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1 <!DOCTYPE html> | |
2 <html> | |
3 <!-- | |
4 Test adapted from https://mxr.mozilla.org/chromium/source/src/third_party/WebKit
/LayoutTests/fast/dom/TreeWalker/resources/TreeWalker-currentNode.js | |
5 --> | |
6 <head> | |
7 <title>TreeWalker: currentNode</title> | |
8 <script src="../../../../resources/testharness.js"></script> | |
9 <script src="../../../../resources/testharnessreport.js"></script> | |
10 <script src="traversal-support.js"></script> | |
11 <div id=log></div> | |
12 </head> | |
13 <body> | |
14 <div id='parent'> | |
15 <div id='subTree'><p>Lorem ipsum <span>dolor <b>sit</b> amet</span>, consectetur
<i>adipisicing</i> elit, sed do eiusmod <tt>tempor <b><i>incididunt ut</i> labo
re</b> et dolore magna</tt> aliqua.</p></div> | |
16 </div> | |
17 <p>Test TreeWalker currentNode functionality</p> | |
18 <script> | |
19 // var subTree = document.createElement('div'); | |
20 // subTree.innerHTML = "<p>Lorem ipsum <span>dolor <b>sit</b> amet</span>, conse
ctetur <i>adipisicing</i> elit, sed do eiusmod <tt>tempor <b><i>incididunt ut</i
> labore</b> et dolore magna</tt> aliqua.</p>" | |
21 // document.body.appendChild(subTree); | |
22 var subTree = document.getElementById("subTree"); | |
23 | |
24 var all = function(node) { return true; } | |
25 | |
26 test(function() | |
27 { | |
28 var w = document.createTreeWalker(subTree, NodeFilter.SHOW_ELEMENT, all); | |
29 assert_node(w.currentNode, { type: Element, id: 'subTree' }); | |
30 assert_equals(w.parentNode(), null); | |
31 assert_node(w.currentNode, { type: Element, id: 'subTree' }); | |
32 }, "Test that TreeWalker.parent() doesn't set the currentNode to a node not unde
r the root."); | |
33 | |
34 test(function() | |
35 { | |
36 var w = document.createTreeWalker(subTree, | |
37 NodeFilter.SHOW_ELEMENT | |
38 | NodeFilter.SHOW_COMMENT, | |
39 all); | |
40 w.currentNode = document.documentElement; | |
41 assert_equals(w.parentNode(), null); | |
42 assert_equals(w.currentNode, document.documentElement); | |
43 w.currentNode = document.documentElement; | |
44 assert_equals(w.nextNode(), document.documentElement.firstChild); | |
45 assert_equals(w.currentNode, document.documentElement.firstChild); | |
46 w.currentNode = document.documentElement; | |
47 assert_equals(w.previousNode(), null); | |
48 assert_equals(w.currentNode, document.documentElement); | |
49 w.currentNode = document.documentElement; | |
50 assert_equals(w.firstChild(), document.documentElement.firstChild); | |
51 assert_equals(w.currentNode, document.documentElement.firstChild); | |
52 w.currentNode = document.documentElement; | |
53 assert_equals(w.lastChild(), document.documentElement.lastChild); | |
54 assert_equals(w.currentNode, document.documentElement.lastChild); | |
55 w.currentNode = document.documentElement; | |
56 assert_equals(w.nextSibling(), null); | |
57 assert_equals(w.currentNode, document.documentElement); | |
58 w.currentNode = document.documentElement; | |
59 assert_equals(w.previousSibling(), null); | |
60 assert_equals(w.currentNode, document.documentElement); | |
61 }, "Test that we handle setting the currentNode to arbitrary nodes not under the
root element."); | |
62 | |
63 test(function() | |
64 { | |
65 var w = document.createTreeWalker(subTree, NodeFilter.SHOW_ELEMENT, all); | |
66 w.currentNode = subTree.previousSibling; | |
67 assert_equals(w.nextNode(), subTree); | |
68 w.currentNode = document.getElementById("parent"); | |
69 assert_equals(w.firstChild(), subTree); | |
70 }, "Test how we handle the case when the traversed to node is within the root, b
ut the currentElement is not."); | |
71 </script> | |
72 </body> | |
73 </html> | |
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