Default.WithLanguageVersion(langVersion)

326var parseOptions = CSharpParseOptions.Default.WithLanguageVersion(languageVersion); 427syntaxTrees: new[] { CSharpSyntaxTree.ParseText(@"// this is a comment", CSharpParseOptions.Default.WithLanguageVersion(CSharp.LanguageVersion.CSharp10)) },

79return ((CSharpParseOptions)base.CreateParseOptions()).WithLanguageVersion(LanguageVersion);

362parseOptions = CSharp.CSharpParseOptions.Default.WithLanguageVersion(CSharp.LanguageVersion.Default).WithDocumentationMode(DocumentationMode.None);

317return ((CSharpParseOptions)parseOptions).WithLanguageVersion(languageVersion);

1046.WithParseOptions(CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp7))

387pws.SetParseOptions(projid, parseOptions.WithLanguageVersion(CS.LanguageVersion.CSharp3));

69projectA = projectA.WithParseOptions(((CSharpParseOptions)projectA.ParseOptions).WithLanguageVersion(LanguageVersion.CSharp7_2));

77solution = solution.WithProjectParseOptions(projectId, parseOptions.WithLanguageVersion(LanguageVersion.Value));

31return project.WithParseOptions(parseOptions.WithLanguageVersion(langVersion));

231.WithLanguageVersion(languageVersion)

30if (oldCSharpOptions.WithLanguageVersion(newCSharpOptions.SpecifiedLanguageVersion) != newOptions)

64oldParseOptions.WithLanguageVersion(attemptedVersion), 89oldParseOptions.WithLanguageVersion(attemptedVersion),

197oldParseOptions.WithLanguageVersion(attemptedVersion), 228oldParseOptions.WithLanguageVersion(attemptedVersion),

39return parseOptions.WithLanguageVersion(LanguageVersion.Preview);

70return ((CSharpParseOptions)base.CreateParseOptions()).WithLanguageVersion(LanguageVersion);

38return ((CSharpParseOptions)base.CreateParseOptions()).WithLanguageVersion(LanguageVersion);