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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.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations;
[Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
public sealed class ReturnKeywordRecommenderTests : KeywordRecommenderTests
{
[Fact]
public async Task TestNotAtRoot_Interactive()
{
await VerifyAbsenceAsync(SourceCodeKind.Script,
@"$$");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/57121")]
public async Task TestAtRoot_Regular()
{
await VerifyKeywordAsync(SourceCodeKind.Regular,
@"$$");
}
[Fact]
public async Task TestNotAfterClass_Interactive()
{
await VerifyAbsenceAsync(SourceCodeKind.Script,
"""
class C { }
$$
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/57121")]
public async Task TestAfterClass_Regular()
{
await VerifyKeywordAsync(SourceCodeKind.Regular,
"""
class C { }
$$
""");
}
[Fact]
public async Task TestNotAfterGlobalStatement_Interactive()
{
await VerifyAbsenceAsync(SourceCodeKind.Script,
"""
System.Console.WriteLine();
$$
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/57121")]
public async Task TestAfterGlobalStatement_Regular()
{
await VerifyKeywordAsync(SourceCodeKind.Regular,
"""
System.Console.WriteLine();
$$
""");
}
[Fact]
public async Task TestNotAfterGlobalVariableDeclaration_Interactive()
{
await VerifyAbsenceAsync(SourceCodeKind.Script,
"""
int i = 0;
$$
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/57121")]
public async Task TestAfterGlobalVariableDeclaration_Regular()
{
await VerifyKeywordAsync(SourceCodeKind.Regular,
"""
int i = 0;
$$
""");
}
[Fact]
public async Task TestNotInUsingAlias()
{
await VerifyAbsenceAsync(
@"using Goo = $$");
}
[Fact]
public async Task TestNotInGlobalUsingAlias()
{
await VerifyAbsenceAsync(
@"global using Goo = $$");
}
[Fact]
public async Task TestIncompleteStatementAttributeList()
{
await VerifyKeywordAsync(AddInsideMethod(
@"[$$"));
}
[Fact]
public async Task TestStatementAttributeList()
{
await VerifyKeywordAsync(AddInsideMethod(
@"[$$Attr]"));
}
[Fact]
public async Task TestLocalFunctionAttributeList()
{
await VerifyKeywordAsync(AddInsideMethod(
@"[$$Attr] void local1() { }"));
}
[Fact]
public async Task TestNotInLocalFunctionParameterAttributeList()
{
await VerifyAbsenceAsync(AddInsideMethod(
@"void local1([$$Attr] int i) { }"));
}
[Fact]
public async Task TestNotInLocalFunctionTypeParameterAttributeList()
{
await VerifyAbsenceAsync(AddInsideMethod(
@"void local1<[$$Attr] T>() { }"));
}
[Fact]
public async Task TestEmptyStatement()
{
await VerifyKeywordAsync(AddInsideMethod(
@"$$"));
}
[Fact]
public async Task TestAfterAwait()
{
await VerifyAbsenceAsync(
"""
class C
{
async void M()
{
await $$
}
}
""");
}
[Fact]
public async Task TestBeforeStatement()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
$$
return true;
"""));
}
[Fact]
public async Task TestAfterStatement()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
return true;
$$
"""));
}
[Fact]
public async Task TestAfterBlock()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
if (true) {
}
$$
"""));
}
[Fact]
public async Task TestNotAfterReturn()
{
await VerifyAbsenceAsync(AddInsideMethod(
@"return $$"));
}
[Fact]
public async Task TestAfterYield()
{
await VerifyKeywordAsync(AddInsideMethod(
@"yield $$"));
}
[Fact]
public async Task TestNotInClass()
{
await VerifyAbsenceAsync("""
class C
{
$$
}
""");
}
[Fact]
public async Task TestInAttributeInsideClass()
{
await VerifyKeywordAsync(
"""
class C {
[$$
""");
}
[Fact]
public async Task TestInAttributeAfterAttributeInsideClass()
{
await VerifyKeywordAsync(
"""
class C {
[Goo]
[$$
""");
}
[Fact]
public async Task TestInAttributeAfterMethod()
{
await VerifyKeywordAsync(
"""
class C {
void Goo() {
}
[$$
""");
}
[Fact]
public async Task TestInAttributeAfterProperty()
{
await VerifyKeywordAsync(
"""
class C {
int Goo {
get;
}
[$$
""");
}
[Fact]
public async Task TestInAttributeAfterField()
{
await VerifyKeywordAsync(
"""
class C {
int Goo;
[$$
""");
}
[Fact]
public async Task TestInAttributeAfterEvent()
{
await VerifyKeywordAsync(
"""
class C {
event Action<int> Goo;
[$$
""");
}
[Fact]
public async Task TestNotInOuterAttribute()
{
await VerifyAbsenceAsync(SourceCodeKind.Regular,
@"[$$");
}
[Fact]
public async Task TestInOuterAttributeScripting()
{
await VerifyKeywordAsync(SourceCodeKind.Script,
@"[$$");
}
[Fact]
public async Task TestNotInParameterAttribute()
{
await VerifyAbsenceAsync(
"""
class C {
void Goo([$$
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/71200")]
public async Task TestInPropertyAttribute()
{
await VerifyKeywordAsync(
"""
class C {
int Goo { [$$
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/71200")]
public async Task TestInEventAttribute()
{
await VerifyKeywordAsync(
"""
class C {
event Action<int> Goo { [$$
""");
}
[Fact]
public async Task TestNotInClassReturnParameters()
{
await VerifyAbsenceAsync(
@"class C<[$$");
}
[Fact]
public async Task TestNotInDelegateReturnParameters()
{
await VerifyAbsenceAsync(
@"delegate void D<[$$");
}
[Fact]
public async Task TestNotInMethodReturnParameters()
{
await VerifyAbsenceAsync(
"""
class C {
void M<[$$
""");
}
[Fact]
public async Task TestInInterface()
{
await VerifyKeywordAsync(
"""
interface I {
[$$
""");
}
[Fact]
public async Task TestInStruct()
{
await VerifyKeywordAsync(
"""
struct S {
[$$
""");
}
[Fact]
public async Task TestNotInEnum()
{
await VerifyAbsenceAsync(
"""
enum E {
[$$
""");
}
[Fact]
public async Task TestAfterElse()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
if (goo) {
} else $$
"""));
}
[Fact]
public async Task TestAfterElseClause()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
if (goo) {
} else {
}
$$
"""));
}
[Fact]
public async Task TestAfterFixed()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
fixed (byte* pResult = result) {
}
$$
"""));
}
[Fact]
public async Task TestAfterSwitch()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
switch (goo) {
}
$$
"""));
}
[Fact]
public async Task TestAfterCatch()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
try {
} catch {
}
$$
"""));
}
[Fact]
public async Task TestAfterFinally()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
try {
} finally {
}
$$
"""));
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/68399")]
public async Task TestNotInRecordParameterAttribute()
{
await VerifyAbsenceAsync(
"""
record R([$$] int i) { }
""");
}
}
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