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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=628938
-->
<head>
<title>Test for Bug 628938</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=628938">Mozilla Bug 628938</a>
<p id="display"></p>
<foo id="content" style="display: none">
<div><div>foo</div></div>
<span> bar </span>
<div>tulip<span>bar</span></div>
<span></span>
<div>foo</div>
<span></span>
<div>bar</div>
<span></span>
<div>foobar</div>
</foo>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 628938 **/
var gResults = [];
var gIdx = 0;
function walkTree(walker)
{
if(walker.firstChild()) {
do {
if (walker.currentNode.nodeType == Node.ELEMENT_NODE) {
ok(gResults[gIdx][0], "current node should be an element");
is(walker.currentNode.nodeName, gResults[gIdx][1],
"current node name should be " + gResults[gIdx][1]);
} else {
ok(!gResults[gIdx][0], "current node shouldn't be an element");
is(walker.currentNode.nodeValue, gResults[gIdx][1],
"current node value should be " + gResults[gIdx][1]);
}
gIdx++;
// Recursively walk the rest of the sub-tree.
walkTree(walker);
} while(walker.nextSibling());
// don't forget to return the treewalker to it's previous state
// before exiting the function
walker.parentNode();
}
}
function regularWalk()
{
gResults = [
[ false, "\n " ],
[ true, "DIV" ],
[ true, "DIV" ],
[ false, "foo" ],
[ false, "\n " ],
[ true, "SPAN" ],
[ false, " bar " ],
[ false, "\n " ],
[ true, "DIV" ],
[ false, "tulip" ],
[ true, "SPAN" ],
[ false, "bar" ],
[ false, "\n " ],
[ true, "SPAN" ],
[ false, "\n " ],
[ true, "DIV" ],
[ false, "foo" ],
[ false, "\n " ],
[ true, "SPAN" ],
[ false, "\n " ],
[ true, "DIV" ],
[ false, "bar" ],
[ false, "\n " ],
[ true, "SPAN" ],
[ false, "\n " ],
[ true, "DIV" ],
[ false, "foobar" ],
[ false, "\n" ],
];
var walker = document.createTreeWalker(document.getElementById('content'),
NodeFilter.SHOW_ALL, null);
walkTree(walker);
gIdx = 0;
}
function noWhiteSpaceWalk()
{
gResults = [
[ true, "DIV" ],
[ true, "DIV" ],
[ false, "foo" ],
[ true, "SPAN" ],
[ false, " bar " ],
[ true, "DIV" ],
[ false, "tulip" ],
[ true, "SPAN" ],
[ false, "bar" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ false, "foo" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ false, "bar" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ false, "foobar" ],
];
var walker = document.createTreeWalker(document.getElementById('content'),
NodeFilter.SHOW_ALL,
{
acceptNode(node) {
if (node.nodeType == Node.TEXT_NODE &&
!(/[^\t\n\r ]/.test(node.nodeValue)))
return NodeFilter.FILTER_REJECT;
return NodeFilter.FILTER_ACCEPT;
}
});
walkTree(walker);
gIdx = 0;
}
function onlyElementsWalk()
{
gResults = [
[ true, "DIV" ],
[ true, "DIV" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ true, "SPAN" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ true, "SPAN" ],
[ true, "DIV" ],
];
var walker = document.createTreeWalker(document.getElementById('content'),
NodeFilter.SHOW_ELEMENT, null);
walkTree(walker);
gIdx = 0;
}
function onlyDivSubTreeWalk()
{
gResults = [
[ true, "DIV" ],
[ true, "DIV" ],
[ false, "foo" ],
[ true, "DIV" ],
[ false, "tulip" ],
[ true, "SPAN" ],
[ false, "bar" ],
[ true, "DIV" ],
[ false, "foo" ],
[ true, "DIV" ],
[ false, "bar" ],
[ true, "DIV" ],
[ false, "foobar" ],
];
var walker = document.createTreeWalker(document.getElementById('content'),
NodeFilter.SHOW_ALL,
{
acceptNode(node) {
if (node.nodeType == Node.TEXT_NODE &&
!(/[^\t\n\r ]/.test(node.nodeValue)))
return NodeFilter.FILTER_REJECT;
while (node) {
if (node.nodeName == "DIV")
return NodeFilter.FILTER_ACCEPT;
node = node.parentNode;
}
return NodeFilter.FILTER_SKIP;
}
});
walkTree(walker);
gIdx = 0;
}
function onlyDivDataWalk()
{
gResults = [
[ true, "DIV" ],
[ true, "DIV" ],
[ false, "foo" ],
[ true, "DIV" ],
[ false, "tulip" ],
[ true, "SPAN" ],
[ true, "DIV" ],
[ false, "foo" ],
[ true, "DIV" ],
[ false, "bar" ],
[ true, "DIV" ],
[ false, "foobar" ],
];
var walker = document.createTreeWalker(document.getElementById('content'),
NodeFilter.SHOW_ALL,
{
acceptNode(node) {
if (node.nodeName == "DIV" ||
(node.parentNode &&
node.parentNode.nodeName == "DIV"))
return NodeFilter.FILTER_ACCEPT;
return NodeFilter.FILTER_SKIP;
}
});
walkTree(walker);
gIdx = 0;
}
regularWalk();
noWhiteSpaceWalk();
onlyElementsWalk();
onlyDivSubTreeWalk();
onlyDivDataWalk();
</script>
</pre>
</body>
</html>
|
