private static LineRange expandLineRangeToCoverPsiElements(
     final LineRange range, Editor editor, final PsiFile file) {
   Pair<PsiElement, PsiElement> psiRange = getElementRange(editor, file, range);
   if (psiRange == null) return null;
   final PsiElement parent =
       PsiTreeUtil.findCommonParent(psiRange.getFirst(), psiRange.getSecond());
   Pair<PsiElement, PsiElement> elementRange =
       getElementRange(parent, psiRange.getFirst(), psiRange.getSecond());
   if (elementRange == null) return null;
   int endOffset = elementRange.getSecond().getTextRange().getEndOffset();
   Document document = editor.getDocument();
   if (endOffset > document.getTextLength()) {
     LOG.assertTrue(!PsiDocumentManager.getInstance(file.getProject()).isUncommited(document));
     LOG.assertTrue(PsiDocumentManagerImpl.checkConsistency(file, document));
   }
   int endLine;
   if (endOffset == document.getTextLength()) {
     endLine = document.getLineCount();
   } else {
     endLine = editor.offsetToLogicalPosition(endOffset).line + 1;
     endLine = Math.min(endLine, document.getLineCount());
   }
   int startLine =
       Math.min(
           range.startLine,
           editor.offsetToLogicalPosition(elementRange.getFirst().getTextOffset()).line);
   endLine = Math.max(endLine, range.endLine);
   return new LineRange(startLine, endLine);
 }
 @TestOnly
 public void checkAllTreesEqual() {
   Collection<PsiFile> roots = myRoots.values();
   PsiDocumentManager documentManager = PsiDocumentManager.getInstance(getManager().getProject());
   documentManager.commitAllDocuments();
   for (PsiFile root : roots) {
     Document document = documentManager.getDocument(root);
     PsiDocumentManagerImpl.checkConsistency(root, document);
     assert root.getText().equals(document.getText());
   }
 }