blob: e30865aa33cffba29fb60339c26034f0ccdaf8c7 [file] [log] [blame]
<!DOCTYPE html>
<script src="../../resources/js-test-pre.js"></script>
<style>
@-webkit-keyframes example {
from {
width: 50px;
height: 50px;
top: 50px;
}
to {
width: 10px;
height: 10px;
top: 200px;
}
}
@keyframes example {
from {
width: 50px;
height: 50px;
top: 50px;
}
to {
width: 10px;
height: 10px;
top: 200px;
}
}
#after:after,
#before:before {
content: "";
display: block;
height: 50px;
width: 50px;
position: relative;
}
#after.animate:after,
#before.animate:before {
top: 200px;
width: 10px;
height: 10px;
-webkit-animation: example 2s;
-moz-animation: example 2s;
animation: example 2s;
}
#before,
#after {
display: inline-block;
border: 1px solid black;
background: red;
}
#before.animate,
#after.animate {
background: green;
}
</style>
<div id="before"></div>
<div id="after"></div>
<script>
description('Animations on :before and :after pseudo elements should run');
if (window.testRunner)
testRunner.dumpAsText();
function getPseudoComputedTop(id)
{
return Math.round(parseFloat(getComputedStyle(document.getElementById(id), ':' + id).top));
}
// FIXME: This test should be modified so subpixel doesn't cause off by one
// below and it no longer needs shouldBeCloseTo.
function pauseAnimationAtTimeOnPseudoElement(animationName, time, element, pseudoId)
{
const pseudoElement = internals.pseudoElement(element, pseudoId);
if (!pseudoElement) {
console.log("Failed to find pseudo element");
return;
}
const animations = pseudoElement.getAnimations();
for (let animation of animations) {
if (animation instanceof CSSAnimation && animation.animationName == animationName && animation.effect.getKeyframes().length) {
animation.currentTime = time * 1000;
animation.pause();
return true;
}
}
return false;
}
function testAnimation(id)
{
var div = document.getElementById(id);
div.className = 'animate';
window.div = div;
shouldBe('div.offsetWidth', '52');
if (window.internals) {
pauseAnimationAtTimeOnPseudoElement('example', 1.0, div, id);
shouldBeCloseTo('div.offsetWidth', 20, 1);
computedTop = getPseudoComputedTop(id);
shouldBeCloseTo('computedTop', 170, 1);
pauseAnimationAtTimeOnPseudoElement('example', 2.0, div, id);
shouldBeCloseTo('div.offsetWidth', 12, 1);
computedTop = getPseudoComputedTop(id);
shouldBeCloseTo('computedTop', 200, 1);
} else {
// This will be flaky, but it's a reasonable approximation for testing
// in a browser instead of DRT.
setTimeout(function() {
window.div = div;
shouldBeCloseTo('div.offsetWidth', 20, 1);
computedTop = getPseudoComputedTop(id);
shouldBeCloseTo('computedTop', 170, 1);
}, 1000);
setTimeout(function() {
window.div = div;
shouldBeCloseTo('div.offsetWidth', 12, 1);
computedTop = getPseudoComputedTop(id);
shouldBeCloseTo('computedTop', 200, 1);
}, 2000);
}
}
onload = function() {
testAnimation('before');
testAnimation('after');
if (window.internals)
isSuccessfullyParsed();
else
setTimeout(isSuccessfullyParsed, 2000);
};
</script>