third_party/WebKit/LayoutTests/web-animations-api/keyframe-exceptions.html

   1 <!DOCTYPE html>
   2 <script src="../resources/testharness.js"></script>
   3 <script src="../resources/testharnessreport.js"></script>
   4
   5 <script>
   6 function assert_throws_with_message(e, f, m) {
   7   try {
   8     f();
   9   } catch(exception) {
  10     assert_equals(exception.name, e);
  11     assert_equals(exception.message, m);
  12   }
  13 }
  14
  15 test(function() {
  16   assert_throws_with_message('InvalidModificationError',
  17     function() {
  18       document.documentElement.animate([
  19         {offset: 0.6},
  20         {offset: 0.4}
  21       ]);
  22     },
  23     "Failed to execute 'animate' on 'Element': Keyframes with specified offsets are not sorted"
  24   );
  25
  26   assert_throws_with_message('InvalidModificationError',
  27     function() {
  28       document.documentElement.animate([
  29         {offset: 'a donkey'}
  30       ]);
  31     },
  32     "Failed to execute 'animate' on 'Element': Non numeric offset provided"
  33   );
  34
  35   assert_throws_with_message('InvalidModificationError',
  36     function() {
  37       document.documentElement.animate([
  38         {offset: -1}
  39       ]);
  40     },
  41     "Failed to execute 'animate' on 'Element': Offsets provided outside the range [0, 1]"
  42   );
  43 });
  44 </script>