<!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>
@keyframes anim {
  to { transform: translate(100px) }
}
</style>
<body>
<div id="log"></div>
<script>
'use strict';

test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];
  div.style.animation = "";
  flushComputedStyle(div);

  assert_equals(animation.currentTime, null);
  animation.reverse();

  assert_equals(animation.currentTime, 100 * MS_PER_SEC,
    'animation.currentTime should be its effect end');
}, 'reverse() from idle state starts playing the animation');

</script>
</body>