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