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description('Test TreeWalker with skipping');
var walker;
var testElement = document.createElement("div");
testElement.innerHTML='<div id="A1"> <div id="B1"> <div id="C1"></div> </div> <div id="B2"></div><div id="B3"></div> </div>';
var skipB1Filter = {
acceptNode: function(node) {
if (node.id == 'B1')
return NodeFilter.FILTER_SKIP;
return NodeFilter.FILTER_ACCEPT;
}
}
var skipB2Filter = {
acceptNode: function(node) {
if (node.id == 'B2')
return NodeFilter.FILTER_SKIP;
return NodeFilter.FILTER_ACCEPT;
}
}
debug("<br>Testing nextNode")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false);
shouldBe("walker.nextNode(); walker.currentNode.id", "'A1'");
shouldBe("walker.nextNode(); walker.currentNode.id", "'C1'");
shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'");
shouldBe("walker.nextNode(); walker.currentNode.id", "'B3'");
debug("<br>Testing firstChild")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false);
shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
shouldBe("walker.firstChild(); walker.currentNode.id", "'C1'");
debug("<br>Testing nextSibling")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB2Filter, false);
shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
shouldBe("walker.firstChild(); walker.currentNode.id", "'B1'");
shouldBe("walker.nextSibling(); walker.currentNode.id", "'B3'");
debug("<br>Testing parentNode")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false);
walker.currentNode = testElement.querySelectorAll('#C1')[0];
shouldBe("walker.parentNode(); walker.currentNode.id", "'A1'");
debug("<br>Testing previousSibling")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB2Filter, false);
walker.currentNode = testElement.querySelectorAll('#B3')[0];
shouldBe("walker.previousSibling(); walker.currentNode.id", "'B1'");
debug("<br>Testing previousNode")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, skipB1Filter, false);
walker.currentNode = testElement.querySelectorAll('#B3')[0];
shouldBe("walker.previousNode(); walker.currentNode.id", "'B2'");
shouldBe("walker.previousNode(); walker.currentNode.id", "'C1'");
shouldBe("walker.previousNode(); walker.currentNode.id", "'A1'");
var successfullyParsed = true;
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