<!doctype html>
<meta charset=utf-8>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../resources/testcommon.js"></script>
<body>
<div id="log"></div>
<script>
'use strict';

test(function(t) {
  assert_equals(document.getAnimations().length, 0,
    'getAnimations returns an empty sequence for a document'
    + ' with no animations');
}, 'getAnimations for non-animated content');

test(function(t) {
  var div = addDiv(t);

  // Add a couple of transitions
  div.style.left = '0px';
  div.style.top = '0px';
  getComputedStyle(div).transitionProperty;

  div.style.transition = 'all 100s';
  div.style.left = '100px';
  div.style.top = '100px';
  assert_equals(document.getAnimations().length, 2,
                'getAnimations returns two running CSS Transitions');

  // Remove both
  div.style.transitionProperty = 'none';
  assert_equals(document.getAnimations().length, 0,
                'getAnimations returns no running CSS Transitions');
}, 'getAnimations for CSS Transitions');

test(function(t) {
  addStyle(t, { '.init::after': 'content: ""; width: 0px; ' +
                                'transition: all 100s;',
                '.init::before': 'content: ""; height: 0px; ' +
                                 'transition: all 10s;',
                '.change::after': 'width: 100px;',
                '.change::before': 'height: 100px;' });
  // create two divs with these arrangement:
  //       parent
  //     ::before,
  //     ::after
  //        |
  //       child
  var parent = addDiv(t);
  var child = addDiv(t);
  parent.appendChild(child);

  parent.style.left = '0px';
  parent.style.transition = 'left 10s';
  parent.classList.add('init');
  child.style.left = '0px';
  child.style.transition = 'left 10s';
  flushComputedStyle(parent);

  parent.style.left = '100px';
  parent.classList.add('change');
  child.style.left = '100px';

  var anims = document.getAnimations();
  assert_equals(anims.length, 4,
                'CSS transition on both pseudo-elements and elements ' +
                'are returned');
  assert_equals(anims[0].effect.target, parent,
                'The animation targeting the parent element comes first');
  assert_equals(anims[1].transitionProperty, 'height',
                'The animation targeting the ::before element comes second');
  assert_equals(anims[2].transitionProperty, 'width',
                'The animation targeting the ::after element comes third');
  assert_equals(anims[3].effect.target, child,
                'The animation targeting the child element comes last');
}, 'CSS Transitions targetting (pseudo-)elements should have correct order ' +
   'after sorting');

async_test(function(t) {
  var div = addDiv(t, { style: 'left: 0px; transition: all 50ms' });
  flushComputedStyle(div);

  div.style.left = '100px';
  var animations = div.getAnimations();
  assert_equals(animations.length, 1, 'Got transition');
  animations[0].finished.then(t.step_func(function() {
    assert_equals(document.getAnimations().length, 0,
                  'No animations returned');
    t.done();
  }));
}, 'Transitions are not returned after they have finished');

</script>
</body>