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87 lines
2.9 KiB
HTML
87 lines
2.9 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Timelines</title>
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<link rel="help" href="https://drafts.csswg.org/web-animations/#timelines">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../../testcommon.js"></script>
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<div id="log"></div>
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<script>
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'use strict';
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promise_test(t => {
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const valueAtStart = document.timeline.currentTime;
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const timeAtStart = window.performance.now();
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while (window.performance.now() - timeAtStart < 50) {
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// Wait 50ms
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}
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assert_equals(document.timeline.currentTime, valueAtStart,
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'Timeline time does not change within an animation frame');
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return waitForAnimationFrames(1).then(() => {
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assert_greater_than(document.timeline.currentTime, valueAtStart,
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'Timeline time increases between animation frames');
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});
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}, 'Timeline time increases once per animation frame');
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async_test(t => {
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const iframe = document.createElement('iframe');
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iframe.width = 10;
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iframe.height = 10;
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iframe.addEventListener('load', t.step_func(() => {
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const iframeTimeline = iframe.contentDocument.timeline;
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const valueAtStart = iframeTimeline.currentTime;
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const timeAtStart = window.performance.now();
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while (iframe.contentWindow.performance.now() - timeAtStart < 50) {
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// Wait 50ms
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}
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assert_equals(iframeTimeline.currentTime, valueAtStart,
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'Timeline time within an iframe does not change within an '
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+ ' animation frame');
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iframe.contentWindow.requestAnimationFrame(t.step_func_done(() => {
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assert_greater_than(iframeTimeline.currentTime, valueAtStart,
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'Timeline time within an iframe increases between animation frames');
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iframe.remove();
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}));
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}));
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document.body.appendChild(iframe);
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}, 'Timeline time increases once per animation frame in an iframe');
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async_test(t => {
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const startTime = document.timeline.currentTime;
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let firstRafTime;
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requestAnimationFrame(() => {
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t.step(() => {
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assert_greater_than_equal(document.timeline.currentTime, startTime,
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'Timeline time should have progressed');
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firstRafTime = document.timeline.currentTime;
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});
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});
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requestAnimationFrame(() => {
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t.step(() => {
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assert_equals(document.timeline.currentTime, firstRafTime,
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'Timeline time should be the same');
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});
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t.done();
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});
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}, 'Timeline time should be the same for all RAF callbacks in an animation'
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+ ' frame');
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async_test(t => {
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const div = createDiv(t);
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const animation = div.animate(null, 100 * MS_PER_SEC);
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animation.ready.then(t.step_func(() => {
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const readyTimelineTime = document.timeline.currentTime;
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requestAnimationFrame(t.step_func_done(() => {
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assert_equals(readyTimelineTime, document.timeline.currentTime,
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'There should be a microtask checkpoint');
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}));
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}));
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}, 'Performs a microtask checkpoint after updating timelins');
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</script>
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