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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Completion.KeywordRecommenders;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations;
[Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
public sealed class DynamicKeywordRecommenderTests : RecommenderTests
{
protected override string KeywordText => "dynamic";
private readonly DynamicKeywordRecommender _recommender = new();
public DynamicKeywordRecommenderTests()
{
this.RecommendKeywordsAsync = (position, context) => Task.FromResult(_recommender.RecommendKeywords(position, context, CancellationToken.None));
}
[Fact]
public Task TestAtRoot_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
@"$$");
[Fact]
public Task TestAfterClass_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
class C { }
$$
""");
[Fact]
public Task TestAfterGlobalStatement()
=> VerifyKeywordAsync(
"""
System.Console.WriteLine();
$$
""");
[Fact]
public Task TestAfterGlobalVariableDeclaration_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
int i = 0;
$$
""");
[Fact]
public Task TestNotInUsing()
=> VerifyAbsenceAsync(
@"using $$");
[Fact]
public Task TestInUsingAlias()
=> VerifyKeywordAsync(
@"using Goo = $$");
[Fact]
public Task TestInUsingAlias_Tuple()
=> VerifyKeywordAsync(
@"using Goo = ($$");
[Fact]
public Task TestNotAfterStackAlloc()
=> VerifyAbsenceAsync(
"""
class C {
int* goo = stackalloc $$
""");
[Fact]
public Task TestNotInFixedStatement()
=> VerifyAbsenceAsync(AddInsideMethod(
@"fixed ($$"));
[Fact]
public Task TestInDelegateReturnType()
=> VerifyKeywordAsync(
@"public delegate $$");
[Fact]
public Task TestInCastType()
=> VerifyKeywordAsync(AddInsideMethod(
@"var str = (($$"));
[Fact]
public Task TestInCastType2()
=> VerifyKeywordAsync(AddInsideMethod(
@"var str = (($$)items) as string;"));
[Fact]
public Task TestAfterConstInMemberContext()
=> VerifyKeywordAsync(
"""
class C {
const $$
""");
[Fact]
public Task TestAfterRefInMemberContext()
=> VerifyKeywordAsync(
"""
class C {
ref $$
""");
[Fact]
public Task TestAfterRefReadonlyInMemberContext()
=> VerifyKeywordAsync(
"""
class C {
ref readonly $$
""");
[Fact]
public Task TestAfterConstInStatementContext()
=> VerifyKeywordAsync(AddInsideMethod(
@"const $$"));
[Fact]
public Task TestAfterRefInStatementContext()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref $$"));
[Fact]
public Task TestAfterRefReadonlyInStatementContext()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref readonly $$"));
[Fact]
public Task TestAfterConstLocalDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"const $$ int local;"));
[Fact]
public Task TestAfterRefLocalDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref $$ int local;"));
[Fact]
public Task TestAfterRefReadonlyLocalDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref readonly $$ int local;"));
[Fact]
public Task TestAfterRefLocalFunction()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref $$ int Function();"));
[Fact]
public Task TestAfterRefReadonlyLocalFunction()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref readonly $$ int Function();"));
[Fact]
public Task TestNotAfterRefExpression()
=> VerifyAbsenceAsync(AddInsideMethod(
@"ref int x = ref $$"));
[Fact]
public Task TestInEmptyStatement()
=> VerifyKeywordAsync(AddInsideMethod(
@"$$"));
[Fact]
public Task TestNotInEnumBaseTypes()
=> VerifyAbsenceAsync(
@"enum E : $$");
[Fact]
public Task TestInGenericType1()
=> VerifyKeywordAsync(AddInsideMethod(
@"IList<$$"));
[Fact]
public Task TestInGenericType2()
=> VerifyKeywordAsync(AddInsideMethod(
@"IList<int,$$"));
[Fact]
public Task TestInGenericType3()
=> VerifyKeywordAsync(AddInsideMethod(
@"IList<int[],$$"));
[Fact]
public Task TestInGenericType4()
=> VerifyKeywordAsync(AddInsideMethod(
@"IList<IGoo<int?,byte*>,$$"));
[Fact]
public Task TestNotInBaseList()
=> VerifyAbsenceAsync(
@"class C : $$");
[Fact]
public Task TestInGenericType_InBaseList()
=> VerifyKeywordAsync(
@"class C : IList<$$");
[Fact]
public Task TestAfterMethod()
=> VerifyKeywordAsync(
"""
class C {
void Goo() {}
$$
""");
[Fact]
public Task TestAfterField()
=> VerifyKeywordAsync(
"""
class C {
int i;
$$
""");
[Fact]
public Task TestAfterProperty()
=> VerifyKeywordAsync(
"""
class C {
int i { get; }
$$
""");
[Fact]
public Task TestAfterNestedAttribute()
=> VerifyKeywordAsync(
"""
class C {
[goo]
$$
""");
[Fact]
public Task TestInsideStruct()
=> VerifyKeywordAsync(
"""
struct S {
$$
""");
[Fact]
public Task TestInsideInterface()
=> VerifyKeywordAsync(
"""
interface I {
$$
""");
[Fact]
public Task TestInsideClass()
=> VerifyKeywordAsync(
"""
class C {
$$
""");
[Fact]
public async Task TestNotAfterPartial()
=> await VerifyAbsenceAsync(@"partial $$");
[Fact]
public Task TestAfterNestedPartial()
=> VerifyKeywordAsync(
"""
class C {
partial $$
""");
[Fact]
public Task TestAfterNestedAbstract()
=> VerifyKeywordAsync(
"""
class C {
abstract $$
""");
[Fact]
public Task TestAfterNestedInternal()
=> VerifyKeywordAsync(
"""
class C {
internal $$
""");
[Fact]
public Task TestAfterNestedStaticPublic()
=> VerifyKeywordAsync(
"""
class C {
static public $$
""");
[Fact]
public Task TestAfterNestedPublicStatic()
=> VerifyKeywordAsync(
"""
class C {
public static $$
""");
[Fact]
public Task TestAfterVirtualPublic()
=> VerifyKeywordAsync(
"""
class C {
virtual public $$
""");
[Fact]
public Task TestAfterNestedPublic()
=> VerifyKeywordAsync(
"""
class C {
public $$
""");
[Fact]
public Task TestAfterNestedPrivate()
=> VerifyKeywordAsync(
"""
class C {
private $$
""");
[Fact]
public Task TestAfterNestedProtected()
=> VerifyKeywordAsync(
"""
class C {
protected $$
""");
[Fact]
public Task TestAfterNestedSealed()
=> VerifyKeywordAsync(
"""
class C {
sealed $$
""");
[Fact]
public Task TestAfterNestedStatic()
=> VerifyKeywordAsync(
"""
class C {
static $$
""");
[Fact]
public Task TestInLocalVariableDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"$$"));
[Fact]
public Task TestInForVariableDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"for ($$"));
[Fact]
public Task TestInForeachVariableDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"foreach ($$"));
[Fact]
public Task TestInUsingVariableDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"using ($$"));
[Fact]
public Task TestInFromVariableDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
@"var q = from $$"));
[Fact]
public Task TestInJoinVariableDeclaration()
=> VerifyKeywordAsync(AddInsideMethod(
"""
var q = from a in b
join $$
"""));
[Fact]
public Task TestAfterMethodOpenParen()
=> VerifyKeywordAsync(
"""
class C {
void Goo($$
""");
[Fact]
public Task TestAfterMethodComma()
=> VerifyKeywordAsync(
"""
class C {
void Goo(int i, $$
""");
[Fact]
public Task TestAfterMethodAttribute()
=> VerifyKeywordAsync(
"""
class C {
void Goo(int i, [Goo]$$
""");
[Fact]
public Task TestAfterConstructorOpenParen()
=> VerifyKeywordAsync(
"""
class C {
public C($$
""");
[Fact]
public Task TestAfterConstructorComma()
=> VerifyKeywordAsync(
"""
class C {
public C(int i, $$
""");
[Fact]
public Task TestAfterConstructorAttribute()
=> VerifyKeywordAsync(
"""
class C {
public C(int i, [Goo]$$
""");
[Fact]
public Task TestAfterDelegateOpenParen()
=> VerifyKeywordAsync(
@"delegate void D($$");
[Fact]
public Task TestAfterDelegateComma()
=> VerifyKeywordAsync(
@"delegate void D(int i, $$");
[Fact]
public Task TestAfterDelegateAttribute()
=> VerifyKeywordAsync(
@"delegate void D(int i, [Goo]$$");
[Fact]
public Task TestAfterThis()
=> VerifyKeywordAsync(
"""
static class C {
public static void Goo(this $$
""");
[Fact]
public Task TestAfterRef()
=> VerifyKeywordAsync(
"""
class C {
void Goo(ref $$
""");
[Fact]
public Task TestAfterOut()
=> VerifyKeywordAsync(
"""
class C {
void Goo(out $$
""");
[Fact]
public Task TestAfterLambdaRef()
=> VerifyKeywordAsync(
"""
class C {
void Goo() {
System.Func<int, int> f = (ref $$
""");
[Fact]
public Task TestAfterLambdaOut()
=> VerifyKeywordAsync(
"""
class C {
void Goo() {
System.Func<int, int> f = (out $$
""");
[Fact]
public Task TestAfterParams()
=> VerifyKeywordAsync(
"""
class C {
void Goo(params $$
""");
[Fact]
public Task TestNotInImplicitOperator()
=> VerifyAbsenceAsync(
"""
class C {
public static implicit operator $$
""");
[Fact]
public Task TestNotInExplicitOperator()
=> VerifyAbsenceAsync(
"""
class C {
public static explicit operator $$
""");
[Fact]
public Task TestAfterIndexerBracket()
=> VerifyKeywordAsync(
"""
class C {
int this[$$
""");
[Fact]
public Task TestAfterIndexerBracketComma()
=> VerifyKeywordAsync(
"""
class C {
int this[int i, $$
""");
[Fact]
public Task TestAfterNewInExpression()
=> VerifyKeywordAsync(AddInsideMethod(
@"new $$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
public Task TestNotInTypeOf()
=> VerifyAbsenceAsync(AddInsideMethod(
@"typeof($$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
public Task TestInDefault()
=> VerifyKeywordAsync(AddInsideMethod(
@"default($$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
public Task TestNotInSizeOf()
=> VerifyAbsenceAsync(AddInsideMethod(
@"sizeof($$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545303")]
public Task TestNotInPreProcessor()
=> VerifyAbsenceAsync(
"""
class Program
{
#region $$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/60341")]
public async Task TestNotAfterAsync()
=> await VerifyAbsenceAsync(@"class c { async $$ }");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/60341")]
public async Task TestNotAfterAsyncAsType()
=> await VerifyAbsenceAsync(@"class c { async async $$ }");
[Fact]
public Task TestInFunctionPointerType()
=> VerifyKeywordAsync("""
class C
{
delegate*<$$
""");
[Fact]
public Task TestInFunctionPointerTypeAfterComma()
=> VerifyKeywordAsync("""
class C
{
delegate*<int, $$
""");
[Fact]
public Task TestInFunctionPointerTypeAfterModifier()
=> VerifyKeywordAsync("""
class C
{
delegate*<ref $$
""");
[Fact]
public Task TestNotAfterDelegateAsterisk()
=> VerifyAbsenceAsync("""
class C
{
delegate*$$
""");
[Fact]
public Task TestWithinExtension()
=> VerifyKeywordAsync(
"""
static class C
{
extension(string s)
{
$$
}
}
""", CSharpNextParseOptions);
}
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