third_party/WebKit/LayoutTests/editing/selection/selection-invalid-offset.html

   1 <body>
   2 You should see 7 OKs below (and not hang): <br>
   3 <script>
   4 if (window.testRunner)
   5     testRunner.dumpAsText();
   6 var body = document.body;
   7 var selection = window.getSelection();
   8
   9 function shouldThrowIndexSizeErrorException(script)
  10 {
  11     try {
  12         eval(script);
  13     } catch (e) {
  14         document.write(((e.code == DOMException.INDEX_SIZE_ERR) ? "OK" : "FAIL") + "<br>");
  15     }
  16 }
  17
  18 shouldThrowIndexSizeErrorException("selection.collapse(body, -1);");
  19 shouldThrowIndexSizeErrorException("selection.setBaseAndExtent(body, -1, body, 0);");
  20 shouldThrowIndexSizeErrorException("selection.setBaseAndExtent(body, 0, body, -1);");
  21 shouldThrowIndexSizeErrorException("selection.collapse(body, -1);");
  22 shouldThrowIndexSizeErrorException("selection.getRangeAt(-1);");
  23 shouldThrowIndexSizeErrorException("selection.getRangeAt(10000);");
  24 shouldThrowIndexSizeErrorException("selection.collapse(body, 10000);");
  25
  26 // these should throw as well but don't at the moment. Just checking they don't crash.
  27 selection.setBaseAndExtent(body, 1000, body, 0);
  28 selection.setBaseAndExtent(body, 0, body, 10000);
  29 </script>