1description('Test JS objects as NodeFilters.'); 2 3var walker; 4var testElement = document.createElement("div"); 5testElement.id = 'root'; 6testElement.innerHTML='<div id="A1"><div id="B1"></div><div id="B2"></div></div>'; 7debug("Testing with object filter"); 8walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, function(node) { 9 throw('filter exception'); 10 return NodeFilter.FILTER_ACCEPT; 11}, false); 12 13debug("Test with filter function"); 14shouldThrow("walker.firstChild();"); 15shouldBe("walker.currentNode.id", "'root'") 16shouldThrow("walker.nextNode();walker.currentNode.id"); 17shouldBe("walker.currentNode.id", "'root'") 18 19walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, { 20 acceptNode : function(node) { 21 throw('filter exception'); 22 return NodeFilter.FILTER_ACCEPT; 23 } 24 }, false); 25 26debug("<br>Test with filter object"); 27shouldThrow("walker.firstChild();"); 28shouldBe("walker.currentNode.id", "'root'") 29shouldThrow("walker.nextNode();walker.currentNode.id"); 30shouldBe("walker.currentNode.id", "'root'") 31 32var successfullyParsed = true; 33