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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.Tasks;
using Microsoft.CodeAnalysis.CSharp.Test.Utilities;
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 EventKeywordRecommenderTests : KeywordRecommenderTests
{
[Fact]
public Task TestAtRoot_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
@"$$");
[Fact]
public Task TestAfterClass_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
class C { }
$$
""");
[Fact]
public Task TestAfterGlobalStatement_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
System.Console.WriteLine();
$$
""");
[Fact]
public Task TestAfterGlobalVariableDeclaration_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
int i = 0;
$$
""");
[Fact]
public Task TestNotInUsingAlias()
=> VerifyAbsenceAsync(
@"using Goo = $$");
[Fact]
public Task TestNotInGlobalUsingAlias()
=> VerifyAbsenceAsync(
@"global using Goo = $$");
[Fact]
public Task TestNotInEmptyStatement()
=> VerifyAbsenceAsync(AddInsideMethod(
@"$$"));
[Fact]
public async Task TestNotInCompilationUnit()
=> await VerifyAbsenceAsync(SourceCodeKind.Regular, @"$$");
[Fact]
public Task TestNotAfterExtern()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
extern alias Goo;
$$
""");
[Fact]
public Task TestAfterExtern_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script, """
extern alias Goo;
$$
""");
[Fact]
public Task TestNotAfterUsing()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
using Goo;
$$
""");
[Fact]
public Task TestAfterUsing_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script, """
using Goo;
$$
""");
[Fact]
public Task TestNotAfterGlobalUsing()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
global using Goo;
$$
""");
[Fact]
public Task TestAfterGlobalUsing_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script, """
global using Goo;
$$
""");
[Fact]
public Task TestNotAfterNamespace()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
namespace N {}
$$
""");
[Fact]
public Task TestNotAfterTypeDeclaration()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
class C {}
$$
""");
[Fact]
public Task TestNotAfterDelegateDeclaration()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
delegate void Goo();
$$
""");
[Fact]
public Task TestAfterMethod()
=> VerifyKeywordAsync(
"""
class C {
void Goo() {}
$$
""");
[Fact]
public Task TestAfterEvent()
=> VerifyKeywordAsync(
"""
class C {
int i;
$$
""");
[Fact]
public Task TestAfterProperty()
=> VerifyKeywordAsync(
"""
class C {
int i { get; }
$$
""");
[Fact]
public Task TestNotBeforeUsing()
=> VerifyAbsenceAsync(SourceCodeKind.Regular,
"""
$$
using Goo;
""");
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/9880")]
public Task TestNotBeforeUsing_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
$$
using Goo;
""");
[Fact]
public Task TestNotBeforeGlobalUsing()
=> VerifyAbsenceAsync(SourceCodeKind.Regular,
"""
$$
global using Goo;
""");
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/9880")]
public Task TestNotBeforeGlobalUsing_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
$$
global using Goo;
""");
[Fact]
public Task TestNotAfterAssemblyAttribute()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
[assembly: goo]
$$
""");
[Fact]
public Task TestAfterAssemblyAttribute_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script, """
[assembly: goo]
$$
""");
[Fact]
public Task TestNotAfterRootAttribute()
=> VerifyAbsenceAsync(SourceCodeKind.Regular, """
[goo]
$$
""");
[Fact]
public Task TestAfterRootAttribute_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script, """
[goo]
$$
""");
[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 Task TestInsideRecord()
=> VerifyWorkerAsync(
"""
record C(int i, int j) {
$$
""", absent: false, options: TestOptions.RegularPreview);
[Theory, CombinatorialData]
public Task TestPartialMember(
[CombinatorialValues("class", "record", "struct", "interface")] string kind)
=> VerifyKeywordAsync(
$$"""
{{kind}} C {
partial $$
""");
[Fact]
public async Task TestNotAfterPartial()
=> await VerifyAbsenceAsync(@"partial $$");
[Fact]
public async Task TestNotAfterAbstract()
=> await VerifyAbsenceAsync(@"abstract $$");
[Fact]
public async Task TestNotAfterInternal()
=> await VerifyAbsenceAsync(SourceCodeKind.Regular, @"internal $$");
[Fact]
public async Task TestAfterInternal_Interactive()
=> await VerifyKeywordAsync(SourceCodeKind.Script, @"internal $$");
[Fact]
public Task TestAfterNestedInternal()
=> VerifyKeywordAsync(
"""
class C {
internal $$
""");
[Fact]
public async Task TestNotAfterPublic()
=> await VerifyAbsenceAsync(SourceCodeKind.Regular, @"public $$");
[Fact]
public async Task TestAfterPublic_Interactive()
=> await VerifyKeywordAsync(SourceCodeKind.Script, @"public $$");
[Fact]
public Task TestAfterNestedPublic()
=> VerifyKeywordAsync(
"""
class C {
public $$
""");
[Fact]
public Task TestNotAfterPrivate()
=> VerifyAbsenceAsync(SourceCodeKind.Regular,
@"private $$");
[Fact]
public Task TestAfterPrivate_Script()
=> VerifyKeywordAsync(SourceCodeKind.Script,
@"private $$");
[Fact]
public Task TestAfterNestedPrivate()
=> VerifyKeywordAsync(
"""
class C {
private $$
""");
[Fact]
public Task TestNotAfterProtected()
=> VerifyAbsenceAsync(
@"protected $$");
[Fact]
public Task TestAfterNestedProtected()
=> VerifyKeywordAsync(
"""
class C {
protected $$
""");
[Fact]
public async Task TestNotAfterSealed()
=> await VerifyAbsenceAsync(@"sealed $$");
[Fact]
public Task TestAfterNestedSealed()
=> VerifyKeywordAsync(
"""
class C {
sealed $$
""");
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543975")]
public Task TestAfterUnsafe()
=> VerifyKeywordAsync(
"""
class C {
unsafe $$
""");
[Fact]
public async Task TestNotAfterStatic()
=> await VerifyAbsenceAsync(SourceCodeKind.Regular, @"static $$");
[Fact]
public async Task TestAfterStatic_Interactive()
=> await VerifyKeywordAsync(SourceCodeKind.Script, @"static $$");
[Fact]
public Task TestAfterStatic()
=> VerifyKeywordAsync(
"""
class C {
static $$
""");
[Fact]
public async Task TestNotAfterStaticPublic()
=> await VerifyAbsenceAsync(SourceCodeKind.Regular, @"static public $$");
[Fact]
public async Task TestAfterStaticPublic_Interactive()
=> await VerifyKeywordAsync(SourceCodeKind.Script, @"static public $$");
[Fact]
public Task TestAfterNestedStaticPublic()
=> VerifyKeywordAsync(
"""
class C {
static public $$
""");
[Fact]
public async Task TestNotAfterDelegate()
=> await VerifyAbsenceAsync(@"delegate $$");
[Fact]
public Task TestNotAfterEvent()
=> VerifyAbsenceAsync(
"""
class C {
event $$
""");
[Fact]
public Task TestNotAfterNested()
=> VerifyAbsenceAsync(
@"new $$");
[Fact]
public Task TestAfterNestedNew()
=> VerifyKeywordAsync(
"""
class C {
new $$
""");
[Fact]
public Task TestInAttributeInsideClass()
=> VerifyKeywordAsync(
"""
class C {
[$$
""");
[Fact]
public Task TestInAttributeAfterAttributeInsideClass()
=> VerifyKeywordAsync(
"""
class C {
[Goo]
[$$
""");
[Fact]
public Task TestInAttributeAfterMethod()
=> VerifyKeywordAsync(
"""
class C {
void Goo() {
}
[$$
""");
[Fact]
public Task TestInAttributeAfterProperty()
=> VerifyKeywordAsync(
"""
class C {
int Goo {
get;
}
[$$
""");
[Fact]
public Task TestInAttributeAfterField()
=> VerifyKeywordAsync(
"""
class C {
int Goo;
[$$
""");
[Fact]
public Task TestInAttributeAfterEvent()
=> VerifyKeywordAsync(
"""
class C {
event Action<int> Goo;
[$$
""");
[Fact]
public Task TestNotInOuterAttribute()
=> VerifyAbsenceAsync(
@"[$$");
[Fact]
public Task TestNotInParameterAttribute()
=> VerifyAbsenceAsync(
"""
class C {
void Goo([$$
""");
[Fact]
public Task TestNotInPropertyAttribute()
=> VerifyAbsenceAsync(
"""
class C {
int Goo { [$$
""");
[Fact]
public Task TestNotInEventAttribute()
=> VerifyAbsenceAsync(
"""
class C {
event Action<int> Goo { [$$
""");
[Fact]
public Task TestNotInTypeParameters()
=> VerifyAbsenceAsync(
@"class C<[$$");
[Fact]
public Task TestInInterface()
=> VerifyKeywordAsync(
"""
interface I {
[$$
""");
[Fact]
public Task TestInStruct()
=> VerifyKeywordAsync(
"""
struct S {
[$$
""");
[Fact]
public Task TestNotInEnum()
=> VerifyAbsenceAsync(
"""
enum E {
[$$
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/68399")]
public Task TestNotInRecordParameterAttribute()
=> VerifyAbsenceAsync(
"""
record R([$$] int i) { }
""");
[Fact]
public Task TestWithinExtension()
=> VerifyKeywordAsync(
"""
static class C
{
extension(string s)
{
$$
}
}
""",
CSharpNextParseOptions,
CSharpNextScriptParseOptions);
}
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