xml_xpath_runner.html

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This WPT test may be referenced by the following Test IDs:
- /domxpath/xml_xpath_runner.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>XPath tests</title>

<meta name="timeout" content="long">

<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>