// 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 EnableKeywordRecommenderTests : KeywordRecommenderTests
{
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31130")]
    public async Task TestAfterNullable()
        => await VerifyKeywordAsync(@"#nullable $$");
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31130")]
    public async Task TestNotAfterNullableAndNewline()
    {
        await VerifyAbsenceAsync("""
            #nullable 
            $$
 
            """);
    }
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31130")]
    public async Task TestNotAfterHash()
        => await VerifyAbsenceAsync(@"#$$");
 
    [Fact]
    public async Task TestNotAtRoot_Interactive()
        => await VerifyAbsenceAsync(SourceCodeKind.Script, @"$$");
 
    [Fact]
    public async Task TestNotAfterClass_Interactive()
    {
        await VerifyAbsenceAsync(SourceCodeKind.Script,
            """
            class C { }
            $$
            """);
    }
 
    [Fact]
    public async Task TestNotAfterGlobalStatement_Interactive()
    {
        await VerifyAbsenceAsync(SourceCodeKind.Script,
            """
            System.Console.WriteLine();
            $$
            """);
    }
 
    [Fact]
    public async Task TestNotAfterGlobalVariableDeclaration_Interactive()
    {
        await VerifyAbsenceAsync(SourceCodeKind.Script,
            """
            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 TestNotInEmptyStatement()
        => await VerifyAbsenceAsync(AddInsideMethod(@"$$"));
 
    [Fact]
    public async Task TestNotAfterPragma()
        => await VerifyAbsenceAsync(@"#pragma $$");
 
    [Fact]
    public async Task TestAfterPragmaWarning()
        => await VerifyKeywordAsync(@"#pragma warning $$");
 
    [Fact]
    public async Task TestNotAfterPragmaWarningEnable()
        => await VerifyAbsenceAsync(@"#pragma warning enable $$");
}