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239 lines
7.2 KiB
HTML
239 lines
7.2 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>CSSTransition.effect</title>
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<!-- TODO: Add a more specific link for this once it is specified. -->
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<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
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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='support/helper.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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function singleFrame() {
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return new Promise((resolve, reject) => {
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requestAnimationFrame(resolve);
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});
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}
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test(t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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transition.effect = null;
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assert_equals(transition.transitionProperty, 'left');
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}, 'After setting a transition\'s effect to null, it still reports the'
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+ ' original transition property');
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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await transition.ready;
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transition.effect = null;
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assert_equals(transition.playState, 'finished');
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}, 'After setting a transition\'s effect to null, it becomes finished');
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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await transition.ready;
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transition.effect = null;
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assert_equals(getComputedStyle(div).left, '100px');
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}, 'After setting a transition\'s effect to null, style is updated');
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// This is a regression test for https://crbug.com/964113, where Chromium would
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// crash if the running transition's effect was set to null and a new transition
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// was started before the running one could finish.
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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assert_equals(div.getAnimations().length, 1);
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const transition = div.getAnimations()[0];
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await transition.ready;
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// Without yielding to the rendering loop, set the current transition's
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// effect to null and start a new transition. This should work correctly.
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transition.effect = null;
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div.style.left = '150px';
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// This will run style update.
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assert_equals(div.getAnimations().length, 1);
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const new_transition = div.getAnimations()[0];
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await new_transition.ready;
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assert_equals(getComputedStyle(div).left, '100px');
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}, 'After setting a transition\'s effect to null, a new transition can be started');
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// This is a regression test for https://crbug.com/992668, where Chromium would
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// crash if the running transition's effect was set to null and the transition
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// was interrupted before it could finish due to the null effect.
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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assert_equals(div.getAnimations().length, 1);
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const transition = div.getAnimations()[0];
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await transition.ready;
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// The transition needs to have a non-zero currentTime for the interruption
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// reversal logic to apply.
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while (getComputedStyle(div).left == '0px') {
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await singleFrame();
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}
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assert_not_equals(transition.currentTime, 0);
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// Without yielding to the rendering loop, set the current transition's
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// effect to null and interrupt the transition. This should work correctly.
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transition.effect = null;
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div.style.left = '0px';
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// Yield to the rendering loop. This should not crash.
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await singleFrame();
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}, 'After setting a transition\'s effect to null, it should be possible to '
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+ 'interrupt that transition');
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.width = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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await transition.ready;
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transition.currentTime = 50 * MS_PER_SEC;
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transition.effect = new KeyframeEffect(div,
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{ left: [ '0px' , '100px'] },
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20 * MS_PER_SEC);
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assert_equals(transition.playState, 'finished');
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}, 'After setting a new keyframe effect with a shorter duration,'
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+ ' the transition becomes finished');
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.width = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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transition.effect = new KeyframeEffect(div,
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{ marginLeft: [ '0px' , '100px'] },
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100 * MS_PER_SEC);
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assert_equals(transition.transitionProperty, 'left');
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}, 'After setting a new keyframe effect targeting different properties,'
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+ ' the transition continues to report the original transition property');
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promise_test(async t => {
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const div = addDiv(t);
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div.style.left = '0px';
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div.style.width = '0px';
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div.style.transition = 'left 100s';
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getComputedStyle(div).left;
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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assert_true(transition.pending);
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transition.effect = new KeyframeEffect(div,
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{ marginLeft: [ '0px' , '100px'] },
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100 * MS_PER_SEC);
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assert_true(transition.pending);
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// As a sanity check, check that the transition actually exits the
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// pending state.
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await transition.ready;
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assert_false(transition.pending);
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}, 'After setting a new keyframe effect on a play-pending transition,'
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+ ' the transition remains pending');
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test(t => {
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const div = addDiv(t);
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div.style.left = '0px';
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getComputedStyle(div).transitionProperty;
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div.style.transition = 'left 100s';
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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transition.effect = null;
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assert_equals(transition.transitionProperty, 'left');
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}, 'A transition with no effect still returns the original transitionProperty');
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test(t => {
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const div = addDiv(t);
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div.style.left = '0px';
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getComputedStyle(div).transitionProperty;
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div.style.transition = 'left 100s';
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div.style.left = '100px';
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const transition = div.getAnimations()[0];
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// Seek to the middle and get the portion.
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transition.currentTime = 50 * MS_PER_SEC;
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const portion = transition.effect.getComputedTiming().progress;
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// Replace the effect but keep the original timing
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transition.effect = new KeyframeEffect(
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div,
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{ top: ['200px', '300px', '100px'] },
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transition.effect.getTiming()
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);
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// Reverse the transition
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div.style.left = '0px';
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const reversedTransition = div.getAnimations()[0];
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const expectedDuration = 100 * MS_PER_SEC * portion;
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assert_approx_equals(
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reversedTransition.effect.getComputedTiming().activeDuration,
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expectedDuration,
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1
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);
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}, 'A transition with a replaced effect still exhibits the regular transition'
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+ ' reversing behavior');
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</script>
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