internal static async Task TestIndentationAsync(int point, int?expectedIndentation, ITextView textView, TestHostDocument subjectDocument)
{
var textUndoHistory = new Mock <ITextUndoHistoryRegistry>();
var editorOperationsFactory = new Mock <IEditorOperationsFactoryService>();
var editorOperations = new Mock <IEditorOperations>();
editorOperationsFactory.Setup(x => x.GetEditorOperations(textView)).Returns(editorOperations.Object);
var snapshot = subjectDocument.TextBuffer.CurrentSnapshot;
var indentationLineFromBuffer = snapshot.GetLineFromPosition(point);
var commandHandler = new SmartTokenFormatterCommandHandler(textUndoHistory.Object, editorOperationsFactory.Object);
commandHandler.ExecuteCommand(new ReturnKeyCommandArgs(textView, subjectDocument.TextBuffer), () => { });
var newSnapshot = subjectDocument.TextBuffer.CurrentSnapshot;
int?actualIndentation;
if (newSnapshot.Version.VersionNumber > snapshot.Version.VersionNumber)
{
actualIndentation = newSnapshot.GetLineFromLineNumber(indentationLineFromBuffer.LineNumber).GetFirstNonWhitespaceOffset();
}
else
{
var provider = new SmartIndent(textView);
actualIndentation = await provider.GetDesiredIndentationAsync(indentationLineFromBuffer);
}
Assert.Equal(expectedIndentation, actualIndentation.Value);
}
public static async Task TestIndentationAsync(int indentationLine, int?expectedIndentation, TestWorkspace workspace)
{
var snapshot = workspace.Documents.First().TextBuffer.CurrentSnapshot;
var bufferGraph = new Mock <IBufferGraph>(MockBehavior.Strict);
bufferGraph.Setup(x => x.MapUpToSnapshot(It.IsAny <SnapshotPoint>(),
It.IsAny <PointTrackingMode>(),
It.IsAny <PositionAffinity>(),
It.IsAny <ITextSnapshot>()))
.Returns <SnapshotPoint, PointTrackingMode, PositionAffinity, ITextSnapshot>((p, m, a, s) =>
{
var factory = workspace.Services.GetService <IHostDependentFormattingRuleFactoryService>()
as TestFormattingRuleFactoryServiceFactory.Factory;
if (factory != null && factory.BaseIndentation != 0 && factory.TextSpan.Contains(p.Position))
{
var line = p.GetContainingLine();
var projectedOffset = line.GetFirstNonWhitespaceOffset().Value - factory.BaseIndentation;
return(new SnapshotPoint(p.Snapshot, p.Position - projectedOffset));
}
return(p);
});
var projectionBuffer = new Mock <ITextBuffer>(MockBehavior.Strict);
projectionBuffer.Setup(x => x.ContentType.DisplayName).Returns("None");
var textView = new Mock <ITextView>(MockBehavior.Strict);
textView.Setup(x => x.Options).Returns(TestEditorOptions.Instance);
textView.Setup(x => x.BufferGraph).Returns(bufferGraph.Object);
textView.SetupGet(x => x.TextSnapshot.TextBuffer).Returns(projectionBuffer.Object);
var provider = new SmartIndent(textView.Object);
var indentationLineFromBuffer = snapshot.GetLineFromLineNumber(indentationLine);
var actualIndentation = await provider.GetDesiredIndentationAsync(indentationLineFromBuffer);
Assert.Equal(expectedIndentation, actualIndentation);
}