52 lines
1.6 KiB
HTML
52 lines
1.6 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 for a partial pre-rendered transform animation moves to a place where
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the partial pre-render area of the transform animation is out of the viewport,
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but part of the element is still visible.
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-->
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<style>
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html {
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overflow: 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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/* jump to a position where the element is completely outside of the */
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/* partial pre-render area but the element is still visible */
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to { transform: translateX(-200vw); }
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}
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#target {
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width: 400vw;
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height: 400vh;
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position: absolute;
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}
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</style>
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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 16 16">
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<rect fill="green" width="16" height="16"></rect>
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</svg>
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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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