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Test Info:
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<script type="text/javascript" src="head.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1177991">Mozilla Bug 1177991</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
createIframe()
.then((aDocument) => {
var thrownException = false;
var shadowRoot = aDocument.createElement('div').attachShadow({mode: "open"});
try {
aDocument.adoptNode(shadowRoot);
} catch(err) {
thrownException = err;
}
ok(thrownException !== false, "A HierarchyRequestError");
is(thrownException.name, "HierarchyRequestError", "A HierarchyRequestError should've been thrown");
SimpleTest.finish();
});
</script>
</pre>
</body>
</html>