48 lines
1.5 KiB
HTML
48 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait reftest-no-flush">
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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 case that the nearest oveflow:hidden scroll frame is the clip frame
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for the partial pre-render transform animation.
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-->
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<style>
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html, body {
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margin: 0;
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padding: 0;
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}
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#target {
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width: 30000px;
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height: 100px;
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transform: translateX(-2500px);
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/*
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* 1s delay so that we can avoid undesired composition, i.e. the first
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* composition on the composition would be the final transition value.
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*/
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transition: transform 100s step-start 1s;
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}
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</style>
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<div style="width: 50%; overflow: hidden">
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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 30000 100">
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<rect fill="green" x="2500" width="400" height="100"></rect>
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<rect fill="blue" x="2900" width="100" height="100"></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.transform = "translateX(-2600px)";
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target.addEventListener("transitionstart", () => {
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// Wait a second to make sure the transition has been composited on the
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// compositor.
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setTimeout(() => {
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document.documentElement.classList.remove("reftest-wait");
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}, 1000);
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});
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}, { once: true });
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</script>
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</html>
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