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<!DOCTYPE html>
<html>
<!--
Test adapted from chromium/source/src/third_party/WebKit/LayoutTests/fast/dom/TreeWalker/resources/TreeWalker-currentNode.js
-->
<head>
<title>TreeWalker: currentNode</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/assert-node.js"></script>
<div id=log></div>
</head>
<body>
<div id='parent'>
<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> labore</b> et dolore magna</tt> aliqua.</p></div>
</div>
<p>Test TreeWalker currentNode functionality</p>
<script>
// var subTree = document.createElement('div');
// subTree.innerHTML = "<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> labore</b> et dolore magna</tt> aliqua.</p>"
// document.body.appendChild(subTree);
var subTree = document.getElementById("subTree");
var all = function(node) { return true; }
test(function()
{
var w = document.createTreeWalker(subTree, NodeFilter.SHOW_ELEMENT, all);
assert_node(w.currentNode, { type: Element, id: 'subTree' });
assert_equals(w.parentNode(), null);
assert_node(w.currentNode, { type: Element, id: 'subTree' });
}, "Test that TreeWalker.parent() doesn't set the currentNode to a node not under the root.");
test(function()
{
var w = document.createTreeWalker(subTree,
NodeFilter.SHOW_ELEMENT
| NodeFilter.SHOW_COMMENT,
all);
w.currentNode = document.documentElement;
assert_equals(w.parentNode(), null);
assert_equals(w.currentNode, document.documentElement);
w.currentNode = document.documentElement;
assert_equals(w.nextNode(), document.documentElement.firstChild);
assert_equals(w.currentNode, document.documentElement.firstChild);
w.currentNode = document.documentElement;
assert_equals(w.previousNode(), null);
assert_equals(w.currentNode, document.documentElement);
w.currentNode = document.documentElement;
assert_equals(w.firstChild(), document.documentElement.firstChild);
assert_equals(w.currentNode, document.documentElement.firstChild);
w.currentNode = document.documentElement;
assert_equals(w.lastChild(), document.documentElement.lastChild);
assert_equals(w.currentNode, document.documentElement.lastChild);
w.currentNode = document.documentElement;
assert_equals(w.nextSibling(), null);
assert_equals(w.currentNode, document.documentElement);
w.currentNode = document.documentElement;
assert_equals(w.previousSibling(), null);
assert_equals(w.currentNode, document.documentElement);
}, "Test that we handle setting the currentNode to arbitrary nodes not under the root element.");
test(function()
{
var w = document.createTreeWalker(subTree, NodeFilter.SHOW_ELEMENT, all);
w.currentNode = subTree.previousSibling;
assert_equals(w.nextNode(), subTree);
w.currentNode = document.getElementById("parent");
assert_equals(w.firstChild(), subTree);
}, "Test how we handle the case when the traversed to node is within the root, but the currentElement is not.");
</script>
</body>
</html>
|
