LayoutTests/fast/dom/TreeWalker/script-tests/traversal-skip-most.js

   1 description('Test TreeWalker with skipping');
   2
   3 var walker;
   4 var testElement = document.createElement("div");
   5 testElement.innerHTML='<div id="A1"><div id="B1" class="keep"></div><div id="B2">this text matters</div><div id="B3" class="keep"></div></div>';
   6
   7 var filter = {
   8   acceptNode: function(node) {
   9     if (node.className == 'keep')
  10       return NodeFilter.FILTER_ACCEPT;
  11
  12     return NodeFilter.FILTER_SKIP;
  13   }
  14 }
  15
  16 debug("<br>Testing nextSibling")
  17 walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false);
  18 shouldBe("walker.firstChild(); walker.currentNode.id", "'B1'");
  19 shouldBe("walker.nextSibling(); walker.currentNode.id", "'B3'");
  20
  21 debug("<br>Testing previousSibling")
  22 walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false);
  23 walker.currentNode = testElement.querySelectorAll('#B3')[0];
  24 shouldBe("walker.previousSibling(); walker.currentNode.id", "'B1'");