| Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-importNode.html
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| diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-importNode.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-importNode.html
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..d718d42697c789453d565fccf22cc14c8f228e06
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| --- /dev/null
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| +++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-importNode.html
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| @@ -0,0 +1,31 @@
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| +<!DOCTYPE html>
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| +<html>
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| +<head>
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| +<title>DOM and Shadow DOM: Document.prototype.importNode</title>
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| +<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
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| +<meta name="assert" content="The importNode(node, deep) method must throw a NotSupportedError exception if node is a shadow root.">
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| +<link rel="help" href="https://dom.spec.whatwg.org/#dom-document-importnode">
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| +<script src="../../../resources/testharness.js"></script>
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| +<script src="../../../resources/testharnessreport.js"></script>
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| +</head>
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| +<body>
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| +<div id="log"></div>
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| +<script>
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| +
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| +function testImportNode(mode) {
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| +    test(function () {
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| +        var newDocument = document.implementation.createHTMLDocument();
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| +        assert_throws({'name': 'NotSupportedError'}, function () {
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| +            var element = document.createElement('div');
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| +            var shadowRoot = element.attachShadow({mode: mode});
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| +            newDocument.importNode(shadowRoot);
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| +        });
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| +    }, 'importNode on a shadow root in ' + mode + ' mode must throw a NotSupportedError');
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| +}
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| +
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| +testImportNode('open');
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| +testImportNode('closed');
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| +
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| +</script>
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| +</body>
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| +</html>
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| 
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