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// 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;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.BracePairs;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Test.Utilities;
using Roslyn.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Test.Utilities.BracePairs
{
[UseExportProvider]
public abstract class AbstractBracePairsTests
{
protected abstract EditorTestWorkspace CreateWorkspace(string input);
public async Task Test(string test)
{
using var workspace = CreateWorkspace(test);
var document = workspace.CurrentSolution.Projects.Single().Documents.Single();
var service = document.GetRequiredLanguageService<IBracePairsService>();
var text = await document.GetTextAsync();
using var _ = ArrayBuilder<BracePairData>.GetInstance(out var bracePairs);
await service.AddBracePairsAsync(document, new TextSpan(0, text.Length), bracePairs, CancellationToken.None);
var expected = workspace.Documents.Single().AnnotatedSpans;
Assert.Equal(expected.Count, bracePairs.Count);
foreach (var bracePair in bracePairs)
{
if (!FindMatch(expected, bracePair))
AssertEx.Fail($"Unexpected brace pair: {bracePair}");
}
}
private static bool FindMatch(IDictionary<string, ImmutableArray<TextSpan>> expected, BracePairData bracePair)
{
foreach (var (_, expectedSpans) in expected)
{
Assert.Equal(2, expectedSpans.Length);
var sortedSpans = expectedSpans.Sort((s1, s2) => s1.Start - s2.Start);
if (sortedSpans.SequenceEqual(ImmutableArray.Create(bracePair.Start, bracePair.End)))
return true;
}
return false;
}
}
}
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