expression-different-document.tentative.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /domxpath/expression-different-document.tentative.html - WPT Dashboard Interop Dashboard

<!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>