58 lines
1.8 KiB
HTML
58 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait reftest-no-flush"
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reftest-async-scroll
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reftest-displayport-x="0" reftest-displayport-y="0"
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reftest-displayport-w="800" reftest-displayport-h="2000"
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reftest-async-scroll-x="0" reftest-async-scroll-y="1000">
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<meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
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<!--
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A test that a partial pre-rendered transform animation is in a position:fixed
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layer.
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-->
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<style>
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html {
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overflow-x: hidden;
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}
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body {
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margin: 0px;
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padding: 0px;
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}
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@keyframes anim {
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to { transform: translateY(-500px); }
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}
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#target {
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width: 800px;
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height: 1600px;
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transform: translateY(-400px);
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}
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</style>
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<div style="width: 800px; height: 2000px"><!-- spacer --></div>
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<div style="position: fixed; top: 400px">
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<div id="target">
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<!--
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Put an SVG element so that the transform display item has a blob on
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WebRender which means this test properly fails without the proper fix.
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-->
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 1600">
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<rect fill="green" y="0" width="800" height="1000"></rect>
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<rect fill="blue" y="1000" width="800" height="125"></rect>
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<rect fill="red" y="1125" width="800" height="875"></rect>
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</svg>
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</div>
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</div>
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<script>
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document.addEventListener("MozReftestInvalidate", () => {
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target.style.animation = "anim 100s 1s step-start";
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target.addEventListener("animationstart", () => {
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// animationstart event is fired just before requestAnimationFrame callbacks,
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// so we need to wait two rAF to make sure the initial animation value is
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// composited on the compositor.
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requestAnimationFrame(() => {
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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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});
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}, { once: true });
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</script>
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</html>
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