// 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 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 $$");
    }
}