// 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.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Structure;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Structure;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Structure
{
    [Trait(Traits.Feature, Traits.Features.Outlining)]
    public class EnumDeclarationStructureTests : AbstractCSharpSyntaxNodeStructureTests<EnumDeclarationSyntax>
    {
        internal override AbstractSyntaxStructureProvider CreateProvider() => new EnumDeclarationStructureProvider();
 
        [Fact]
        public async Task TestEnum1()
        {
            const string code = @"
{|hint:$$enum E{|textspan:
{
}|}|}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: false));
        }
 
        [Theory]
        [InlineData("enum")]
        [InlineData("struct")]
        [InlineData("class")]
        [InlineData("interface")]
        public async Task TestEnum2(string typeKind)
        {
            var code = $@"
{{|hint:$$enum E{{|textspan:
{{
}}|}}|}}
{typeKind} Following
{{
}}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: false));
        }
 
        [Theory]
        [InlineData("enum")]
        [InlineData("struct")]
        [InlineData("class")]
        [InlineData("interface")]
        public async Task TestEnum3(string typeKind)
        {
            var code = $@"
{{|hint:$$enum E{{|textspan:
{{
}}|}}|}}
 
{typeKind} Following
{{
}}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: false));
        }
 
        [Fact]
        public async Task TestEnumWithLeadingComments()
        {
            const string code = @"
{|span1:// Goo
// Bar|}
{|hint2:$$enum E{|textspan2:
{
}|}|}";
 
            await VerifyBlockSpansAsync(code,
                Region("span1", "// Goo ...", autoCollapse: true),
                Region("textspan2", "hint2", CSharpStructureHelpers.Ellipsis, autoCollapse: false));
        }
 
        [Fact]
        public async Task TestEnumWithNestedComments()
        {
            const string code = @"
{|hint1:$$enum E{|textspan1:
{
    {|span2:// Goo
    // Bar|}
}|}|}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan1", "hint1", CSharpStructureHelpers.Ellipsis, autoCollapse: false),
                Region("span2", "// Goo ...", autoCollapse: true));
        }
    }
}