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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /shadow-dom/Node-prototype-cloneNode.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>DOM: cloneNode(deep)</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="If context object is a shadow root, then it must throw a NotSupportedError.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script>
function testCloneNode(mode) {
test(function () {
assert_throws_dom('NotSupportedError', function () {
var element = document.createElement('div');
var shadowRoot = element.attachShadow({mode: mode});
shadowRoot.cloneNode(false);
}, 'cloneNode(false) on a shadow root in ' + mode + ' mode must throw a NotSupportedError');
assert_throws_dom('NotSupportedError', function () {
var element = document.createElement('div');
var shadowRoot = element.attachShadow({mode: mode});
shadowRoot.cloneNode(false);
}, 'cloneNode(true) on a closed shadow root must throw a NotSupportedError');
}, 'cloneNode on a shadow root in ' + mode + ' mode must throw a NotSupportedError');
}
testCloneNode('open');
testCloneNode('closed');
test(function () {
var element = document.createElement('div');
var shadowRoot = element.attachShadow({mode: 'open'});
assert_equals(element.cloneNode(false).shadowRoot, null, 'cloneNode(false) on an element with an open shadow root should not clone its shadow root');
assert_equals(element.cloneNode(true).shadowRoot, null, 'cloneNode(true) on an element with an open shadow root should not clone its shadow root');
}, 'cloneNode on an element with an open shadow root should not clone its shadow root');
test(function () {
var element = document.createElement('div');
var shadowRoot = element.attachShadow({mode: 'closed'});
assert_true(element.cloneNode(false).attachShadow({mode: 'closed'}) instanceof ShadowRoot,
'An element returned by cloneNode(false) on an element with a closed shadow root should allow attachShadow');
assert_true(element.cloneNode(true).attachShadow({mode: 'closed'}) instanceof ShadowRoot,
'An element returned by cloneNode(true) on an element with a closed shadow root should allow attachShadow');
}, 'cloneNode on an element with a closed shadow root should not clone its shadow root');
</script>
</body>
</html>