private bool IsTest(SnapshotSpan range, out string testFile, out int lineNumber)
{
ITextDocument textDocument = _textBuffer.GetTextDocument();
if (textDocument == null)
{
testFile = null;
lineNumber = -1;
return(false);
}
testFile = textDocument.FilePath;
return(range.FindTest(_view, _classifier, out lineNumber));
}
