traversal-reject.js revision eff69b907ef2cd3a9af0351287a929c66f58e3f6 
1description('Test TreeWalker with rejection');
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 rejectB1Filter = {
8  acceptNode: function(node) {
9    if (node.id == 'B1')
10      return NodeFilter.FILTER_REJECT;
11
12    return NodeFilter.FILTER_ACCEPT;
13  }
14}
15
16var rejectB2Filter = {
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, rejectB1Filter, false);
27shouldBe("walker.nextNode(); walker.currentNode.id", "'A1'");
28shouldBe("walker.nextNode(); walker.currentNode.id", "'B2'");
29shouldBe("walker.nextNode(); walker.currentNode.id", "'B3'");
30
31debug("<br>Testing firstChild")
32walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
33shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
34shouldBe("walker.firstChild(); walker.currentNode.id", "'B2'");
35
36debug("<br>Testing nextSibling")
37walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB2Filter, false);
38shouldBe("walker.firstChild(); walker.currentNode.id", "'A1'");
39shouldBe("walker.firstChild(); walker.currentNode.id", "'B1'");
40shouldBe("walker.nextSibling(); walker.currentNode.id", "'B3'");
41
42debug("<br>Testing parentNode")
43walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
44walker.currentNode = testElement.querySelectorAll('#C1')[0];
45shouldBe("walker.parentNode(); walker.currentNode.id", "'A1'");
46
47debug("<br>Testing previousSibling")
48walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB2Filter, false);
49walker.currentNode = testElement.querySelectorAll('#B3')[0];
50shouldBe("walker.previousSibling(); walker.currentNode.id", "'B1'");
51
52debug("<br>Testing previousNode")
53walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, rejectB1Filter, false);
54walker.currentNode = testElement.querySelectorAll('#B3')[0];
55shouldBe("walker.previousNode(); walker.currentNode.id", "'B2'");
56shouldBe("walker.previousNode(); walker.currentNode.id", "'A1'");
57
58var successfullyParsed = true;
59