description('Test TreeWalker with rejection');
var walker;
var testElement = document.createElement("div");
testElement.innerHTML='
';
var rejectB1Filter = {
acceptNode: function(node) {
if (node.id == 'B1')
return NodeFilter.FILTER_REJECT;
return NodeFilter.FILTER_ACCEPT;
}
}
var rejectB2Filter = {
acceptNode: function(node) {
if (node.id == 'B2')
return NodeFilter.FILTER_SKIP;
return NodeFilter.FILTER_ACCEPT;
}
}
debug("
Testing nextNode")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
shouldBe("walker.nextNode(); walker.currentNode.id", "'A1'");
shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'");
shouldBe("walker.nextNode(); walker.currentNode.id", "'B3'");
debug("
Testing firstChild")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
shouldBe("walker.firstChild(); walker.currentNode.id", "'B2'");
debug("
Testing nextSibling")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB2Filter, false);
shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
shouldBe("walker.firstChild(); walker.currentNode.id", "'B1'");
shouldBe("walker.nextSibling(); walker.currentNode.id", "'B3'");
debug("
Testing parentNode")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
walker.currentNode = testElement.querySelectorAll('#C1')[0];
shouldBe("walker.parentNode(); walker.currentNode.id", "'A1'");
debug("
Testing previousSibling")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB2Filter, false);
walker.currentNode = testElement.querySelectorAll('#B3')[0];
shouldBe("walker.previousSibling(); walker.currentNode.id", "'B1'");
debug("
Testing previousNode")
walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
walker.currentNode = testElement.querySelectorAll('#B3')[0];
shouldBe("walker.previousNode(); walker.currentNode.id", "'B2'");
shouldBe("walker.previousNode(); walker.currentNode.id", "'A1'");
var successfullyParsed = true;