| <!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, pseudoElement) |
| { |
| for (let animation of element.getAnimations({ subtree: true })) { |
| if (animation instanceof CSSAnimation && animation.animationName == animationName && animation.effect.target == element && animation.effect.pseudoElement == pseudoElement) { |
| animation.currentTime = time * 1000; |
| animation.pause(); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| function testAnimation(id) |
| { |
| const pseudoElement = `::${id}`; |
| var div = document.getElementById(id); |
| div.className = 'animate'; |
| window.div = div; |
| shouldBe('div.offsetWidth', '52'); |
| |
| pauseAnimationAtTimeOnPseudoElement('example', 1.0, div, pseudoElement); |
| shouldBeCloseTo('div.offsetWidth', 20, 1); |
| computedTop = getPseudoComputedTop(id); |
| shouldBeCloseTo('computedTop', 170, 1); |
| pauseAnimationAtTimeOnPseudoElement('example', 2.0, div, pseudoElement); |
| shouldBeCloseTo('div.offsetWidth', 12, 1); |
| computedTop = getPseudoComputedTop(id); |
| shouldBeCloseTo('computedTop', 200, 1); |
| } |
| |
| onload = function() { |
| testAnimation('before'); |
| testAnimation('after'); |
| if (window.internals) |
| isSuccessfullyParsed(); |
| else |
| setTimeout(isSuccessfullyParsed, 2000); |
| }; |
| </script> |
