chrome/test/data/webui/command_test.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <title>cr.ui.Command test</title>
   5 </head>
   6 <body>
   7 <command></command>
   8 <script>
   9
  10 function testCommandDefaultPrevented() {
  11   var calls = 0;
  12   document.addEventListener('canExecute', function(e) {
  13     ++calls;
  14     assertFalse(e.defaultPrevented);
  15     e.canExecute = true;
  16     assertTrue(e.defaultPrevented);
  17   });
  18
  19   cr.ui.decorate('command', cr.ui.Command);
  20   document.querySelector('command').canExecuteChange();
  21   assertEquals(1, calls);
  22 }
  23
  24 </script>
  25 </body>
  26 </html>