third_party/WebKit/LayoutTests/fast/text/selection-exceptions.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 </head>
   5 <body>
   6     <script src="../../resources/js-test.js"></script>
   7     <script>
   8         description("This tests that 'Selection' methods throw exceptions with reasonable messages.");
   9
  10         shouldThrow('getSelection().collapse(document.documentElement, -1)', '"IndexSizeError: Failed to execute \'collapse\' on \'Selection\': -1 is not a valid offset."');
  11
  12         getSelection().empty();
  13         shouldThrow('getSelection().collapseToStart()', '"InvalidStateError: Failed to execute \'collapseToStart\' on \'Selection\': there is no selection."');
  14         shouldThrow('getSelection().collapseToEnd()', '"InvalidStateError: Failed to execute \'collapseToEnd\' on \'Selection\': there is no selection."');
  15
  16         shouldThrow('getSelection().setBaseAndExtent(document.documentElement, -1, document.documentElement, 0)', '"IndexSizeError: Failed to execute \'setBaseAndExtent\' on \'Selection\': -1 is not a valid base offset."');
  17         shouldThrow('getSelection().setBaseAndExtent(document.documentElement, 0, document.documentElement, -1)', '"IndexSizeError: Failed to execute \'setBaseAndExtent\' on \'Selection\': -1 is not a valid extent offset."');
  18
  19         shouldThrow('getSelection().collapse(document.documentElement, -1)', '"IndexSizeError: Failed to execute \'collapse\' on \'Selection\': -1 is not a valid offset."');
  20
  21         shouldThrow('getSelection().getRangeAt(-1)', '"IndexSizeError: Failed to execute \'getRangeAt\' on \'Selection\': -1 is not a valid index."');
  22
  23         shouldThrow('getSelection().extend(0, -1)', '"TypeError: Failed to execute \'extend\' on \'Selection\': parameter 1 is not of type \'Node\'."');
  24         shouldThrow('getSelection().extend(document.documentElement, -1)', '"IndexSizeError: Failed to execute \'extend\' on \'Selection\': -1 is not a valid offset."');
  25         shouldThrow('getSelection().extend(document.documentElement, 1000)', '"IndexSizeError: Failed to execute \'extend\' on \'Selection\': 1000 is larger than the given node\'s length."');
  26     </script>
  27 </body>
  28 </html>