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