// 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.
 
#nullable disable
 
using System;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.KeywordHighlighting.KeywordHighlighters;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.KeywordHighlighting;
 
[Trait(Traits.Feature, Traits.Features.KeywordHighlighting)]
public class ConditionalPreprocessorHighlighterTests : AbstractCSharpKeywordHighlighterTests
{
    internal override Type GetHighlighterType()
        => typeof(ConditionalPreprocessorHighlighter);
 
    [Fact]
    public async Task TestExample1_1()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
 
 
                    #define Debug
            #undef Trace
                class PurchaseTransaction
                {
                    void Commit()
                    {
            {|Cursor:[|#if|]|} Debug
                        CheckConsistency();
            #if Trace
                            WriteToLog(this.ToString());
            #else
                        Exit();
            #endif
            [|#endif|]
                        CommitHelper();
                    }
                }
            }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample1_2()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
 
 
                    #define Debug
            #undef Trace
                class PurchaseTransaction
                {
                    void Commit()
                    {
            [|#if|] Debug
                        CheckConsistency();
            #if Trace
                            WriteToLog(this.ToString());
            #else
                        Exit();
            #endif
            {|Cursor:[|#endif|]|}
                        CommitHelper();
                    }
                }
            }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample2_1()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
 
 
                    #define Debug
            #undef Trace
                class PurchaseTransaction
                {
                    void Commit()
                    {
            #if Debug
                        CheckConsistency();
            {|Cursor:[|#if|]|} Trace
                            WriteToLog(this.ToString());
            [|#else|]
                        Exit();
            [|#endif|]
            #endif
                        CommitHelper();
                    }
                }
            }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample2_2()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
 
 
                    #define Debug
            #undef Trace
                class PurchaseTransaction
                {
                    void Commit()
                    {
            #if Debug
                        CheckConsistency();
            [|#if|] Trace
                            WriteToLog(this.ToString());
            {|Cursor:[|#else|]|}
                        Exit();
            [|#endif|]
            #endif
                        CommitHelper();
                    }
                }
            }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample2_3()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
 
 
                    #define Debug
            #undef Trace
                class PurchaseTransaction
                {
                    void Commit()
                    {
            #if Debug
                        CheckConsistency();
            [|#if|] Trace
                            WriteToLog(this.ToString());
            [|#else|]
                        Exit();
            {|Cursor:[|#endif|]|}
            #endif
                        CommitHelper();
                    }
                }
            }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample4_1()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
            #define Goo1
            #define Goo2
 
            {|Cursor:[|#if|]|} Goo1
 
            [|#elif|] Goo2
 
            [|#else|]
 
            [|#endif|]
                }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample4_2()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
            #define Goo1
            #define Goo2
 
            [|#if|] Goo1
 
            {|Cursor:[|#elif|]|} Goo2
 
            [|#else|]
 
            [|#endif|]
                }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample4_3()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
            #define Goo1
            #define Goo2
 
            [|#if|] Goo1
 
            [|#elif|] Goo2
 
            {|Cursor:[|#else|]|}
 
            [|#endif|]
                }
            }
            """);
    }
 
    [Fact]
    public async Task TestExample4_4()
    {
        await TestAsync(
            """
            class C
            {
                void M()
                {
            #define Goo1
            #define Goo2
 
            [|#if|] Goo1
 
            [|#elif|] Goo2
 
            [|#else|]
 
            {|Cursor:[|#endif|]|}
                }
            }
            """);
    }
}