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<!DOCTYPE html>
<meta charset="utf-8">
<title>Cross-document XPath expressions</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
function toArray(result) {
var a = [];
while (true) {
var node = result.iterateNext();
if (node === null) break;
a.push(node);
}
return a;
}
var html_ns = "http://www.w3.org/1999/xhtml";
var xml_doc = document.implementation.createDocument(html_ns, "html");
var html_doc = document.implementation.createHTMLDocument();
function ns_resolver(x) {
if (x === "html") {
return html_ns;
} else {
return null;
}
}
test(function() {
var xml_doc_expression = xml_doc.createExpression("//html");
assert_array_equals(toArray(xml_doc_expression.evaluate(xml_doc)), []);
}, "expression from XML document, context node in XML document, no namespace resolver");
test(function() {
var html_doc_expression = html_doc.createExpression("//html");
assert_array_equals(toArray(html_doc_expression.evaluate(html_doc)), [html_doc.documentElement]);
}, "expression from HTML document, context node in HTML document, no namespace resolver");
test(function() {
var xml_doc_expression = xml_doc.createExpression("//html");
assert_array_equals(toArray(xml_doc_expression.evaluate(html_doc)), [html_doc.documentElement]);
}, "expression from XML document, context node in HTML document, no namespace resolver");
test(function() {
var html_doc_expression = html_doc.createExpression("//html");
assert_array_equals(toArray(html_doc_expression.evaluate(xml_doc)), []);
}, "expression from HTML document, context node in XML document, no namespace resolver");
test(function() {
var xml_doc_expression = xml_doc.createExpression("//html", ns_resolver);
assert_array_equals(toArray(xml_doc_expression.evaluate(xml_doc)), []);
}, "expression from XML document, context node in XML document, with namespace resolver");
test(function() {
var html_doc_expression = html_doc.createExpression("//html", ns_resolver);
assert_array_equals(toArray(html_doc_expression.evaluate(html_doc)), [html_doc.documentElement]);
}, "expression from HTML document, context node in HTML document, with namespace resolver");
test(function() {
var xml_doc_expression = xml_doc.createExpression("//html", ns_resolver);
assert_array_equals(toArray(xml_doc_expression.evaluate(html_doc)), [html_doc.documentElement]);
}, "expression from XML document, context node in HTML document, with namespace resolver");
test(function() {
var html_doc_expression = html_doc.createExpression("//html", ns_resolver);
assert_array_equals(toArray(html_doc_expression.evaluate(xml_doc)), []);
}, "expression from HTML document, context node in XML document, with namespace resolver");
</script>
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