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<!DOCTYPE html>
<html>
<head>
<title>JS test: Rotate via javascript must show the correct computed rotation</title>
<link rel="author" title="Rick Hurst" href="http://mrkn.co/axegs">
<link rel="help" href="https://drafts.csswg.org/css-transforms-1/#serialization-of-the-computed-value">
<link rel="help" href="https://drafts.csswg.org/css-transforms-1/#serialization-of-transform-functions">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<meta name="flags" content="svg">
<meta name="assert" content="Asserting that you can rotate an element with JS and it show up in CSS computed values as a matrix">
<style>
#box{
margin-top:30px;
display: block;
width: 50px;
height: 50px;
background-color: green;
}
</style>
</head>
<body>
<h1>Rotate via JS</h1>
<div id="log"></div>
<div id="box"></div>
<script>
test(function() {
var box = document.getElementById("box");
box.style.transform = "rotate(30deg)";
assert_equals(box.style.transform, "rotate(30deg)");
assert_equals(window.getComputedStyle(box).getPropertyValue("transform"),
"matrix(0.866025, 0.5, -0.5, 0.866025, 0, 0)");
});
</script>
</body>
</html>
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