third_party/WebKit/LayoutTests/traversal/stay-within-root.html

   1 <html>
   2 <head>
   3 <script language="JavaScript">
   4 if (window.testRunner)
   5     testRunner.dumpAsText();
   6
   7 function log(message) {
   8     var console = document.getElementById("console");
   9     var li = document.createElement("li");
  10     var text = document.createTextNode(message);
  11     li.appendChild(text);
  12     console.appendChild(li);
  13 }
  14
  15 function iteratorTest() {
  16     log("NodeIterator: testing nextNode() (5 should be null)");
  17     var iterator = document.createNodeIterator(divB, NodeFilter.SHOW_ELEMENT, null, false);
  18     iterator.root = divB;
  19     for (i=0; i < 4; i++)
  20         log(iterator.nextNode());
  21
  22     log("NodeIterator: testing previousNode() (7 should be null)");
  23     iterator = document.createNodeIterator(divB, NodeFilter.SHOW_ELEMENT, null, false);
  24     log(iterator.previousNode());
  25
  26     log("TreeWalker: testing nextNode() (11 should be null)");
  27     iterator = document.createTreeWalker(divB, NodeFilter.SHOW_ELEMENT, null, false);
  28     for (i=0; i < 3; i++)
  29         log(iterator.nextNode());
  30
  31     log("TreeWalker: testing previousNode() (13 should be null)");
  32     iterator = document.createTreeWalker(divB, NodeFilter.SHOW_ELEMENT, null, false);
  33     log(iterator.previousNode());
  34 }
  35 </script>
  36 </head>
  37
  38 <body>
  39 <div id="divA">
  40 This test checks that the NodeIterator and TreeWalker functions do not go past the root element that they are supposed to stay within.
  41 <div id="divB">
  42 <div id="divC">
  43 </div>
  44 <div id="divD">
  45 </div>
  46
  47 </div>
  48 </div>
  49
  50 <ol id="console" > </ol>
  51
  52 <script>
  53 iteratorTest();
  54 </script>
  55
  56 </body>
  57
  58 </html>