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<html>
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https://bugzilla.mozilla.org/show_bug.cgi?id=444722
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-->
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<head>
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<title>Test for the ElementTraversal spec</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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ElementTraversal
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spandiv
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p1
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text here
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p2
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abcde
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<script class="testbody" type="text/javascript">
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var c = document.getElementById('content');
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var cc = c.children;
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var contents = ["span", "div", "p1", "p2", "abcde"];
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function testContent() {
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for(i = 0, e = c.firstElementChild; e; e = e.nextElementSibling, i++) {
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is(e.textContent, contents[i], "wrong element contents");
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is(e, c.children[i], "wrong element");
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is(e, c.children.item(i), "wrong element");
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}
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is(i, contents.length, "wrong number of element siblings");
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is(i, c.childElementCount, "wrong number of child elements");
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is(i, c.children.length, "wrong number of child elements");
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// Nuke all elements to retest the child list.
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c.innerHTML = c.innerHTML;
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for(i--, e = c.lastElementChild; e; e = e.previousElementSibling, i--) {
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is(e.textContent, contents[i], "g element contents");
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is(e, c.children[i], "wrong element");
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is(e, c.children.item(i), "wrong element");
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}
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is(i, -1, "wrong number of element siblings");
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}
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testContent();
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is(cc.length, 5, "wrong number of child elements");
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is(c.childElementCount, 5, "wrong number of child elements");
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var p1 = document.getElementById('p1');
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var p2 = document.getElementById('p2');
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is(p1.nextElementSibling, p2, "wrong sibling");
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is(p2.previousElementSibling, p1, "wrong sibling");
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u = document.createElement('u');
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u.textContent = 'u';
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c.insertBefore(u, p2);
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is(cc.length, 6, "wrong number of child elements");
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is(c.childElementCount, 6, "wrong number of child elements");
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is(p1.nextElementSibling, u, "wrong sibling");
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is(p2.previousElementSibling, u, "wrong sibling");
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contents.splice(3, 0, "u");
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testContent();
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var p1 = document.getElementById('p1');
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var p2 = document.getElementById('p2');
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c.removeChild(p1);
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c.removeChild(p2);
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is(cc.length, 4, "wrong number of child elements");
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is(c.childElementCount, 4, "wrong number of child elements");
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contents.splice(2, 1);
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contents.splice(3, 1);
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testContent();
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tw = document.createTreeWalker(document.documentElement,
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NodeFilter.SHOW_ELEMENT,
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null);
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e = document.documentElement;
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elemsTested = 0;
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done = false;
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while(!done) {
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is(tw.currentNode, e, "wrong element:" + tw.currentNode + " != " + e);
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elemsTested++;
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if(tw.firstChild()) {
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e = e.firstElementChild;
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}
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else {
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while (!tw.nextSibling()) {
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if (!tw.parentNode()) {
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done = true;
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break;
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}
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e = e.parentNode;
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}
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e = e.nextElementSibling;
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}
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}
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is(elemsTested, document.getElementsByTagName("*").length,
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"wrong number of elements");
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</script>
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</body>
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</html>
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