42new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 66new SignatureHelpTestItem("SomethingAttribute()", "Summary For Attribute", null, currentParameterIndex: 0) 87new SignatureHelpTestItem("SomethingAttribute(int i)", currentParameterIndex: 0, isSelected: true), 88new SignatureHelpTestItem("SomethingAttribute(string i)", currentParameterIndex: 0), 109new SignatureHelpTestItem("SomethingAttribute(int i)", currentParameterIndex: 0), 110new SignatureHelpTestItem("SomethingAttribute(string i)", currentParameterIndex: 0, isSelected: true), 133new SignatureHelpTestItem("SomethingAttribute(int someInteger, string someString)", string.Empty, string.Empty, currentParameterIndex: 0) 161new SignatureHelpTestItem("SomethingAttribute(int someInteger, string someString)", "Summary For Attribute", "Param someInteger", currentParameterIndex: 0) 183new SignatureHelpTestItem("SomethingAttribute(int someInteger, string someString)", string.Empty, string.Empty, currentParameterIndex: 1) 211new SignatureHelpTestItem("SomethingAttribute(int someInteger, string someString)", "Summary For Attribute", "Param someString", currentParameterIndex: 1) 232new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 337new SignatureHelpTestItem($"SomethingAttribute({FeaturesResources.Properties}: [goo = int])", string.Empty, string.Empty, currentParameterIndex: 0) 360new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 383new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 406new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 434new SignatureHelpTestItem($"SomethingAttribute({FeaturesResources.Properties}: [goo = int])", string.Empty, string.Empty, currentParameterIndex: 0) 458new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 481new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 504new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 527new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 550new SignatureHelpTestItem("SomethingAttribute()", string.Empty, null, currentParameterIndex: 0) 582new SignatureHelpTestItem($"DerivedAttribute({FeaturesResources.Properties}: [Name = string])", string.Empty, string.Empty, currentParameterIndex: 0) 614new SignatureHelpTestItem($"SomethingAttribute([int goo = 0], [string bar = null], {FeaturesResources.Properties}: [fieldbar = string], [fieldfoo = int])", string.Empty, "GooParameter", currentParameterIndex: 0) 643new SignatureHelpTestItem($"SomethingAttribute([int goo = 0], [string bar = null], {FeaturesResources.Properties}: [fieldbar = string], [fieldfoo = int])", string.Empty, "BarParameter", currentParameterIndex: 1) 672new SignatureHelpTestItem($"SomethingAttribute([int goo = 0], [string bar = null], {FeaturesResources.Properties}: [fieldbar = string], [fieldfoo = int])", string.Empty, string.Empty, currentParameterIndex: 2) 699new SignatureHelpTestItem($"SomethingAttribute([int goo = 0], {FeaturesResources.Properties}: [goo = int])", string.Empty, "GooParameter", currentParameterIndex: 0) 726new SignatureHelpTestItem($"SomethingAttribute([int goo = 0], {FeaturesResources.Properties}: [goo = int])", string.Empty, string.Empty, currentParameterIndex: 1) 756new SignatureHelpTestItem("SomethingAttribute(int someParameter, bool somethingElse)", string.Empty, string.Empty, currentParameterIndex: 0) 781new SignatureHelpTestItem("SomethingAttribute(int someParameter, bool somethingElse)", string.Empty, string.Empty, currentParameterIndex: 1) 842new SignatureHelpTestItem("MyAttribute(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 875new SignatureHelpTestItem("MyAttribute(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 908new SignatureHelpTestItem("MyAttribute(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 955new SignatureHelpTestItem("MyAttribute(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 960new SignatureHelpTestItem("MyAttribute(int x)", string.Empty, string.Empty, currentParameterIndex: 0), 961new SignatureHelpTestItem("MyAttribute(int x, int y)", string.Empty, string.Empty, currentParameterIndex: 0) 1001var expectedDescription = new SignatureHelpTestItem($""" 1046var expectedDescription = new SignatureHelpTestItem($"""

44new SignatureHelpTestItem("BaseClass()", string.Empty, null, currentParameterIndex: 0) 69new SignatureHelpTestItem("BaseClass()", "Summary for BaseClass", null, currentParameterIndex: 0) 93new SignatureHelpTestItem("BaseClass(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 0) 120new SignatureHelpTestItem("BaseClass(int a, int b)", "Summary for BaseClass", "Param a", currentParameterIndex: 0) 147new SignatureHelpTestItem("BaseClass(int a, int b)", "Summary for BaseClass", "Param b", currentParameterIndex: 1) 174new SignatureHelpTestItem("BaseClass(int a, int b)", "Summary for BaseClass", "Param b", currentParameterIndex: 1) 193new SignatureHelpTestItem("Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1) 212new SignatureHelpTestItem("Foo()", string.Empty, null, currentParameterIndex: 0), 231new SignatureHelpTestItem("Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1) 250new SignatureHelpTestItem("Foo()", string.Empty, null, currentParameterIndex: 0), 271new SignatureHelpTestItem("D(int i)", currentParameterIndex: 0, isSelected: true), 272new SignatureHelpTestItem("D(string i)", currentParameterIndex: 0), 293new SignatureHelpTestItem("D(int i)", currentParameterIndex: 0), 294new SignatureHelpTestItem("D(string i)", currentParameterIndex: 0, isSelected: true), 335new SignatureHelpTestItem("Goo(int a)", string.Empty, string.Empty, currentParameterIndex: 0) 354new SignatureHelpTestItem("Foo()", string.Empty, null, currentParameterIndex: 0), 373new SignatureHelpTestItem("Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1) 392new SignatureHelpTestItem("Foo()", string.Empty, null, currentParameterIndex: 0), 445new SignatureHelpTestItem("BaseClass(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 476new SignatureHelpTestItem("BaseClass(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 507new SignatureHelpTestItem("BaseClass(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 551new SignatureHelpTestItem("BaseClass(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 556new SignatureHelpTestItem("BaseClass(int x)", string.Empty, string.Empty, currentParameterIndex: 0), 557new SignatureHelpTestItem("BaseClass(int x, int y)", string.Empty, string.Empty, currentParameterIndex: 0) 600var expectedDescription = new SignatureHelpTestItem($""" 648var expectedDescription = new SignatureHelpTestItem($""" 703new SignatureHelpTestItem("D(object o)", currentParameterIndex: 0) 722new SignatureHelpTestItem("D(object o)", currentParameterIndex: 0) 742new SignatureHelpTestItem("D(object o)", currentParameterIndex: 0) 761new SignatureHelpTestItem("D(object o)", currentParameterIndex: 0) 789new SignatureHelpTestItem("Program(int i1, int i2, int i3)", currentParameterIndex: expectedParameterIndex, isSelected: true), 825new SignatureHelpTestItem("Program(int i, string s)", currentParameterIndex: expectedParameterIndex, isSelected: expecteSelectedIndex == index++), 826new SignatureHelpTestItem("Program(string s, string s2)", currentParameterIndex: expectedParameterIndex, isSelected: expecteSelectedIndex == index++),

51new SignatureHelpTestItem("string C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 76new SignatureHelpTestItem("ref int C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 101new SignatureHelpTestItem("ref readonly int C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 132new SignatureHelpTestItem("string C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 167new SignatureHelpTestItem("string C[int a]", "Summary for this.", "Param a", currentParameterIndex: 0) 197new SignatureHelpTestItem("string C[int a, bool b]", string.Empty, string.Empty, currentParameterIndex: 1) 233new SignatureHelpTestItem("string C[int a, bool b]", "Summary for this.", "Param b", currentParameterIndex: 1) 265new SignatureHelpTestItem("string C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 296new SignatureHelpTestItem("string C[int a, bool b]", string.Empty, string.Empty, currentParameterIndex: 1) 361new SignatureHelpTestItem("string C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 392new SignatureHelpTestItem("string C[int a, bool b]", string.Empty, string.Empty, currentParameterIndex: 1) 464new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0) 501new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0) 538new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0) 591new SignatureHelpTestItem("int Goo[double d]", string.Empty, string.Empty, currentParameterIndex: 0) 596new SignatureHelpTestItem("int Goo[double d]", string.Empty, string.Empty, currentParameterIndex: 0), 597new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0), 634new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0) 671new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0) 709new SignatureHelpTestItem("int Goo[int x]", string.Empty, string.Empty, currentParameterIndex: 0) 770new SignatureHelpTestItem("string CCC.IndexProp[int p1]", string.Empty, string.Empty, currentParameterIndex: 0) 775new SignatureHelpTestItem("string CCC.IndexProp[int p1]", "An index property from VB", "p1 is an integer index", currentParameterIndex: 0) 819var expectedDescription = new SignatureHelpTestItem($""" 868var expectedDescription = new SignatureHelpTestItem($""" 910new SignatureHelpTestItem("string C[int a]", string.Empty, string.Empty, currentParameterIndex: 0) 940new SignatureHelpTestItem("int P[int z]", string.Empty, string.Empty, currentParameterIndex: 0) 949var expected = new[] { new SignatureHelpTestItem("char string[int index]") }; 996""", [new SignatureHelpTestItem("int System.Collections.Generic.List<int>[int index]")]); 1029await TestAsync(markup, [new SignatureHelpTestItem("int WithIndexer[int index]")], usePreviousCharAsTrigger: true); 1049await TestAsync(markup, [new SignatureHelpTestItem("Indexable Indexable[int x]")], usePreviousCharAsTrigger: false); 1069await TestAsync(markup, [new SignatureHelpTestItem("Indexable Indexable[int x]")], usePreviousCharAsTrigger: false);

42new SignatureHelpTestItem("G<T>", string.Empty, string.Empty, currentParameterIndex: 0) 67new SignatureHelpTestItem("G<T>", string.Empty, string.Empty, currentParameterIndex: 0) 92new SignatureHelpTestItem("G<T>", string.Empty, string.Empty, currentParameterIndex: 0) 115new SignatureHelpTestItem("G<T>", string.Empty, string.Empty, currentParameterIndex: 0) 141new SignatureHelpTestItem($"({CSharpFeaturesResources.awaitable}) Task<int> Program.Goo<T>()", methodDocumentation: string.Empty, string.Empty, currentParameterIndex: 0) 172new SignatureHelpTestItem("void C.Goo<T>(T x)", string.Empty, string.Empty, currentParameterIndex: 0) 207new SignatureHelpTestItem("void C.Goo<T>(T x)", string.Empty, string.Empty, currentParameterIndex: 0) 242new SignatureHelpTestItem("void C.Goo<T>(T x)", string.Empty, string.Empty, currentParameterIndex: 0) 289new SignatureHelpTestItem("void C.Goo<T>(T x)", string.Empty, string.Empty, currentParameterIndex: 0) 294new SignatureHelpTestItem("void C.Goo<T>(T x)", string.Empty, string.Empty, currentParameterIndex: 0), 295new SignatureHelpTestItem("void C.Goo<T, U>(T x, U y)", string.Empty, string.Empty, currentParameterIndex: 0) 332new SignatureHelpTestItem("void IGoo.Bar<T>()", currentParameterIndex: 0), 333new SignatureHelpTestItem($"({CSharpFeaturesResources.extension}) void IGoo.Bar<T1, T2>()", currentParameterIndex: 0), 361new SignatureHelpTestItem("void C.Goo<T>()", 385new SignatureHelpTestItem("G<S, T>", string.Empty, string.Empty, currentParameterIndex: 0) 408new SignatureHelpTestItem("G<S, T>", string.Empty, string.Empty, currentParameterIndex: 1)

46new SignatureHelpTestItem("G<T>", string.Empty, string.Empty, currentParameterIndex: 0) 69new SignatureHelpTestItem("G<T>", string.Empty, string.Empty, currentParameterIndex: 0) 92new SignatureHelpTestItem("G<S, T>", string.Empty, string.Empty, currentParameterIndex: 0) 115new SignatureHelpTestItem("G<S, T>", string.Empty, string.Empty, currentParameterIndex: 1) 143new SignatureHelpTestItem("G<S, T>", 174new SignatureHelpTestItem("G<S, T>", "Summary for G", "TypeParamT. Also see S", currentParameterIndex: 1) 202new SignatureHelpTestItem("G<S> where S : struct", string.Empty, string.Empty, currentParameterIndex: 0) 226new SignatureHelpTestItem("G<S> where S : class", string.Empty, string.Empty, currentParameterIndex: 0) 250new SignatureHelpTestItem("G<S> where S : new()", string.Empty, string.Empty, currentParameterIndex: 0) 276new SignatureHelpTestItem("G<S> where S : Base", string.Empty, string.Empty, currentParameterIndex: 0) 302new SignatureHelpTestItem("G<S> where S : Base<S>", string.Empty, string.Empty, currentParameterIndex: 0) 328new SignatureHelpTestItem("G<S> where S : Base<int>", string.Empty, string.Empty, currentParameterIndex: 0) 354new SignatureHelpTestItem("G<S> where S : Base<Base<int>>", string.Empty, string.Empty, currentParameterIndex: 0) 378new SignatureHelpTestItem("G<S, T> where S : T", string.Empty, string.Empty, currentParameterIndex: 0) 413new SignatureHelpTestItem("G<S, T> where S : Base, new()", "Summary1", "SummaryS", currentParameterIndex: 0) 448new SignatureHelpTestItem("G<S, T> where T : class, S, IGoo, new()", "Summary1", "SummaryT", currentParameterIndex: 1) 472new SignatureHelpTestItem("G<S> where S : allows ref struct", string.Empty, string.Empty, currentParameterIndex: 0) 499new SignatureHelpTestItem("void C.Goo<T>()", string.Empty, string.Empty, currentParameterIndex: 0) 529new SignatureHelpTestItem("void C.Goo<S, T>(S s, T t)", 553new SignatureHelpTestItem("void C.Goo<S, T>(S s, T t)", string.Empty, string.Empty, currentParameterIndex: 1) 581new SignatureHelpTestItem("void C.Goo<S, T>(S s, T t)", "SummaryForGoo", "SummaryForS", currentParameterIndex: 0) 609new SignatureHelpTestItem("void C.Goo<S, T>(S s, T t)", "SummaryForGoo", "SummaryForT", currentParameterIndex: 1) 639new SignatureHelpTestItem($"({CSharpFeaturesResources.extension}) void G.Goo<T>()", string.Empty, string.Empty, currentParameterIndex: 0) 678new SignatureHelpTestItem("S C.Goo<S, T>(S s, T t) where S : Base, new()", "GooSummary", "ParamS", currentParameterIndex: 0) 712new SignatureHelpTestItem("S C.Goo<S, T>(S s, T t) where T : class, S, IGoo, new()", "GooSummary", "ParamT", currentParameterIndex: 1) 741new SignatureHelpTestItem("void C.M<T>(T arg) where T : unmanaged", "summary headline", "T documentation", currentParameterIndex: 0) 785var expectedDescription = new SignatureHelpTestItem($""" 830var expectedDescription = new SignatureHelpTestItem($""" 867new SignatureHelpTestItem("C<T>", string.Empty, string.Empty, currentParameterIndex: 0) 900new SignatureHelpTestItem("C<T>", string.Empty, string.Empty, currentParameterIndex: 0) 933new SignatureHelpTestItem("C<T>", string.Empty, string.Empty, currentParameterIndex: 0) 1000new SignatureHelpTestItem("G<S, T>", """

35await TestAsync(markup, [new("void List<int>.Add(int item)", currentParameterIndex: 0)]); 53await TestAsync(markup, [new("void Dictionary<int, string>.Add(int key, string value)", currentParameterIndex: 0)]); 71await TestAsync(markup, [new("void Dictionary<int, string>.Add(int key, string value)", currentParameterIndex: 1)]); 94await TestAsync(markup, [new("void Dictionary<int, string>.Add(int key, string value)", currentParameterIndex: 0)]); 115await TestAsync(markup, [new("void Dictionary<int, string>.Add(int key, string value)", currentParameterIndex: 0)]); 139new("void Bar.Add(int i)", currentParameterIndex: 0), 140new("void Bar.Add(int i, string s)", currentParameterIndex: 0, isSelected: true), 141new("void Bar.Add(int i, string s, bool b)", currentParameterIndex: 0)]); 192new($"({CSharpFeaturesResources.extension}) void Bar.Add(int i)", currentParameterIndex: 0), 193new($"({CSharpFeaturesResources.extension}) void Bar.Add(int i, string s)", currentParameterIndex: 0, isSelected: true), 194new($"({CSharpFeaturesResources.extension}) void Bar.Add(int i, string s, bool b)", currentParameterIndex: 0)], sourceCodeKind: SourceCodeKind.Regular);

38await TestAsync(markup, [new SignatureHelpTestItem("int C.Goo(int x)", currentParameterIndex: 0)]); 56await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(Action<int> f)", currentParameterIndex: 0)]); 74await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(Action<int> f)", currentParameterIndex: 0)]); 90await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo()", string.Empty, null, currentParameterIndex: 0)]); 109await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo()", "Summary for goo", null, currentParameterIndex: 0)]); 125await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 0)]); 146await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", "Summary for Goo", "Param a", currentParameterIndex: 0)]); 162await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1)]); 183await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", "Summary for Goo", "Param b", currentParameterIndex: 1)]); 202await TestAsync(markup, [new SignatureHelpTestItem("void SomeDelegate(int a)", parameterDocumentation: "Parameter docs", currentParameterIndex: 0)]); 221await TestAsync(markup, [new SignatureHelpTestItem("void SomeDelegate.Invoke(int a)", parameterDocumentation: "Parameter docs", currentParameterIndex: 0)]); 240await TestAsync(markup, [new SignatureHelpTestItem("System.IAsyncResult SomeDelegate.BeginInvoke(int a, System.AsyncCallback callback, object @object)", parameterDocumentation: "Parameter docs", currentParameterIndex: 0)]); 260await TestAsync(markup, [new SignatureHelpTestItem("System.IAsyncResult SomeDelegate.BeginInvoke(int a, System.AsyncCallback callback, object @object)", parameterDocumentation: null, currentParameterIndex: 1)]); 276await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo()", string.Empty, null, currentParameterIndex: 0)]); 293await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 0)]); 309await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1)]); 328await TestAsync(markup, [new SignatureHelpTestItem("void Action<int>(int obj)", string.Empty, string.Empty, currentParameterIndex: 0)]); 348await TestAsync(markup, [new SignatureHelpTestItem("void C.Bar(int a)", string.Empty, string.Empty, currentParameterIndex: 0)]); 376await TestAsync(markup, [new SignatureHelpTestItem($"({CSharpFeaturesResources.extension}) int string.ExtensionMethod(int x)", string.Empty, string.Empty, currentParameterIndex: 0)], sourceCodeKind: SourceCodeKind.Regular); 396await TestAsync(markup, [new SignatureHelpTestItem("void Class1.Goo([int a = 42])", string.Empty, string.Empty, currentParameterIndex: 0)]); 447await TestAsync(markup, [new SignatureHelpTestItem("double C.Goo(double x)", string.Empty, string.Empty, currentParameterIndex: 0)]); 474await TestAsync(markup, [new SignatureHelpTestItem("double C.Goo(double x, double y)", string.Empty, string.Empty, currentParameterIndex: 0)]); 498await TestAsync(markup, [new SignatureHelpTestItem("void C.Bar()", currentParameterIndex: 0)]); 523new SignatureHelpTestItem("void C.Bar()", currentParameterIndex: 0), 524new SignatureHelpTestItem("void C.Bar(int i)", currentParameterIndex: 0)]); 548new SignatureHelpTestItem( 590await TestAsync(markup, [new SignatureHelpTestItem( 622await TestAsync(markup, [new SignatureHelpTestItem( 649await TestAsync(markup, [new SignatureHelpTestItem( 681await TestAsync(markup, [new SignatureHelpTestItem( 708await TestAsync(markup, [new SignatureHelpTestItem( 740await TestAsync(markup, [new SignatureHelpTestItem( 772await TestAsync(markup, [new SignatureHelpTestItem( 877markup, [new SignatureHelpTestItem("void Program.SomeMethod([CancellationToken token = default])", string.Empty, null, currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 893await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo()", string.Empty, null, currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 909await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1)], usePreviousCharAsTrigger: true); 1009List<SignatureHelpTestItem> expectedOrderedItems = [new SignatureHelpTestItem("void Goo.Bar()", string.Empty, null, currentParameterIndex: 0)]; 1047expectedOrderedItemsSameSolution: [new SignatureHelpTestItem("void Goo.Bar()", string.Empty, null, currentParameterIndex: 0)], 1074List<SignatureHelpTestItem> expectedOrderedItems = [new SignatureHelpTestItem("void Goo.Bar()", string.Empty, null, currentParameterIndex: 0)]; 1123expectedOrderedItemsMetadataReference: [new SignatureHelpTestItem("void Goo.Bar()", string.Empty, null, currentParameterIndex: 0)], 1125new SignatureHelpTestItem("void Goo.Bar()", string.Empty, null, currentParameterIndex: 0), 1126new SignatureHelpTestItem("void Goo.Bar(int x)", string.Empty, string.Empty, currentParameterIndex: 0)], 1164new SignatureHelpTestItem("void Goo.Bar()", string.Empty, null, currentParameterIndex: 0), 1165new SignatureHelpTestItem("void Goo.Bar(int x)", string.Empty, string.Empty, currentParameterIndex: 0)], 1201new SignatureHelpTestItem("void D.Goo(int derived)", string.Empty, string.Empty, currentParameterIndex: 0), 1234List<SignatureHelpTestItem> expectedOrderedItems = [new SignatureHelpTestItem("void C.Goo()", string.Empty, null, currentParameterIndex: 0)]; 1275new SignatureHelpTestItem("void B.Goo()", string.Empty, null, currentParameterIndex: 0), 1276new SignatureHelpTestItem("void D.Goo(int x)", string.Empty, string.Empty, currentParameterIndex: 0), 1313expectedOrderedItemsSameSolution: [new SignatureHelpTestItem("void B.Goo()", string.Empty, null, currentParameterIndex: 0)], 1340new SignatureHelpTestItem("void C<int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1341new SignatureHelpTestItem("void C<int>.Goo(int i)", string.Empty, string.Empty, currentParameterIndex: 0), 1376expectedOrderedItemsMetadataReference: [new SignatureHelpTestItem("void C<int>.Goo(int i)", string.Empty, string.Empty, currentParameterIndex: 0)], 1378new SignatureHelpTestItem("void C<int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1379new SignatureHelpTestItem("void C<int>.Goo(int i)", string.Empty, string.Empty, currentParameterIndex: 0)], 1408expectedOrderedItemsMetadataReference: [new SignatureHelpTestItem("void C<int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0)], 1410new SignatureHelpTestItem("void C<int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1411new SignatureHelpTestItem("void C<int>.Goo(int i)", string.Empty, string.Empty, currentParameterIndex: 0)], 1444new SignatureHelpTestItem("void C<int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1445new SignatureHelpTestItem("void C<int>.Goo(int i)", string.Empty, string.Empty, currentParameterIndex: 0)], 1473new SignatureHelpTestItem("void C<int, int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1474new SignatureHelpTestItem("void C<int, int>.Goo(int u)", string.Empty, string.Empty, currentParameterIndex: 0), 1509expectedOrderedItemsMetadataReference: [new SignatureHelpTestItem("void C<int, int>.Goo(int u)", string.Empty, string.Empty, currentParameterIndex: 0)], 1511new SignatureHelpTestItem("void C<int, int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1512new SignatureHelpTestItem("void C<int, int>.Goo(int u)", string.Empty, string.Empty, currentParameterIndex: 0)], 1544new SignatureHelpTestItem("void C<int, int>.Goo(int t)", string.Empty, string.Empty, currentParameterIndex: 0), 1545new SignatureHelpTestItem("void C<int, int>.Goo(int u)", string.Empty, string.Empty, currentParameterIndex: 0)], 1566await TestSignatureHelpWithMscorlib45Async(markup, [new SignatureHelpTestItem($"({CSharpFeaturesResources.awaitable}) Task C.Goo()", methodDocumentation: string.Empty, currentParameterIndex: 0)], "C#"); 1583await TestSignatureHelpWithMscorlib45Async(markup, [new SignatureHelpTestItem($"({CSharpFeaturesResources.awaitable}) Task<Task<int>> C.Goo()", methodDocumentation: string.Empty, currentParameterIndex: 0)], "C#"); 1610await TestAsync(markup, [new SignatureHelpTestItem("void C<int>.M(int t)", string.Empty, "Real t", currentParameterIndex: 0)]); 1627new SignatureHelpTestItem( 1663new SignatureHelpTestItem("void IGoo.Bar<T>()", currentParameterIndex: 0), 1664new SignatureHelpTestItem($"({CSharpFeaturesResources.extension}) void IGoo.Bar<T1, T2>()", currentParameterIndex: 0)], sourceCodeKind: SourceCodeKind.Regular); 1683new SignatureHelpTestItem("void Program.M(int i)", currentParameterIndex: 0, isSelected: true), 1684new SignatureHelpTestItem($"void Program.M(string s)", currentParameterIndex: 0)]); 1703new SignatureHelpTestItem("void Program.M(int i)", currentParameterIndex: 0, isSelected: true), 1704new SignatureHelpTestItem($"void Program.M(string s)", currentParameterIndex: 0)]); 1723new SignatureHelpTestItem("void Program.M(int i)", currentParameterIndex: 0), 1724new SignatureHelpTestItem($"void Program.M(string s)", currentParameterIndex: 0, isSelected: true)]); 1744new SignatureHelpTestItem("void D.M(int i)", currentParameterIndex: 0, isSelected: true), 1745new SignatureHelpTestItem("void D.M(string i)", currentParameterIndex: 0)]); 1766new SignatureHelpTestItem("void D.M(int i)", currentParameterIndex: 0, isSelected: true), 1767new SignatureHelpTestItem("void D.M(string i)", currentParameterIndex: 0)]); 1787new SignatureHelpTestItem("void D.M(int i)", currentParameterIndex: 0, isSelected: true), 1788new SignatureHelpTestItem("void D.M(string i)", currentParameterIndex: 0)]); 1808new SignatureHelpTestItem("void D.M(int i)", currentParameterIndex: 0), 1809new SignatureHelpTestItem("void D.M(string i)", currentParameterIndex: 0, isSelected: true)]); 1829new SignatureHelpTestItem("void D.M(ref int a, int i)", currentParameterIndex: 0), 1830new SignatureHelpTestItem("void D.M(out int b, int i)", currentParameterIndex: 0, isSelected: true)]); 1856await TestAsync(markup.Replace("ARGUMENTS", arguments), [new SignatureHelpTestItem("void Program.M(int i1, int i2, int i3)", currentParameterIndex: expectedParameterIndex, isSelected: true)]); 1881await TestAsync(markup.Replace("ARGUMENTS", arguments), [new SignatureHelpTestItem("void Delegate(int i1, int i2, int i3)", currentParameterIndex: expectedParameterIndex, isSelected: true)]); 1916new SignatureHelpTestItem("void Program.M(int i, string s)", currentParameterIndex: expectedParameterIndex, isSelected: expectedSelectedIndex == index++), 1917new SignatureHelpTestItem("void Program.M(string s, string s2)", currentParameterIndex: expectedParameterIndex, isSelected: expectedSelectedIndex == index++)]); 1940await TestAsync(markup.Replace("ARGUMENTS", arguments), [new SignatureHelpTestItem($"void Program.M(string s, string s2)", currentParameterIndex: expectedParameterIndex, isSelected: true)]); 1974await TestAsync(markup.Replace("ARGUMENTS", arguments), [new SignatureHelpTestItem("void Program.M(int i1, params int[] i2)", currentParameterIndex: expectedParameterIndex, isSelected: true)]); 1991await TestAsync(source, [new SignatureHelpTestItem("void Program.M(int i1, params int i2)", currentParameterIndex: 1, isSelected: true)]); 2009await TestAsync(markup, [new SignatureHelpTestItem($"void Program.M(string s1, string s2, string s3)", currentParameterIndex: 1, isSelected: true)]); 2030await TestAsync(markup.Replace("ARGUMENTS", arguments), [new SignatureHelpTestItem("void Program.M(int i, string s)", currentParameterIndex: expectedParameterIndex, isSelected: true)]); 2051await TestAsync(markup, [new SignatureHelpTestItem("void C.Goo()", "Summary for goo. See method C.Bar()", null, currentParameterIndex: 0)]); 2082await VerifyItemWithReferenceWorkerAsync(markup, [new SignatureHelpTestItem($""" 2126await VerifyItemWithReferenceWorkerAsync(markup, [new SignatureHelpTestItem($""" 2158new SignatureHelpTestItem("void Goo.Bar(int x)", currentParameterIndex: 0), 2159new SignatureHelpTestItem("void Goo.Bar(string s)", currentParameterIndex: 0)]); 2184new SignatureHelpTestItem("void Goo.Bar(int x)", currentParameterIndex: 0), 2185new SignatureHelpTestItem("void Goo.Bar(string s)", currentParameterIndex: 0)]); 2210new SignatureHelpTestItem("void Goo.Bar(int x)", currentParameterIndex: 0), 2211new SignatureHelpTestItem("void Goo.Bar(string s)", currentParameterIndex: 0)]); 2274new SignatureHelpTestItem("bool object.Equals(object objA, object objB)"), 2275new SignatureHelpTestItem("bool string.Equals(string a, string b)"), 2276new SignatureHelpTestItem("bool string.Equals(string a, string b, System.StringComparison comparisonType)")]); 2300await TestAsync(markup, [new SignatureHelpTestItem("void Test.Goo.Bar(string s)")]); 2341await VerifyItemWithReferenceWorkerAsync(markup, [new SignatureHelpTestItem($""" 2369new SignatureHelpTestItem("void C.Goo<string>(string a)", string.Empty, string.Empty, currentParameterIndex: 0), 2370new SignatureHelpTestItem("void C.Goo<T, U>(T a, U b)", string.Empty)]); 2391new SignatureHelpTestItem("void C.Goo<T>(T a)", string.Empty), 2392new SignatureHelpTestItem("void C.Goo<T, U>(T a, U b)", string.Empty, string.Empty, currentParameterIndex: 1)]); 2415await TestAsync(markup, [new SignatureHelpTestItem("void List<int>.Add(int item)")]); 2431await TestAsync(markup, [new SignatureHelpTestItem("int C.Goo(object x)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 2447await TestAsync(markup, [new SignatureHelpTestItem("int C.Goo(object x)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 2463await TestAsync(markup, [new SignatureHelpTestItem("int C.Goo(object x)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 2479await TestAsync(markup, [new SignatureHelpTestItem("int C.Goo(object x)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 2504new SignatureHelpTestItem("bool Comparer.Equals(object x)", currentParameterIndex: 1), 2505new SignatureHelpTestItem("bool Comparer.Equals(string x, string y)", currentParameterIndex: 1, isSelected: true)]); 2523await TestAsync(markup, [new SignatureHelpTestItem("void Local()")]); 2541await TestAsync(markup, [new SignatureHelpTestItem("void Local()")]); 2559await TestAsync(markup, [new SignatureHelpTestItem("int delegate*(int)", currentParameterIndex: 0)]); 2577await TestAsync(markup, [new SignatureHelpTestItem("int delegate*(string, long)", currentParameterIndex: 1)]); 2613expectedItems.Add(new SignatureHelpTestItem($""" 2624expectedItems.Add(new SignatureHelpTestItem($"void C.M(object o)", currentParameterIndex: 0)); 2625expectedItems.Add(new SignatureHelpTestItem($""" 2672markup, [new SignatureHelpTestItem($"({CSharpFeaturesResources.extension}) IResourceBuilder<C> IResourceBuilder<C>.WithServiceBinding<C>(int containerPort, [int? hostPort = null], [string? scheme = null], [string? name = null], [string? env = null])", currentParameterIndex: 0)], 2711markup, [new SignatureHelpTestItem($"({CSharpFeaturesResources.extension}) IResourceBuilder<C> IResourceBuilder<C>.WithServiceBinding<C>(int containerPort, [int? hostPort = null], [string? scheme = null], [string? name = null], [string? env = null])", currentParameterIndex: 0)],

39await TestAsync(markup, [new("C()", string.Empty, null, currentParameterIndex: 0)]); 61await TestAsync(markup, [new("C()", string.Empty, null, currentParameterIndex: 0)]); 82await TestAsync(markup, [new("C()", "Summary for C", null, currentParameterIndex: 0)]); 100await TestAsync(markup, [new("C(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 0)]); 118await TestAsync(markup, [new("C(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 0)]); 141await TestAsync(markup, [new("C(int a, int b)", "Summary for C", "Param a", currentParameterIndex: 0)]); 159await TestAsync(markup, [new("C(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1)]); 182await TestAsync(markup, [new("C(int a, int b)", "Summary for C", "Param b", currentParameterIndex: 1)]); 202new("D(int i)", currentParameterIndex: 0, isSelected: true), 203new("D(string i)", currentParameterIndex: 0),]); 223new("D(int i)", currentParameterIndex: 0, isSelected: true), 224new("D(string i)", currentParameterIndex: 0),]); 244new("D(int i)", currentParameterIndex: 0), 245new("D(string i)", currentParameterIndex: 0, isSelected: true),]); 265new("D(int i)", currentParameterIndex: 0), 266new("D(string i)", currentParameterIndex: 0, isSelected: true),]); 282await TestAsync(markup, [new("C()", string.Empty, null, currentParameterIndex: 0)]); 300await TestAsync(markup, [new("C(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 0)]); 318await TestAsync(markup, [new("C(int a, int b)", string.Empty, string.Empty, currentParameterIndex: 1)]); 336await TestAsync(markup, [new("Action<int, int>(void (int, int) target)", string.Empty, string.Empty, currentParameterIndex: 0, isSelected: true)]); 380await TestAsync(markup, [new("C()", string.Empty, null, currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 400await TestAsync(markup, [new("C(int a, string b)", string.Empty, string.Empty, currentParameterIndex: 1)], usePreviousCharAsTrigger: true); 460new("Goo(int x)", string.Empty, string.Empty, currentParameterIndex: 0) 499expectedOrderedItemsSameSolution: [new("Goo(int x)", string.Empty, string.Empty, currentParameterIndex: 0)], 528new("Goo()", string.Empty, null, currentParameterIndex: 0) 579expectedOrderedItemsMetadataReference: [new("Goo(int x)", string.Empty, string.Empty, currentParameterIndex: 0)], 581new("Goo(int x)", string.Empty, string.Empty, currentParameterIndex: 0), 582new("Goo(long y)", string.Empty, string.Empty, currentParameterIndex: 0)], 618markup, [new($""" 663markup, [new($""" 714await TestAsync(markup, [new("C(object o)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 732await TestAsync(markup, [new("C(object o)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 750await TestAsync(markup, [new("C(object o)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 768await TestAsync(markup, [new("C(object o)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 803new("Program(int i, string s)", currentParameterIndex: expectedParameterIndex, isSelected: expecteSelectedIndex == index++), 804new("Program(string s, string s2)", currentParameterIndex: expectedParameterIndex, isSelected: expecteSelectedIndex == index++),]); 828[new($"Program(string s, string s2)", currentParameterIndex: expectedParameterIndex, isSelected: true)]); 851[new SignatureHelpTestItem("BaseClass(int val)", currentParameterIndex: 0)], 875new SignatureHelpTestItem("BaseClass(int val)", currentParameterIndex: 0), 876new SignatureHelpTestItem("BaseClass(int val, int val1)", currentParameterIndex: 0), 898new SignatureHelpTestItem("BaseClass(int val)", currentParameterIndex: 0), 899new SignatureHelpTestItem("BaseClass(int val, int val1)", currentParameterIndex: 0),

36new("Base(Base original)", string.Empty, null, currentParameterIndex: 0), 37new("Base(int Identifier)", string.Empty, null, currentParameterIndex: 0, isSelected: true)]); 51await TestAsync(markup, [new("Base(int Identifier)", string.Empty, null, currentParameterIndex: 0, isSelected: true)]); 66new("Base(Base original)", string.Empty, null, currentParameterIndex: 1), 67new("Base(string name)", string.Empty, null, currentParameterIndex: 1), 68new("Base(int Identifier1, int Identifier2)", string.Empty, null, currentParameterIndex: 1, isSelected: true)]); 83new("Base(string name)", string.Empty, null, currentParameterIndex: 1), 84new("Base(int Identifier1, int Identifier2)", string.Empty, null, currentParameterIndex: 1, isSelected: true)]); 100new("Base(Base original)", string.Empty, null, currentParameterIndex: 1), 101new("Base(string name)", "Summary for constructor", null, currentParameterIndex: 1), 102new("Base(int Identifier1, int Identifier2)", string.Empty, null, currentParameterIndex: 1, isSelected: true)]); 118new("Base(string name)", "Summary for constructor", null, currentParameterIndex: 1), 119new("Base(int Identifier1, int Identifier2)", string.Empty, null, currentParameterIndex: 1, isSelected: true)]); 136new("Base(Base original)", string.Empty, null, currentParameterIndex: 0), 137new("Base(string name)", "Summary for constructor", "Param name", currentParameterIndex: 0), 138new("Base(int Identifier1, int Identifier2)", string.Empty, null, currentParameterIndex: 0, isSelected: true)]); 155new("Base(string name)", "Summary for constructor", "Param name", currentParameterIndex: 0), 156new("Base(int Identifier1, int Identifier2)", string.Empty, null, currentParameterIndex: 0, isSelected: true)]); 169await TestAsync(markup, [new("Base(int Identifier)", string.Empty, null, currentParameterIndex: 0, isSelected: true)]);

30await TestAsync(markup, [new("(int, int)", currentParameterIndex: 0, parameterDocumentation: "")], usePreviousCharAsTrigger: true); 43await TestAsync(markup, [new("(string?, string)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 59await TestAsync(markup, [new("(object a, object)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 72await TestAsync(markup, [new("(int, int)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 85await TestAsync(markup, [new("(int, int)", currentParameterIndex: 1, parameterDocumentation: "")], usePreviousCharAsTrigger: true); 98await TestAsync(markup, [new("(int, int)", currentParameterIndex: 1)], usePreviousCharAsTrigger: true); 115new("(int a, int b)", currentParameterIndex: 0)]); 128await TestAsync(markup, [new("(int b, int c)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 141await TestAsync(markup, [new("(int, object)", currentParameterIndex: 1)], usePreviousCharAsTrigger: true); 154await TestAsync(markup, [new("(int, object)", currentParameterIndex: 1)], usePreviousCharAsTrigger: true); 167await TestAsync(markup, [new("(int, object)", currentParameterIndex: 1)], usePreviousCharAsTrigger: true); 180await TestAsync(markup, [new("(object, object)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 200new("(int, int)", currentParameterIndex: 0), 201new("(string, string)", currentParameterIndex: 0)], usePreviousCharAsTrigger: true); 232markup, [new($"(int, string)", currentParameterIndex: 0)], hideAdvancedMembers: false);