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