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<!doctype html>
<meta charset=utf-8>
<script src="../testcommon.js"></script>
<style>
@keyframes translateAnim {
to { transform: translate(100px) }
}
@keyframes marginLeftAnim {
to { margin-left: 100px }
}
@keyframes marginLeftAnim100To200 {
from { margin-left: 100px }
to { margin-left: 200px }
}
</style>
<body>
<script>
'use strict';
promise_test(function(t) {
var div = addDiv(t, { style: 'animation: translateAnim 100s' });
var animation = div.getAnimations()[0];
return animation.ready.then(function() {
assert_not_equals(getComputedStyle(div).transform, 'none',
'transform style is animated before cancelling');
animation.cancel();
assert_equals(getComputedStyle(div).transform, 'none',
'transform style is no longer animated after cancelling');
});
}, 'Animated style is cleared after cancelling a running CSS animation');
promise_test(function(t) {
var div = addDiv(t, { style: 'animation: translateAnim 100s forwards' });
var animation = div.getAnimations()[0];
animation.finish();
return animation.ready.then(function() {
assert_not_equals(getComputedStyle(div).transform, 'none',
'transform style is filling before cancelling');
animation.cancel();
assert_equals(getComputedStyle(div).transform, 'none',
'fill style is cleared after cancelling');
});
}, 'Animated style is cleared after cancelling a filling CSS animation');
promise_test(function(t) {
var div = addDiv(t, { style: 'animation: translateAnim 100s' });
var animation = div.getAnimations()[0];
div.addEventListener('animationend', t.step_func(function() {
assert_unreached('Got unexpected end event on cancelled animation');
}));
return animation.ready.then(function() {
// Seek to just before the end then cancel
animation.currentTime = 99.9 * 1000;
animation.cancel();
// Then wait a couple of frames and check that no event was dispatched
return waitForAnimationFrames(2);
});
}, 'Cancelled CSS animations do not dispatch events');
test(function(t) {
var div = addDiv(t, { style: 'animation: marginLeftAnim 100s linear' });
var animation = div.getAnimations()[0];
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is not animated after cancelling');
animation.currentTime = 50 * 1000;
assert_equals(getComputedStyle(div).marginLeft, '50px',
'margin-left style is updated when cancelled animation is'
+ ' seeked');
}, 'After cancelling an animation, it can still be seeked');
promise_test(function(t) {
var div =
addDiv(t, { style: 'animation: marginLeftAnim100To200 100s linear' });
var animation = div.getAnimations()[0];
return animation.ready.then(function() {
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is not animated after cancelling');
animation.play();
assert_equals(getComputedStyle(div).marginLeft, '100px',
'margin-left style is animated after re-starting animation');
return animation.ready;
}).then(function() {
assert_equals(animation.playState, 'running',
'Animation succeeds in running after being re-started');
});
}, 'After cancelling an animation, it can still be re-used');
test(function(t) {
var div =
addDiv(t, { style: 'animation: marginLeftAnim100To200 100s linear' });
var animation = div.getAnimations()[0];
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is not animated after cancelling');
// Trigger a change to some animation properties and check that this
// doesn't cause the animation to become live again
div.style.animationDuration = '200s';
flushComputedStyle(div);
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is still not animated after updating'
+ ' animation-duration');
assert_equals(animation.playState, 'idle',
'Animation is still idle after updating animation-duration');
}, 'After cancelling an animation, updating animation properties doesn\'t make'
+ ' it live again');
test(function(t) {
var div =
addDiv(t, { style: 'animation: marginLeftAnim100To200 100s linear' });
var animation = div.getAnimations()[0];
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is not animated after cancelling');
// Make some changes to animation-play-state and check that the
// animation doesn't become live again. This is because it should be
// possible to cancel an animation from script such that all future
// changes to style are ignored.
// Redundant change
div.style.animationPlayState = 'running';
assert_equals(animation.playState, 'idle',
'Animation is still idle after a redundant change to'
+ ' animation-play-state');
// Pause
div.style.animationPlayState = 'paused';
assert_equals(animation.playState, 'idle',
'Animation is still idle after setting'
+ ' animation-play-state: paused');
// Play
div.style.animationPlayState = 'running';
assert_equals(animation.playState, 'idle',
'Animation is still idle after re-setting'
+ ' animation-play-state: running');
}, 'After cancelling an animation, updating animation-play-state doesn\'t'
+ ' make it live again');
done();
</script>
</body>
</html>
|
