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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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