mirror of
https://github.com/servo/servo.git
synced 2025-06-06 16:45:39 +00:00
117 lines
3.4 KiB
HTML
117 lines
3.4 KiB
HTML
<!doctype html>
|
|
<meta charset=utf-8>
|
|
<title>KeyframeEffect.setKeyframes() for CSS transitions</title>
|
|
<!-- TODO: Add a more specific link for this once it is specified. -->
|
|
<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="support/helper.js"></script>
|
|
<div id="log"></div>
|
|
<script>
|
|
'use strict';
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
div.style.left = '0px';
|
|
getComputedStyle(div).transitionProperty;
|
|
div.style.transition = 'left 100s';
|
|
div.style.left = '100px';
|
|
|
|
const transition = div.getAnimations()[0];
|
|
transition.effect.setKeyframes({ left: ['200px', '300px', '100px'] });
|
|
|
|
assert_equals(getComputedStyle(div).left, '200px');
|
|
}, 'Keyframes set using setKeyframes() are reflected in computed style for'
|
|
+ ' a running transition');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
div.style.left = '0px';
|
|
getComputedStyle(div).transitionProperty;
|
|
div.style.transition = 'left 100s';
|
|
div.style.left = '100px';
|
|
|
|
const transition = div.getAnimations()[0];
|
|
transition.effect.setKeyframes({ top: ['0px', '100px', '300px'] });
|
|
|
|
assert_equals(transition.transitionProperty, 'left');
|
|
}, 'A transition with replaced keyframes still returns the original'
|
|
+ ' transitionProperty');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
div.style.left = '0px';
|
|
getComputedStyle(div).transitionProperty;
|
|
div.style.transition = 'left 100s';
|
|
div.style.left = '100px';
|
|
|
|
const transition = div.getAnimations()[0];
|
|
transition.effect.setKeyframes({ });
|
|
|
|
assert_equals(transition.transitionProperty, 'left');
|
|
}, 'A transition with no keyframes still returns the original'
|
|
+ ' transitionProperty');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
div.style.left = '0px';
|
|
getComputedStyle(div).transitionProperty;
|
|
div.style.transition = 'left 100s';
|
|
div.style.left = '100px';
|
|
|
|
const transition = div.getAnimations()[0];
|
|
|
|
// Seek to the middle and get the portion.
|
|
//
|
|
// We deliberately DON'T set transition-timing-function to linear so that we
|
|
// can test that it is applied correctly.
|
|
transition.currentTime = 50 * MS_PER_SEC;
|
|
const portion = transition.effect.getComputedTiming().progress;
|
|
|
|
transition.effect.setKeyframes({ top: ['200px', '300px', '100px'] });
|
|
|
|
// Reverse transition
|
|
div.style.left = '0px';
|
|
const reversedTransition = div.getAnimations()[0];
|
|
|
|
const expectedDuration = 100 * MS_PER_SEC * portion;
|
|
assert_approx_equals(
|
|
reversedTransition.effect.getComputedTiming().activeDuration,
|
|
expectedDuration,
|
|
1
|
|
);
|
|
}, 'A transition with replaced keyframes still exhibits the regular transition'
|
|
+ ' reversing behavior');
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
div.style.left = '0px';
|
|
getComputedStyle(div).transitionProperty;
|
|
div.style.transition = 'left 100s';
|
|
div.style.left = '100px';
|
|
|
|
const transition = div.getAnimations()[0];
|
|
|
|
transition.currentTime = 50 * MS_PER_SEC;
|
|
const portion = transition.effect.getComputedTiming().progress;
|
|
|
|
transition.effect.setKeyframes({ });
|
|
|
|
div.style.left = '0px';
|
|
const reversedTransition = div.getAnimations()[0];
|
|
|
|
const expectedDuration = 100 * MS_PER_SEC * portion;
|
|
assert_approx_equals(
|
|
reversedTransition.effect.getComputedTiming().activeDuration,
|
|
expectedDuration,
|
|
1
|
|
);
|
|
}, 'A transition with no keyframes still exhibits the regular transition'
|
|
+ ' reversing behavior');
|
|
|
|
</script>
|