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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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dom/base/test/test_NodeIterator_mutations_2.html Normal file
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<!DOCTYPE HTML>
<html>
<!-- NodeIterator mutation tests, 2.
Originally part of WebKit, Mochi-ified by Zack Weinberg.
This file based on node-iterator-00[...].html from
http://svn.webkit.org/repository/webkit/trunk/LayoutTests/traversal/
-->
<head>
<title>DOM Traversal: NodeIterator: Mutations (2/x)</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
</head>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
function resetContent() {
var content = $('content');
content.innerHTML = ('<span id="A"><\/span><span id="B"><\/span>'
+ '<span id="C"><\/span><span id="D"><\/span>'
+ '<span id="E"><\/span><span id="F"><\/span>'
+ '<span id="G"><\/span><span id="H"><\/span>'
+ '<span id="I"><\/span>');
return content;
}
function makeSpan(id) {
var e = document.createElement('span');
e.id = id;
return e;
}
function testNodeFilter(n) {
if (n.tagName == 'SPAN')
return NodeFilter.FILTER_ACCEPT;
return NodeFilter.FILTER_SKIP;
}
function checkseq(it, root, expect) {
var checkIt = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
var printedPointer = (it.referenceNode == undefined);
var string = '';
var node;
while ((node = checkIt.nextNode()) != null) {
if (!printedPointer && it.referenceNode == node) {
printedPointer = true;
var s = '[' + node.id + '] ';
if (it.pointerBeforeReferenceNode)
string += "* " + s;
else
string += s + "* ";
} else {
string += node.id + " ";
}
}
is(string.slice(0, -1), expect, "sequence check");
}
// first a basic sanity check [node-iterator-001]
(function(){
var root = resetContent();
var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
checkseq(it, root, 'A B C D E F G H I');
it.nextNode();
checkseq(it, root, '[A] * B C D E F G H I');
it.previousNode();
checkseq(it, root, '* [A] B C D E F G H I');
it.previousNode();
checkseq(it, root, '* [A] B C D E F G H I');
})();
// Mutations that should not move the iterator [node-iterator-002]
(function(){
var root = resetContent();
var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
for (var i = 0; i < 4; i++)
it.nextNode();
checkseq(it, root, 'A B C [D] * E F G H I');
root.removeChild($('E'));
checkseq(it, root, 'A B C [D] * F G H I');
var X = makeSpan('X');
root.insertBefore(X, $('F'));
checkseq(it, root, 'A B C [D] * X F G H I');
var I = $('I');
root.removeChild(I);
root.insertBefore(I, X);
checkseq(it, root, 'A B C [D] * I X F G H');
})();
// 002 complete
/* Template
(function(){
var root = resetContent();
var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
})();
*/
</script>
</pre>
</body>
</html>