tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_bug559526.html (2039B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <!--
      4 https://bugzilla.mozilla.org/show_bug.cgi?id=559526
      5 -->
      6 <head>
      7  <title>Test for Bug 559526</title>
      8  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      9  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
     10 </head>
     11 <body>
     12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=559526">Mozilla Bug 559526</a>
     13 <p id="display"></p>
     14 <div id="content" style="display: none">
     15  
     16 </div>
     17 <pre id="test">
     18 <div id="nodes" style="display:none">
     19  <div id="child1"></div>
     20  <div id="child2"></div>
     21 
     22  <div id="child3"></div>
     23  <div id="child4"></div>
     24  <div id="child5"></div>
     25  <div id="child6"></div>
     26  <div id="child7"></div>
     27  <div id="child8"></div>
     28 </div>
     29 <script type="application/javascript">
     30 
     31 /** Test for Bug 559526 */
     32 
     33 var it;
     34 var recurse = false;
     35 var testCount = 0;
     36 function filter(node) {
     37  if (node.id == "child3" && ! recurse) {
     38    recurse = true;
     39    var ex = null;
     40    try {
     41      var foo = it.nextNode();
     42    } catch(e) {
     43      ex = e;
     44    }
     45    ++testCount;
     46    is(ex.name, "InvalidStateError", "Should have thrown an exception!");
     47    is(ex.code, DOMException.INVALID_STATE_ERR, "Should have thrown an exception!");
     48    recurse = false;
     49  }
     50  return NodeFilter.FILTER_ACCEPT;
     51 }
     52 
     53 (function testNodeIterator() {
     54 
     55  it = document.createNodeIterator(
     56    document.getElementById("nodes"),
     57    NodeFilter.SHOW_ELEMENT,
     58    filter
     59  );
     60  while (it.nextNode());
     61 })();
     62 
     63 (function testTreeWalker() {
     64  it = document.createTreeWalker(
     65    document.getElementById("nodes"),
     66    NodeFilter.SHOW_ELEMENT,
     67    filter
     68  );
     69  while(it.nextNode());
     70 
     71  it = document.createTreeWalker(
     72    document.getElementById("nodes"),
     73    NodeFilter.SHOW_ELEMENT,
     74    filter
     75  );
     76  it.firstChild();
     77  while(it.nextSibling());
     78 
     79  it = document.createTreeWalker(
     80    document.getElementById("nodes"),
     81    NodeFilter.SHOW_ELEMENT,
     82    filter
     83  );
     84  it.lastChild();
     85  while(it.previousSibling());
     86 })();
     87 
     88 is(testCount, 4, "Should have tests 3 filter calls!");
     89 
     90 </script>
     91 </pre>
     92 </body>
     93 </html>