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Test Info: Warnings

<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>getAnimations for scroll-linked animations</title>
<link rel="help"
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/testcommon.js"></script>
<style>
@keyframes slide {
from { transform: translateX(100px); }
to { transform: translateX(100px); }
}
#container {
border: 10px solid lightgray;
overflow-x: scroll;
height: 200px;
width: 200px;
scroll-timeline-name: --timeline;
}
#spacer {
height: 200vh;
}
#target {
background-color: green;
height: 100px;
width: 100px;
animation: slide 1s linear;
animation-timeline: --timeline;
}
</style>
<body>
<div id="container">
<div id="spacer"></div>
<div id="target"></div>
</div>
</body>
<script type="text/javascript">
setup(assert_implements_animation_timeline);
promise_test(async t => {
let animations = document.getAnimations();
assert_equals(animations.length, 1,
'Single running animation');
assert_true(animations[0].timeline instanceof ScrollTimeline,
'Animation associated with a scroll timeline');
// Canceled animation is no longer current.
const anim = animations[0];
animations[0].cancel();
assert_equals(
document.getAnimations().length, 0,
'A canceled animation is no longer returned by getAnimations');
// Replaying an animation makes it current.
anim.play();
assert_equals(
document.getAnimations().length, 1,
'A play-pending animation is return by getAnimations');
// Animation effect is still current even if the timeline's source element
// cannot be scrolled.
spacer.style = 'display: none';
t.add_cleanup(() => {
spacer.style = '';
});
animations = document.getAnimations();
assert_equals(
animations.length, 1,
'Running animation is included in getAnimations list even if ' +
'currentTime is null');
assert_true(animations[0].timeline instanceof ScrollTimeline,
'Animation has timeline associated with an element that ' +
'cannot be scrolled');
assert_equals(animations[0].timeline.currentTime, null,
'Inactive timeline when timeline\'s source element cannot ' +
'be scrolled');
}, 'getAnimations includes inactive scroll-linked animations that have not ' +
'been canceled');
</script>