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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=628938
+-->
+<head>
+ <title>Test for Bug 628938</title>
+ <script type="application/javascript" 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 : function(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 : function(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 : function(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>