// 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 sealed class GetKeywordRecommenderTests : 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 TestAfterProperty()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertyPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertyAttribute()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { [Bar] $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertyAttributeAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { [Bar] private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertySet()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set; $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertySetAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set; private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertySetAndAttribute()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set; [Bar] $$
            """);
    }
 
    [Fact]
    public async Task TestAfterPropertySetAndAttributeAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set; [Bar] private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterSetAccessorBlock()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set { } $$
            """);
    }
 
    [Fact]
    public async Task TestAfterSetAccessorBlockAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set { } private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterSetAccessorBlockAndAttribute()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set { } [Bar] $$
            """);
    }
 
    [Fact]
    public async Task TestAfterSetAccessorBlockAndAttributeAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int Goo { set { } [Bar] private $$
            """);
    }
 
    [Fact]
    public async Task TestNotAfterPropertyGetKeyword()
    {
        await VerifyAbsenceAsync(
            """
            class C {
               int Goo { get $$
            """);
    }
 
    [Fact]
    public async Task TestNotAfterPropertyGetAccessor()
    {
        await VerifyAbsenceAsync(
            """
            class C {
               int Goo { get; $$
            """);
    }
 
    [Fact]
    public async Task TestNotInEvent()
    {
        await VerifyAbsenceAsync(
            """
            class C {
               event Goo E { $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexer()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerAttribute()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { [Bar] $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerAttributeAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { [Bar] private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSet()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set; $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set; private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetAndAttribute()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set; [Bar] $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetAndAttributeAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set; [Bar] private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetBlock()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set { } $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetBlockAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set { } private $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetBlockAndAttribute()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set { } [Bar] $$
            """);
    }
 
    [Fact]
    public async Task TestAfterIndexerSetBlockAndAttributeAndPrivate()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { set { } [Bar] private $$
            """);
    }
 
    [Fact]
    public async Task TestNotAfterIndexerGetKeyword()
    {
        await VerifyAbsenceAsync(
            """
            class C {
               int this[int i] { get $$
            """);
    }
 
    [Fact]
    public async Task TestNotAfterIndexerGetAccessor()
    {
        await VerifyAbsenceAsync(
            """
            class C {
               int this[int i] { get; $$
            """);
    }
 
    [Fact]
    public async Task TestBeforeSemicolon()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { $$; }
            """);
    }
 
    [Fact]
    public async Task TestAfterProtectedInternal()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { protected internal $$ }
            """);
    }
 
    [Fact]
    public async Task TestAfterInternalProtected()
    {
        await VerifyKeywordAsync(
            """
            class C {
               int this[int i] { internal protected $$ }
            """);
    }
}