39 lines
1 KiB
HTML
39 lines
1 KiB
HTML
<!DOCTYPE html>
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<head>
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<title>Performance Paint Timing Test: FCP due to 3d revealing of descendants</title>
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<style>
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#main {
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width: 100px;
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height: 100px;
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left: 0px;
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position: relative;
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top: 0;
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transform: rotateX(45deg);
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transform-style: preserve-3d;
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}
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/*
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This tests that given multiplication effect of 3d transforms on bounding rect,
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An element counts as contentful/paintable only when its bounding rect is truly non-empty */
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#child {
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transform: rotateX(45deg);
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}
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/* contentful class is defined in test_fcp script. */
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#main.contentful {
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transform: none;
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}
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</style>
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</head>
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<body>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../resources/utils.js"></script>
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<div id="main">
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<div id="child">Text</div>
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</div>
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<script>
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test_fcp("First contentful paint fires due to its ancestor getting rotating into view.");
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</script>
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</body>
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</html>
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