public IWpfTextView GetTextView()
{
if (_textView == null)
{
TestWorkspace.ResetThreadAffinity();
WpfTestCase.RequireWpfFact($"Creates an IWpfTextView through {nameof(TestHostDocument)}.{nameof(GetTextView)}");
var factory = _exportProvider.GetExportedValue <ITextEditorFactoryService>();
// Every default role but outlining. Starting in 15.2, the editor
// OutliningManager imports JoinableTaskContext in a way that's
// difficult to satisfy in our unit tests. Since we don't directly
// depend on it, just disable it
var roles = factory.CreateTextViewRoleSet(PredefinedTextViewRoles.Analyzable,
PredefinedTextViewRoles.Document,
PredefinedTextViewRoles.Editable,
PredefinedTextViewRoles.Interactive,
PredefinedTextViewRoles.Zoomable);
_textView = factory.CreateTextView(this.TextBuffer, roles);
if (this.CursorPosition.HasValue)
{
_textView.Caret.MoveTo(new SnapshotPoint(_textView.TextSnapshot, CursorPosition.Value));
}
else if (this.SelectedSpans.IsSingle())
{
var span = this.SelectedSpans.Single();
_textView.Selection.Select(new SnapshotSpan(_textView.TextSnapshot, new Span(span.Start, span.Length)), false);
}
}
return(_textView);
}
public IWpfTextView GetTextView()
{
if (_textView == null)
{
TestWorkspace.ResetThreadAffinity();
_textView = _exportProvider.GetExportedValue <ITextEditorFactoryService>().CreateTextView(this.TextBuffer);
if (this.CursorPosition.HasValue)
{
_textView.Caret.MoveTo(new SnapshotPoint(_textView.TextSnapshot, CursorPosition.Value));
}
else if (this.SelectedSpans.IsSingle())
{
var span = this.SelectedSpans.Single();
_textView.Selection.Select(new SnapshotSpan(_textView.TextSnapshot, new Span(span.Start, span.Length)), false);
}
}
return(_textView);
}