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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 <link rel="stylesheet" href="../../../../resources/testharness.css"> |
| 12 <div id=log></div> |
| 13 </head> |
| 14 <body> |
| 15 <div id='parent'> |
| 16 <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> |
| 17 </div> |
| 18 <p>Test TreeWalker currentNode functionality</p> |
| 19 <script> |
| 20 // var subTree = document.createElement('div'); |
| 21 // 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>" |
| 22 // document.body.appendChild(subTree); |
| 23 var subTree = document.getElementById("subTree"); |
| 24 |
| 25 var all = function(node) { return true; } |
| 26 |
| 27 test(function() |
| 28 { |
| 29 var w = document.createTreeWalker(subTree, NodeFilter.SHOW_ELEMENT, all); |
| 30 assert_node(w.currentNode, { type: Element, id: 'subTree' }); |
| 31 assert_equals(w.parentNode(), null); |
| 32 assert_node(w.currentNode, { type: Element, id: 'subTree' }); |
| 33 }, "Test that TreeWalker.parent() doesn't set the currentNode to a node not unde
r the root."); |
| 34 |
| 35 test(function() |
| 36 { |
| 37 var w = document.createTreeWalker(subTree, |
| 38 NodeFilter.SHOW_ELEMENT |
| 39 | NodeFilter.SHOW_COMMENT, |
| 40 all); |
| 41 w.currentNode = document.documentElement; |
| 42 assert_equals(w.parentNode(), null); |
| 43 assert_equals(w.currentNode, document.documentElement); |
| 44 w.currentNode = document.documentElement; |
| 45 assert_equals(w.nextNode(), document.documentElement.firstChild); |
| 46 assert_equals(w.currentNode, document.documentElement.firstChild); |
| 47 w.currentNode = document.documentElement; |
| 48 assert_equals(w.previousNode(), null); |
| 49 assert_equals(w.currentNode, document.documentElement); |
| 50 w.currentNode = document.documentElement; |
| 51 assert_equals(w.firstChild(), document.documentElement.firstChild); |
| 52 assert_equals(w.currentNode, document.documentElement.firstChild); |
| 53 w.currentNode = document.documentElement; |
| 54 assert_equals(w.lastChild(), document.documentElement.lastChild); |
| 55 assert_equals(w.currentNode, document.documentElement.lastChild); |
| 56 w.currentNode = document.documentElement; |
| 57 assert_equals(w.nextSibling(), null); |
| 58 assert_equals(w.currentNode, document.documentElement); |
| 59 w.currentNode = document.documentElement; |
| 60 assert_equals(w.previousSibling(), null); |
| 61 assert_equals(w.currentNode, document.documentElement); |
| 62 }, "Test that we handle setting the currentNode to arbitrary nodes not under the
root element."); |
| 63 |
| 64 test(function() |
| 65 { |
| 66 var w = document.createTreeWalker(subTree, NodeFilter.SHOW_ELEMENT, all); |
| 67 w.currentNode = subTree.previousSibling; |
| 68 assert_equals(w.nextNode(), subTree); |
| 69 w.currentNode = document.getElementById("parent"); |
| 70 assert_equals(w.firstChild(), subTree); |
| 71 }, "Test how we handle the case when the traversed to node is within the root, b
ut the currentElement is not."); |
| 72 </script> |
| 73 </body> |
| 74 </html> |
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