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<!DOCTYPE html>
<meta charset=utf-8>
<title>Canceling an animation</title>
<link rel="help"
href="https://drafts.csswg.org/web-animations/#canceling-an-animation-section">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/web-animations/testcommon.js"></script>
<script src="testcommon.js"></script>
<style>
.scroller {
overflow: auto;
height: 100px;
width: 100px;
will-change: transform;
}
.contents {
height: 1000px;
width: 100%;
}
</style>
<body>
<script>
'use strict';
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
animation.cancel();
assert_equals(animation.startTime, null,
'The start time of a canceled animation should be unresolved');
assert_equals(animation.currentTime, null,
'The hold time of a canceled animation should be unresolved');
}, 'Canceling an animation should cause its start time and hold time to be'
+ ' unresolved');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
const retPromise = animation.ready.then(() => {
assert_unreached('ready promise was fulfilled');
}).catch(err => {
assert_equals(err.name, 'AbortError',
'ready promise is rejected with AbortError');
});
animation.cancel();
return retPromise;
}, 'A play-pending ready promise should be rejected when the animation is'
+ ' canceled');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
await animation.ready;
// Make it pause-pending
animation.pause();
// We need to store the original ready promise since cancel() will
// replace it
const originalPromise = animation.ready;
animation.cancel();
await promise_rejects_dom(t, 'AbortError', originalPromise,
'Cancel should abort ready promise');
}, 'A pause-pending ready promise should be rejected when the animation is'
+ ' canceled');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
animation.cancel();
const promiseResult = await animation.ready;
assert_equals(promiseResult, animation);
}, 'When an animation is canceled, it should create a resolved Promise');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
const promise = animation.ready;
animation.cancel();
assert_not_equals(animation.ready, promise);
promise_rejects_dom(t, 'AbortError', promise,
'Cancel should abort ready promise');
}, 'The ready promise should be replaced when the animation is canceled');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
assert_equals(animation.playState, 'idle',
'The animation should be initially idle');
animation.finished.then(t.step_func(() => {
assert_unreached('Finished promise should not resolve');
}), t.step_func(() => {
assert_unreached('Finished promise should not reject');
}));
animation.cancel();
return waitForAnimationFrames(3);
}, 'The finished promise should NOT be rejected if the animation is already'
+ ' idle');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
assert_equals(animation.playState, 'idle',
'The animation should be initially idle');
animation.oncancel = t.step_func(() => {
assert_unreached('Cancel event should not be fired');
});
animation.cancel();
return waitForAnimationFrames(3);
}, 'The cancel event should NOT be fired if the animation is already idle');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
animation.effect.target.remove();
const eventWatcher = new EventWatcher(t, animation, 'cancel');
await animation.ready;
animation.cancel();
await eventWatcher.wait_for('cancel');
assert_equals(animation.effect.target.parentNode, null,
'cancel event should be fired for the animation on an orphaned element');
}, 'Canceling an animation should fire cancel event on orphaned element');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
const scroller = animation.timeline.source;
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
await animation.ready;
// Make the scroll timeline inactive.
scroller.style.overflow = 'visible';
scroller.scrollTop;
await waitForNextFrame();
assert_equals(animation.timeline.currentTime, null,
'Sanity check the timeline is inactive.');
animation.cancel();
assert_equals(animation.startTime, null,
'The start time of a canceled animation should be unresolved');
assert_equals(animation.currentTime, null,
'The current time of a canceled animation should be unresolved');
}, 'Canceling an animation with inactive timeline should cause its start time'
+ ' and hold time to be unresolved');
promise_test(async t => {
const animation = createScrollLinkedAnimation(t);
const scroller = animation.timeline.source;
// Wait for new animation frame which allows the timeline to compute new
// current time.
await waitForNextFrame();
animation.play();
await animation.ready;
// Make the scroll timeline inactive.
scroller.style.overflow = 'visible';
scroller.scrollTop;
await waitForNextFrame();
assert_equals(animation.timeline.currentTime, null,
'Sanity check the timeline is inactive.');
const eventWatcher = new EventWatcher(t, animation, 'cancel');
animation.cancel();
const cancelEvent = await eventWatcher.wait_for('cancel');
assert_equals(cancelEvent.currentTime, null,
'event.currentTime should be unresolved when the timeline is inactive.');
assert_equals(cancelEvent.timelineTime, null,
'event.timelineTime should be unresolved when the timeline is inactive');
}, 'oncancel event is fired when the timeline is inactive.');
</script>
</body>
|
