<!doctype html>
<meta charset=utf-8>
<script src="../testcommon.js"></script>
<style>
@keyframes move {
100% {
transform: translateX(100px);
}
}
</style>
<body>
<script>
'use strict';
test(function(t) {
var div = addDiv(t, { style: 'animation: move 100s infinite' });
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
div.style.display = 'none';
assert_equals(div.getAnimations().length, 0,
'display:none element has no animations');
}, 'Animation stops playing when the element style display is set to "none"');
test(function(t) {
var parentElement = addDiv(t);
var div = addDiv(t, { style: 'animation: move 100s infinite' });
parentElement.appendChild(div);
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
parentElement.style.display = 'none';
assert_equals(div.getAnimations().length, 0,
'Element in display:none subtree has no animations');
}, 'Animation stops playing when its parent element style display is set ' +
'to "none"');
test(function(t) {
var div = addDiv(t, { style: 'animation: move 100s infinite' });
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
div.style.display = 'none';
assert_equals(div.getAnimations().length, 0,
'display:none element has no animations');
div.style.display = '';
assert_equals(div.getAnimations().length, 1,
'Element which is no longer display:none has animations ' +
'again');
}, 'Animation starts playing when the element gets shown from ' +
'"display:none" state');
test(function(t) {
var parentElement = addDiv(t);
var div = addDiv(t, { style: 'animation: move 100s infinite' });
parentElement.appendChild(div);
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
parentElement.style.display = 'none';
assert_equals(div.getAnimations().length, 0,
'Element in display:none subtree has no animations');
parentElement.style.display = '';
assert_equals(div.getAnimations().length, 1,
'Element which is no longer in display:none subtree has ' +
'animations again');
}, 'Animation starts playing when its parent element is shown from ' +
'"display:none" state');
test(function(t) {
var div = addDiv(t, { style: 'animation: move 100s forwards' });
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
var animation = div.getAnimations()[0];
animation.finish();
assert_equals(div.getAnimations().length, 1,
'Element has finished animation if the animation ' +
'fill-mode is forwards');
div.style.display = 'none';
assert_equals(animation.playState, 'idle',
'The animation.playState should be idle');
assert_equals(div.getAnimations().length, 0,
'display:none element has no animations');
div.style.display = '';
assert_equals(div.getAnimations().length, 1,
'Element which is no longer display:none has animations ' +
'again');
assert_not_equals(div.getAnimations()[0], animation,
'Restarted animation is a newly-generated animation');
}, 'Animation which has already finished starts playing when the element ' +
'gets shown from "display:none" state');
test(function(t) {
var parentElement = addDiv(t);
var div = addDiv(t, { style: 'animation: move 100s forwards' });
parentElement.appendChild(div);
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
var animation = div.getAnimations()[0];
animation.finish();
assert_equals(div.getAnimations().length, 1,
'Element has finished animation if the animation ' +
'fill-mode is forwards');
parentElement.style.display = 'none';
assert_equals(animation.playState, 'idle',
'The animation.playState should be idle');
assert_equals(div.getAnimations().length, 0,
'Element in display:none subtree has no animations');
parentElement.style.display = '';
assert_equals(div.getAnimations().length, 1,
'Element which is no longer in display:none subtree has ' +
'animations again');
assert_not_equals(div.getAnimations()[0], animation,
'Restarted animation is a newly-generated animation');
}, 'Animation with fill:forwards which has already finished starts playing ' +
'when its parent element is shown from "display:none" state');
test(function(t) {
var parentElement = addDiv(t);
var div = addDiv(t, { style: 'animation: move 100s' });
parentElement.appendChild(div);
assert_equals(div.getAnimations().length, 1,
'display:initial element has animations');
var animation = div.getAnimations()[0];
animation.finish();
assert_equals(div.getAnimations().length, 0,
'Element does not have finished animations');
parentElement.style.display = 'none';
assert_equals(animation.playState, 'idle',
'The animation.playState should be idle');
assert_equals(div.getAnimations().length, 0,
'Element in display:none subtree has no animations');
parentElement.style.display = '';
assert_equals(div.getAnimations().length, 1,
'Element which is no longer in display:none subtree has ' +
'animations again');
assert_not_equals(div.getAnimations()[0], animation,
'Restarted animation is a newly-generated animation');
}, 'CSS Animation which has already finished starts playing when its parent ' +
'element is shown from "display:none" state');
done();
</script>
</body>