1description('Test TreeWalker with skipping'); 2 3var walker; 4var testElement = document.createElement("div"); 5testElement.innerHTML='<div id="A1"> <div id="B1"> <div id="C1"></div> </div> <div id="B2"></div><div id="B3"></div> </div>'; 6 7var skipB1Filter = { 8 acceptNode: function(node) { 9 if (node.id == 'B1') 10 return NodeFilter.FILTER_SKIP; 11 12 return NodeFilter.FILTER_ACCEPT; 13 } 14} 15 16var skipB2Filter = { 17 acceptNode: function(node) { 18 if (node.id == 'B2') 19 return NodeFilter.FILTER_SKIP; 20 21 return NodeFilter.FILTER_ACCEPT; 22 } 23} 24 25debug("<br>Testing nextNode") 26walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false); 27shouldBe("walker.nextNode(); walker.currentNode.id", "'A1'"); 28shouldBe("walker.nextNode(); walker.currentNode.id", "'C1'"); 29shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'"); 30shouldBe("walker.nextNode(); walker.currentNode.id", "'B3'"); 31 32debug("<br>Testing firstChild") 33walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false); 34shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'"); 35shouldBe("walker.firstChild(); walker.currentNode.id", "'C1'"); 36 37debug("<br>Testing nextSibling") 38walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB2Filter, false); 39shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'"); 40shouldBe("walker.firstChild(); walker.currentNode.id", "'B1'"); 41shouldBe("walker.nextSibling(); walker.currentNode.id", "'B3'"); 42 43debug("<br>Testing parentNode") 44walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false); 45walker.currentNode = testElement.querySelectorAll('#C1')[0]; 46shouldBe("walker.parentNode(); walker.currentNode.id", "'A1'"); 47 48debug("<br>Testing previousSibling") 49walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB2Filter, false); 50walker.currentNode = testElement.querySelectorAll('#B3')[0]; 51shouldBe("walker.previousSibling(); walker.currentNode.id", "'B1'"); 52 53debug("<br>Testing previousNode") 54walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false); 55walker.currentNode = testElement.querySelectorAll('#B3')[0]; 56shouldBe("walker.previousNode(); walker.currentNode.id", "'B2'"); 57shouldBe("walker.previousNode(); walker.currentNode.id", "'C1'"); 58shouldBe("walker.previousNode(); walker.currentNode.id", "'A1'"); 59 60var successfullyParsed = true; 61