// 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 ContinueKeywordRecommenderTests : 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 TestEmptyStatement()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
@"$$"));
    }
 
    [Fact]
    public async Task TestBeforeStatement()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            $$
            return true;
            """));
    }
 
    [Fact]
    public async Task TestAfterStatement()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            return true;
            $$
            """));
    }
 
    [Fact]
    public async Task TestAfterBlock()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            if (true) {
            }
            $$
            """));
    }
 
    [Fact]
    public async Task TestAfterIf()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            if (true) 
                $$
            """));
    }
 
    [Fact]
    public async Task TestAfterDo()
    {
        await VerifyKeywordAsync(AddInsideMethod(
            """
            do 
                $$
            """));
    }
 
    [Fact]
    public async Task TestAfterWhile()
    {
        await VerifyKeywordAsync(AddInsideMethod(
            """
            while (true) 
                $$
            """));
    }
 
    [Fact]
    public async Task TestAfterFor()
    {
        await VerifyKeywordAsync(AddInsideMethod(
            """
            for (int i = 0; i < 10; i++) 
                $$
            """));
    }
 
    [Fact]
    public async Task TestAfterForeach()
    {
        await VerifyKeywordAsync(AddInsideMethod(
            """
            foreach (var v in bar)
                $$
            """));
    }
 
    [Fact]
    public async Task TestNotInsideLambda()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            foreach (var v in bar) {
               var d = () => {
                 $$
            """));
    }
 
    [Fact]
    public async Task TestOutsideLambda()
    {
        await VerifyKeywordAsync(AddInsideMethod(
            """
            foreach (var v in bar) {
               var d = () => {
               };
               $$
            """));
    }
 
    [Fact]
    public async Task TestNotInsideAnonymousMethod()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            foreach (var v in bar) {
               var d = delegate {
                 $$
            """));
    }
 
    [Fact]
    public async Task TestNotInsideSwitch()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
            """
            switch (a) {
                case 0:
                  $$
            """));
    }
 
    [Fact]
    public async Task TestNotAfterContinue()
    {
        await VerifyAbsenceAsync(AddInsideMethod(
@"continue $$"));
    }
 
    [Fact]
    public async Task TestNotInClass()
    {
        await VerifyAbsenceAsync("""
            class C
            {
              $$
            }
            """);
    }
}