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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.
#nullable disable
using System;
using System.Linq;
using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.CodeAnalysis.Text.Shared.Extensions;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Text.Projection;
using Microsoft.VisualStudio.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.UnitTests.Extensions;
[UseExportProvider]
public class IProjectionBufferFactoryServiceExtensionsTests
{
[Fact]
public void TestCreateElisionBufferWithoutIndentation()
{
var exportProvider = EditorTestCompositions.Editor.ExportProviderFactory.CreateExportProvider();
var contentTypeRegistryService = exportProvider.GetExportedValue<IContentTypeRegistryService>();
var textBuffer = exportProvider.GetExportedValue<ITextBufferFactoryService>().CreateTextBuffer(
@" line 1
line 2
line 3", contentTypeRegistryService.GetContentType("text"));
var elisionBuffer = IProjectionBufferFactoryServiceExtensions.CreateProjectionBufferWithoutIndentation(
exportProvider.GetExportedValue<IProjectionBufferFactoryService>(),
exportProvider.GetExportedValue<IEditorOptionsFactoryService>().GlobalOptions,
contentType: null,
exposedSpans: textBuffer.CurrentSnapshot.GetFullSpan());
var elisionSnapshot = elisionBuffer.CurrentSnapshot;
Assert.Equal(3, elisionSnapshot.LineCount);
foreach (var line in elisionSnapshot.Lines)
{
Assert.True(line.GetText().StartsWith("line", StringComparison.Ordinal));
}
}
[Fact]
public void TestCreateProjectionBuffer()
{
var composition = EditorTestCompositions.EditorFeatures;
var exportProvider = composition.ExportProviderFactory.CreateExportProvider();
var contentTypeRegistryService = exportProvider.GetExportedValue<IContentTypeRegistryService>();
var textBuffer = exportProvider.GetExportedValue<ITextBufferFactoryService>().CreateTextBuffer(
@" line 1
line 2
line 3
line 4", contentTypeRegistryService.GetContentType("text"));
var projectionBuffer = IProjectionBufferFactoryServiceExtensions.CreateProjectionBuffer(
exportProvider.GetExportedValue<IProjectionBufferFactoryService>(),
exportProvider.GetExportedValue<IContentTypeRegistryService>(),
exportProvider.GetExportedValue<IEditorOptionsFactoryService>().GlobalOptions,
textBuffer.CurrentSnapshot,
"...",
LineSpan.FromBounds(1, 2), LineSpan.FromBounds(3, 4));
var projectionSnapshot = projectionBuffer.CurrentSnapshot;
Assert.Equal(4, projectionSnapshot.LineCount);
var lines = projectionSnapshot.Lines.ToList();
Assert.Equal("...", lines[0].GetText());
Assert.Equal(" line 2", lines[1].GetText());
Assert.Equal("...", lines[2].GetText());
Assert.Equal(" line 4", lines[3].GetText());
}
[Fact]
public void TestCreateProjectionBufferWithoutIndentation()
{
var composition = EditorTestCompositions.EditorFeatures;
var exportProvider = composition.ExportProviderFactory.CreateExportProvider();
var contentTypeRegistryService = exportProvider.GetExportedValue<IContentTypeRegistryService>();
var textBuffer = exportProvider.GetExportedValue<ITextBufferFactoryService>().CreateTextBuffer(
@" line 1
line 2
line 3
line 4", contentTypeRegistryService.GetContentType("text"));
var projectionBuffer = IProjectionBufferFactoryServiceExtensions.CreateProjectionBufferWithoutIndentation(
exportProvider.GetExportedValue<IProjectionBufferFactoryService>(),
exportProvider.GetExportedValue<IContentTypeRegistryService>(),
exportProvider.GetExportedValue<IEditorOptionsFactoryService>().GlobalOptions,
textBuffer.CurrentSnapshot,
"...",
LineSpan.FromBounds(0, 1), LineSpan.FromBounds(2, 4));
var projectionSnapshot = projectionBuffer.CurrentSnapshot;
Assert.Equal(4, projectionSnapshot.LineCount);
var lines = projectionSnapshot.Lines.ToList();
Assert.Equal("line 1", lines[0].GetText());
Assert.Equal("...", lines[1].GetText());
Assert.Equal("line 3", lines[2].GetText());
Assert.Equal(" line 4", lines[3].GetText());
}
}
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