tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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text-html-elements.html (2660B)

      1 <!doctype html>
      2 <meta charset="utf8">
      3 <title>XPath in text/html: elements</title>
      4 <link rel="help" href="http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#Interfaces">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 <body>
      8 <div id="log"><span></span></div>
      9 <div><span></span></div>
     10 <dØdd></dØdd>
     11 <svg>
     12 <path />
     13 <path />
     14 </svg>
     15 
     16 <script>
     17 function test_xpath_succeeds(path, expected, resolver) {
     18  resolver = resolver ? resolver : null;
     19  var res = document.evaluate(path, document, resolver, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
     20  actual = [];
     21  for (var i=0;;i++) {
     22    var node = res.snapshotItem(i);
     23    if (node === null) {
     24       break;
     25    }
     26    actual.push(node);
     27  }
     28  assert_array_equals(actual, expected);
     29 }
     30 
     31 function test_xpath_throws(path, error_code, resolver) {
     32  resolver = resolver ? resolver : null;
     33  assert_throws_dom(error_code, function() {document.evaluate(path, document, resolver, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)})
     34 }
     35 
     36 function ns_resolver(x) {
     37  map = {"html":"http://www.w3.org/1999/xhtml",
     38         "svg":"http://www.w3.org/2000/svg",
     39         "math":"http://www.w3.org/1998/Math/MathML"};
     40  var rv = map.hasOwnProperty(x) ? map[x] : null;
     41  return rv;
     42 }
     43 
     44 test(function() {
     45  test_xpath_succeeds("//div", document.getElementsByTagName("div"));
     46 }, "HTML elements no namespace prefix");
     47 
     48 test(function() {
     49  test_xpath_succeeds("//html:div", document.getElementsByTagName("div"), ns_resolver);
     50 }, "HTML elements namespace prefix");
     51 
     52 test(function() {
     53  test_xpath_succeeds("//html:div/span", document.getElementsByTagName("span"), ns_resolver);
     54 }, "HTML elements mixed use of prefix");
     55 
     56 test(function() {
     57  test_xpath_succeeds("//path", []);
     58 }, "SVG elements no namespace prefix");
     59 
     60 test(function() {
     61  test_xpath_succeeds("//svg:path", document.getElementsByTagName("path"), ns_resolver);
     62 }, "SVG elements namespace prefix");
     63 
     64 test(function() {
     65  test_xpath_succeeds("//DiV", document.getElementsByTagName("div"));
     66 }, "HTML elements mixed case");
     67 
     68 test(function() {
     69  test_xpath_succeeds("//svg:PatH", [], ns_resolver);
     70 }, "SVG elements mixed case selector");
     71 
     72 test(function() {
     73  test_xpath_succeeds("//dØdd", document.getElementsByTagName("dØdd"), ns_resolver);
     74 }, "Non-ascii HTML element");
     75 
     76 test(function() {
     77  test_xpath_succeeds("//dødd", [], ns_resolver);
     78 }, "Non-ascii HTML element2");
     79 
     80 test(function() {
     81  test_xpath_succeeds("//DØDD", document.getElementsByTagName("dØdd"), ns_resolver);
     82 }, "Non-ascii HTML element3");
     83 
     84 test(function() {
     85  test_xpath_throws("//invalid:path", "NAMESPACE_ERR");
     86 }, "Throw with invalid prefix");
     87 </script>