<!doctype html>
<meta charset=utf-8>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../resources/testcommon.js"></script>
<style>
.init::before {
  content: '';
  height: 0px;
  width: 0px;
  opacity: 0;
  transition: all 100s;
}
.change::before {
  height: 100px;
  width: 100px;
  opacity: 1;
}
</style>
<body>
<div id="log"></div>
<script>
'use strict';

test(function(t) {
  var div = addDiv(t, { class: 'init' });
  flushComputedStyle(div);
  div.classList.add('change');

  // Sanity checks
  assert_equals(document.getAnimations().length, 3,
                'Got expected number of animations on document');
  var pseudoTarget = document.getAnimations()[0].effect.target;
  assert_class_string(pseudoTarget, 'CSSPseudoElement',
                      'Got pseudo-element target');

  // Check animations returned from the pseudo element are in correct order
  var anims = pseudoTarget.getAnimations();
  assert_equals(anims.length, 3,
                'Got expected number of animations on pseudo-element');
  assert_equals(anims[0].transitionProperty, 'height');
  assert_equals(anims[1].transitionProperty, 'opacity');
  assert_equals(anims[2].transitionProperty, 'width');
}, 'getAnimations sorts simultaneous transitions by name');

</script>
</body>