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<!DOCTYPE html>
<meta charset=utf-8>
<title>Play states</title>
<link rel="help" href="https://drafts.csswg.org/web-animations/#play-states">
<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(null, {}, 100 * MS_PER_SEC)
);
assert_equals(animation.currentTime, null,
'Current time should be initially unresolved');
assert_equals(animation.playState, 'idle');
}, 'reports \'idle\' for an animation with an unresolved current time'
+ ' and no pending tasks')
test(t => {
const animation = createDiv(t).animate({}, 100 * MS_PER_SEC);
animation.pause();
assert_equals(animation.playState, 'paused');
}, 'reports \'paused\' for an animation with a pending pause task');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.currentTime = 0;
assert_equals(animation.startTime, null,
'Start time should still be unresolved after setting current'
+ ' time');
assert_equals(animation.playState, 'paused');
}, 'reports \'paused\' for an animation with a resolved current time and'
+ ' unresolved start time')
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
assert_not_equals(animation.currentTime, null,
'Current time should be resolved after setting start time');
assert_equals(animation.playState, 'running');
}, 'reports \'running\' for an animation with a resolved start time and'
+ ' current time');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
animation.currentTime = 100 * MS_PER_SEC;
assert_equals(animation.playState, 'finished');
}, 'reports \'finished\' when playback rate > 0 and'
+ ' current time = target effect end');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
animation.playbackRate = 0;
animation.currentTime = 100 * MS_PER_SEC;
assert_equals(animation.playState, 'running');
}, 'reports \'running\' when playback rate = 0 and'
+ ' current time = target effect end');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
animation.playbackRate = -1;
animation.currentTime = 100 * MS_PER_SEC;
assert_equals(animation.playState, 'running');
}, 'reports \'running\' when playback rate < 0 and'
+ ' current time = target effect end');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
animation.currentTime = 0;
assert_equals(animation.playState, 'running');
}, 'reports \'running\' when playback rate > 0 and'
+ ' current time = 0');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
animation.playbackRate = 0;
animation.currentTime = 0;
assert_equals(animation.playState, 'running');
}, 'reports \'running\' when playback rate = 0 and'
+ ' current time = 0');
test(t => {
const animation = new Animation(
new KeyframeEffect(null, {}, 100 * MS_PER_SEC)
);
animation.startTime = document.timeline.currentTime;
animation.playbackRate = -1;
animation.currentTime = 0;
assert_equals(animation.playState, 'finished');
}, 'reports \'finished\' when playback rate < 0 and'
+ ' current time = 0');
test(t => {
const animation = createDiv(t).animate({}, 0);
assert_equals(animation.startTime, null,
'Sanity check: start time should be unresolved');
assert_equals(animation.playState, 'finished');
}, 'reports \'finished\' when playback rate > 0 and'
+ ' current time = target effect end and there is a pending play task');
test(t => {
const animation = createDiv(t).animate({}, 100 * MS_PER_SEC);
assert_equals(animation.startTime, null,
'Sanity check: start time should be unresolved');
assert_equals(animation.playState, 'running');
}, 'reports \'running\' when playback rate > 0 and'
+ ' current time < target effect end and there is a pending play task');
test(t => {
const animation = createDiv(t).animate({}, 100 * MS_PER_SEC);
assert_equals(animation.playState, 'running');
assert_true(animation.pending);
}, 'reports \'running\' for a play-pending animation');
test(t => {
const animation = createDiv(t).animate({}, 100 * MS_PER_SEC);
animation.pause();
assert_equals(animation.playState, 'paused');
assert_true(animation.pending);
}, 'reports \'paused\' for a pause-pending animation');
test(t => {
const animation = createDiv(t).animate({}, 0);
assert_equals(animation.playState, 'finished');
assert_true(animation.pending);
}, 'reports \'finished\' for a finished-pending animation');
test(t => {
const animation = createDiv(t).animate({}, 100 * MS_PER_SEC);
// Set up the pending playback rate
animation.updatePlaybackRate(-1);
// Call play again so that we seek to the end while remaining play-pending
animation.play();
// For a pending animation, the play state should always report what the
// play state _will_ be once we finish pending.
assert_equals(animation.playState, 'running');
assert_true(animation.pending);
}, 'reports the play state based on the pending playback rate');
</script>
</body>
|
