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Test Info:
- This WPT test may be referenced by the following Test IDs:
            
- /shadow-dom/Document-prototype-adoptNode.html - WPT Dashboard Interop Dashboard
 
 
<!DOCTYPE html>
<html>
<head>
<title>DOM and Shadow DOM: Document.prototype.adoptNode</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="The adoptNode(node) method must throw a HierarchyRequestError exception if node is a shadow root.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script>
function testAdoptNode(mode) {
    test(function () {
        var newDocument = document.implementation.createHTMLDocument();
        assert_throws_dom('HierarchyRequestError', function () {
            var element = document.createElement('div');
            var shadowRoot = element.attachShadow({mode: mode});
            newDocument.adoptNode(shadowRoot);
        });
    }, 'adoptNode on a shadow root in ' + mode + ' mode must throw a HierarchyRequestError');
}
testAdoptNode('open');
testAdoptNode('closed');
</script>
</body>
</html>