| Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation/playbackRate.html
|
| diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation/playbackRate.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation/playbackRate.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..7e3712a56ff491a1eae13edee35f8b141072708e
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation/playbackRate.html
|
| @@ -0,0 +1,89 @@
|
| +<!DOCTYPE html>
|
| +<meta charset=utf-8>
|
| +<title>Animation.playbackRate</title>
|
| +<link rel="help" href="https://w3c.github.io/web-animations/#dom-animation-playbackrate">
|
| +<script src="../../../../resources/testharness.js"></script>
|
| +<script src="../../../../resources/testharnessreport.js"></script>
|
| +<script src="../testcommon.js"></script>
|
| +<link rel="stylesheet" href="../../../../resources/testharness.css">
|
| +<body>
|
| +<div id="log"></div>
|
| +<script>
|
| +"use strict";
|
| +
|
| +var keyFrames = { 'marginLeft': ['100px', '200px'] };
|
| +
|
| +function assert_playbackrate(animation,
|
| + previousAnimationCurrentTime,
|
| + previousTimelineCurrentTime,
|
| + description) {
|
| + var accuracy = 0.001; /* accuracy of DOMHighResTimeStamp */
|
| + var animationCurrentTimeDifference =
|
| + animation.currentTime - previousAnimationCurrentTime;
|
| + var timelineCurrentTimeDifference =
|
| + animation.timeline.currentTime - previousTimelineCurrentTime;
|
| +
|
| + assert_approx_equals(animationCurrentTimeDifference,
|
| + timelineCurrentTimeDifference * animation.playbackRate,
|
| + accuracy,
|
| + description);
|
| +}
|
| +
|
| +promise_test(function(t) {
|
| + var div = createDiv(t);
|
| + var animation = div.animate({keyFrames}, 100 * MS_PER_SEC);
|
| + return animation.ready.then(function() {
|
| + animation.currentTime = 7 * MS_PER_SEC; // ms
|
| + animation.playbackRate = 0.5;
|
| +
|
| + assert_equals(animation.currentTime, 7 * MS_PER_SEC,
|
| + 'Reducing Animation.playbackRate should not change the currentTime ' +
|
| + 'of a playing animation');
|
| + animation.playbackRate = 2;
|
| + assert_equals(animation.currentTime, 7 * MS_PER_SEC,
|
| + 'Increasing Animation.playbackRate should not change the currentTime ' +
|
| + 'of a playing animation');
|
| + });
|
| +}, 'Test the initial effect of setting playbackRate on currentTime');
|
| +
|
| +promise_test(function(t) {
|
| + var div = createDiv(t);
|
| + var animation = div.animate({keyFrames}, 100 * MS_PER_SEC);
|
| + animation.playbackRate = 2;
|
| + var previousTimelineCurrentTime;
|
| + var previousAnimationCurrentTime;
|
| + return animation.ready.then(function() {
|
| + previousAnimationCurrentTime = animation.currentTime;
|
| + previousTimelineCurrentTime = animation.timeline.currentTime;
|
| + return waitForAnimationFrames(1);
|
| + }).then(function() {
|
| + assert_playbackrate(animation,
|
| + previousAnimationCurrentTime,
|
| + previousTimelineCurrentTime,
|
| + 'animation.currentTime should be 2 times faster than timeline.');
|
| + });
|
| +}, 'Test the effect of setting playbackRate on currentTime');
|
| +
|
| +promise_test(function(t) {
|
| + var div = createDiv(t);
|
| + var animation = div.animate({keyFrames}, 100 * MS_PER_SEC);
|
| + animation.playbackRate = 2;
|
| + var previousTimelineCurrentTime;
|
| + var previousAnimationCurrentTime;
|
| + return animation.ready.then(function() {
|
| + previousAnimationCurrentTime = animation.currentTime;
|
| + previousTimelineCurrentTime = animation.timeline.currentTime;
|
| + animation.playbackRate = 1;
|
| + return waitForAnimationFrames(1);
|
| + }).then(function() {
|
| + assert_equals(animation.playbackRate, 1,
|
| + 'sanity check: animation.playbackRate is still 1.');
|
| + assert_playbackrate(animation,
|
| + previousAnimationCurrentTime,
|
| + previousTimelineCurrentTime,
|
| + 'animation.currentTime should be the same speed as timeline now.');
|
| + });
|
| +}, 'Test the effect of setting playbackRate while playing animation');
|
| +
|
| +</script>
|
| +</body>
|
|
|
Chromium Code Reviews
Issue 1899623002:
Import latest web-platform-tests (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master