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These tests aim to confirm that part 5 does not cause any regressons. MozReview-Commit-ID: BtZ1OGiilmQ --HG-- rename : layout/reftests/css-animations/no-stacking-context-animation-ref.html => layout/reftests/css-transitions/no-stacking-context-transition-ref.html rename : layout/reftests/css-animations/stacking-context-animation-ref.html => layout/reftests/css-transitions/stacking-context-transition-ref.html
46 lines
1.2 KiB
HTML
46 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<title>
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Transform transition and animation overridden by !important rule create
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a stacking context
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</title>
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<style>
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span {
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height: 100px;
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width: 100px;
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position: fixed;
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background: green;
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top: 50px;
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}
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@keyframes Transform100px {
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from, to { transform: translateX(100px); }
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}
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#test {
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width: 100px; height: 100px;
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background: blue;
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transform: translateX(200px) ! important;
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transition: transform 100s steps(1, start);
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animation: Transform100px 100s;
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}
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</style>
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<span></span>
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<div id="test"></div>
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<script>
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window.addEventListener("load", () => {
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var target = document.getElementById("test");
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getComputedStyle(target).transform;
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// Change the transform style to 'none'.
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target.style.setProperty("transform", "none", "important");
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// Important style is changed but there is a CSS animation,
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// so transition won't be visible and the CSS animation is overridden by
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// the !important rule. As a result transform style here should be 'none'
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// specified by the important rule, but we should create a stacking
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// context for it because there are animations.
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requestAnimationFrame(() => {
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document.documentElement.classList.remove("reftest-wait");
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});
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});
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</script>
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