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<!DOCTYPE HTML>
<html>
<!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1020244 -->
<head>
<meta charset="utf-8">
<title>Test for Bug 1020244 - Make sure anonymous content still works after a reflow (after the canvasframe has been reconstructed)</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div>
<div id="test-element" style="color:red;">text content</div>
</div>
<script type="application/javascript">
info("Inserting anonymous content into the document frame");
let chromeDocument = SpecialPowers.wrap(document);
let testElement = document.querySelector("div");
let anonymousContent = chromeDocument.insertAnonymousContent(testElement);
info("Modifying the style of an element in the anonymous content");
let style = anonymousContent.setAttributeForElement("test-element",
"style", "color:green;");
info("Toggling the display style on the document element to force reframing");
// Note that we force sync reflows to make sure the canvasframe is recreated
// synchronously.
document.documentElement.style.display = "none";
let forceFlush = document.documentElement.offsetHeight;
document.documentElement.style.display = "block";
forceFlush = document.documentElement.offsetHeight;
info("Checking that the anonymous content can be retrieved still");
style = anonymousContent.getAttributeForElement("test-element", "style");
is(style, "color:green;", "The anonymous content still exists after reflow");
info("Removing the anonymous content");
chromeDocument.removeAnonymousContent(anonymousContent);
</script>
</body>
</html>
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