// 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 Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations
{
    [Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
    public class MethodKeywordRecommenderTests : KeywordRecommenderTests
    {
        [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 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(
@"[$$");
        }
 
        [Fact]
        public async Task TestNotInParameterAttribute()
        {
            await VerifyAbsenceAsync(
@"class C {
    void Goo([$$");
        }
 
        [Fact]
        public async Task TestInPropertyAttribute1()
        {
            await VerifyKeywordAsync(
@"class C {
    int Goo { [$$");
        }
 
        [Fact]
        public async Task TestInPropertyAttribute2()
        {
            await VerifyKeywordAsync(
@"class C {
    int Goo { get { } [$$");
        }
 
        [Fact]
        public async Task TestInEventAttribute1()
        {
            await VerifyKeywordAsync(
@"class C {
    event Action<int> Goo { [$$");
        }
 
        [Fact]
        public async Task TestInEventAttribute2()
        {
            await VerifyKeywordAsync(
@"class C {
    event Action<int> Goo { add { } [$$");
        }
 
        [Fact]
        public async Task TestNotInTypeParameters()
        {
            await VerifyAbsenceAsync(
@"class C<[$$");
        }
 
        [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 {
    [$$");
        }
    }
}