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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.Linq;
using System.Text;
using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Operations;
using Roslyn.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Test.Utilities.TextStructureNavigation
{
public abstract class AbstractTextStructureNavigatorTests
{
protected abstract string ContentType { get; }
protected abstract EditorTestWorkspace CreateWorkspace(string code);
protected StringBuilder result = new StringBuilder();
protected void AssertExtent(string code)
{
using var workspace = CreateWorkspace(code);
var document = workspace.Documents.First();
var buffer = document.GetTextBuffer();
var provider = workspace.GetService<ITextStructureNavigatorProvider>(this.ContentType);
var navigator = provider.CreateTextStructureNavigator(buffer);
var position = document.CursorPosition!.Value;
var extent = navigator.GetExtentOfWord(new SnapshotPoint(buffer.CurrentSnapshot, position));
var annotatedSpans = document.AnnotatedSpans;
var (key, expectedSpans) = annotatedSpans.Single();
Assert.Equal(expectedSpans.Single(), extent.Span.Span.ToTextSpan());
if (extent.IsSignificant)
{
Assert.Equal("Significant", key);
}
else
{
Assert.Equal("Insignificant", key);
}
}
}
}
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