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<!DOCTYPE html>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<body>
<script>
[document, new XPathEvaluator()].forEach(evaluator => {
test(() => {
assert_equals(evaluator.createNSResolver(document), document, 'Document');
const fragment = document.createDocumentFragment();
assert_equals(evaluator.createNSResolver(fragment), fragment,
'DocumentFragment');
assert_equals(evaluator.createNSResolver(document.doctype),
document.doctype, 'DocumentType');
assert_equals(evaluator.createNSResolver(document.body), document.body,
'Element');
assert_equals(evaluator.createNSResolver(document.body.firstChild),
document.body.firstChild, 'Text');
const attr = document.createAttribute('foo');
assert_equals(evaluator.createNSResolver(attr), attr, 'Attr');
}, `createNSResolver() should return the specified node as is. (${evaluator.constructor.name})`);
function createAndLookup(evaluator, node) {
return evaluator.createNSResolver(node).lookupNamespaceURI('xml');
}
test(() => {
assert_equals(createAndLookup(evaluator, new Document()), null, 'Document');
assert_equals(createAndLookup(evaluator, new DocumentFragment()), null,
'DocumentFragment');
assert_equals(createAndLookup(evaluator, document.doctype), null,
'DocumentType');
assert_equals(createAndLookup(evaluator, document.createElement('body')),
'http://www.w3.org/XML/1998/namespace', 'Element');
assert_equals(createAndLookup(evaluator, document.createTextNode('foo')),
null, 'Text');
assert_equals(createAndLookup(evaluator, document.createAttribute('bar')),
null, 'Attr');
}, `createNSResolver() resultant object should not add support of 'xml' prefix. (${evaluator.constructor.name})`);
});
</script>
</body>
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