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<!doctype html>
<title>XPath tests</title>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script>
setup({ explicit_done: true });
function find_child_element(context, element) {
for (var i = 0; i < context.childNodes.length; i++) {
var child = context.childNodes[i];
if (child.nodeType === Node.ELEMENT_NODE && child.tagName === element)
return child;
}
}
function xpath_test(test_el) {
/* note this func adopts the tree! */
var new_doc = document.implementation.createDocument("", "");
var xpath = find_child_element(test_el, "xpath");
var result = find_child_element(test_el, "result");
var namespace = find_child_element(result, "namespace");
var localname = find_child_element(result, "localname");
var nth = find_child_element(result, "nth");
var tree = find_child_element(test_el, "tree");
var actual_tree = new_doc.adoptNode(tree.firstElementChild);
new_doc.appendChild(actual_tree);
test(function() {
var result = new_doc.evaluate(xpath.textContent, // expression
actual_tree, // context node
new_doc.createNSResolver(actual_tree), // resolver
XPathResult.ANY_TYPE, // type
null); // result
var matched = [];
var cur;
while ((cur = result.iterateNext()) !== null) {
matched.push(cur);
}
assert_equals(matched.length, 1, "Should match one node");
var similar = new_doc.getElementsByTagNameNS(namespace.textContent,
localname.textContent);
assert_equals(matched[0], similar[nth.textContent]);
});
}
var xhr = new XMLHttpRequest();
xhr.open("GET", "xml_xpath_tests.xml");
xhr.onload = function(e) {
var tests = xhr.responseXML.documentElement;
for (var i = 0; i < tests.childNodes.length; i++) {
var child = tests.childNodes[i];
if (child.nodeType === Node.ELEMENT_NODE) {
xpath_test(child);
}
}
done();
};
xhr.send();
</script>
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