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106 lines
2.1 KiB
HTML
106 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en" class="reftest-wait">
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<meta charset="utf-8">
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<title>This test fails - Opacity containers should anticipate animations of the contents when deciding whether to pull a background color</title>
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<style>
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div {
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min-height: 50px;
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box-model: border-box;
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}
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.first, .second {
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border: 1px solid blue;
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margin: 50px 0;
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position: relative;
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}
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.border {
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border: 1px solid black;
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}
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.underlap {
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border: 1px solid #088;
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margin-left: 120px;
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width: 80px;
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margin-bottom: -30px;
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}
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.opacity {
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opacity: 0.9;
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height: auto;
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padding: 10px 0 20px;
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}
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.animated-position {
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position: relative;
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left: 20px;
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margin-left: 220px;
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width: 100px;
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height: 100px;
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border-color: red;
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}
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body {
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margin: 0;
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padding: 0 100px;
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height: 3000px;
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}
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</style>
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<div class="first" reftest-assigned-layer="page-background">
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<!--
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This is just a regular box, it should end up in the page background layer.
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-->
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</div>
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<div class="underlap">
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<!--
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This item intersects with the scrollable box and is positioned below
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.scrollable, in z-order.
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-->
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</div>
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<div class="border">
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<div class="opacity">
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<div class="border animated-position reftest-no-paint">
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<!--
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This item start out above solid white background but will move to
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intersect .underlap, so it shouldn't pull up the background color.
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However, the opacity item that wraps this item only looks at the
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current bounds of its contents, so this test will fail.
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-->
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</div>
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</div>
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</div>
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<div class="second" reftest-assigned-layer="page-background">
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<!--
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This should share a layer with .first and the page background.
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-->
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</div>
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<script>
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var animatedLeft = document.querySelector(".animated-position");
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function doTest() {
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animatedLeft.style.left = "-40px";
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document.documentElement.removeAttribute("class");
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}
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// Layerize #animatedLeft
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animatedLeft.offsetLeft;
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animatedLeft.style.left = "40px";
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animatedLeft.offsetLeft;
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animatedLeft.style.left = "60px";
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animatedLeft.offsetLeft;
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document.addEventListener("MozReftestInvalidate", doTest);
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setTimeout(doTest, 200);
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</script>
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