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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /web-animations/interfaces/Animation/startTime.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset=utf-8>
<title>Animation.startTime</title>
<link rel="help"
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<body>
<div id="log"></div>
<script>
'use strict';
test(t => {
const animation = new Animation(new KeyframeEffect(createDiv(t), null),
document.timeline);
assert_equals(animation.startTime, null, 'startTime is unresolved');
}, 'startTime of a newly created (idle) animation is unresolved');
test(t => {
const animation = new Animation(new KeyframeEffect(createDiv(t), null),
document.timeline);
animation.play();
assert_equals(animation.startTime, null, 'startTime is unresolved');
}, 'startTime of a play-pending animation is unresolved');
test(t => {
const animation = new Animation(new KeyframeEffect(createDiv(t), null),
document.timeline);
animation.pause();
assert_equals(animation.startTime, null, 'startTime is unresolved');
}, 'startTime of a pause-pending animation is unresolved');
test(t => {
const animation = createDiv(t).animate(null);
assert_equals(animation.startTime, null, 'startTime is unresolved');
}, 'startTime of a play-pending animation created using Element.animate'
+ ' shortcut is unresolved');
promise_test(t => {
const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
return animation.ready.then(() => {
assert_greater_than(animation.startTime, 0, 'startTime when running');
});
}, 'startTime is resolved when running');
test(t => {
const animation = createDiv(t).animate(null, 100 * MS_PER_SEC);
animation.cancel();
assert_equals(animation.startTime, null);
assert_equals(animation.currentTime, null);
}, 'startTime and currentTime are unresolved when animation is cancelled');
</script>
</body>