зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
4.2 KiB
HTML
118 строки
4.2 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<!-- NodeIterator basics and filters tests.
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Originally written by Ian Hickson, Mochi-ified by Zack Weinberg.
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This file based on 001.xml, 002.xml, and 010.xml from
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http://hixie.ch/tests/adhoc/dom/traversal/node-iterator/
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with some additional cases.
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-->
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<head>
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<title>DOM Traversal: NodeIterator: Basics and Filters</title>
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<script type="text/javascript" src="/MochiKit/packed.js"></script>
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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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<p id="display"></p>
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<div id="content" style="display: none">
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<!-- comment -->
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<?body processing instruction?>
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript"><![CDATA[
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function compare_arrays(e, f, label) {
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var length = (e.length > f.length) ? e.length : f.length;
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for (var i = 0; i < length; i += 1) {
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if (e[i] > 0)
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is(f[i], e[i], label + " - index " + i + ": ");
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else
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todo_is(f[i], -e[i], label + " - index " + i + ": ");
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}
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}
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/** DOM Traversal: NodeIterator: Basics **/
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// NOTE: If you change the document structure, you have to make sure
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// the magic numbers in this array (and 'expected_f', below) match.
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var expected = new Array(9, // document
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1, // html
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3, 8, // leading comment
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3, 1, // head
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3, 1, 3, // title
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3, 1, // first script tag
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3, 1, // second script tag
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3, 1, // stylesheet tag
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3, // close head
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3, 1, // body
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3, 1, // p#display
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3, 1, // div#content
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3, 8, // comment
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3, 7, // processing instruction
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3, // close div
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3, 1, // pre#test
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3, 1, 4, // script and CDATA block
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-3, -3, -3); // close close close
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// these aren't there
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// not sure why
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var found = new Array();
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var iterator = document.createNodeIterator(document,
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NodeFilter.SHOW_ALL,
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null, false);
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var node;
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// forwards
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while (node = iterator.nextNode())
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found.push(node.nodeType);
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compare_arrays(expected, found, 'basics forward');
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// backwards
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found.length = 0;
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while (node = iterator.previousNode())
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found.unshift(node.nodeType);
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compare_arrays(expected, found, 'basics backward');
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/** DOM Traversal: NodeIterator: Filters **/
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function filter(n) {
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if (n.nodeType == 3) {
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return NodeFilter.FILTER_SKIP;
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} else if (n.nodeName == 'body') {
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return NodeFilter.FILTER_REJECT; // same as _SKIP
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}
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return 1; // FILTER_ACCEPT
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}
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// Same warning applies to this array as to 'expected'.
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var expect_f = new Array(9, // document
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1, // html
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8, // leading comment
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1, // head
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1, // title
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1, // first script tag
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1, // second script tag
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1, // stylesheet tag
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// body skipped
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1, // p#display
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1, // div#content
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8, // comment
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// processing instruction skipped
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1, // pre#test
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1, 4); // script and CDATA block
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found.length = 0;
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iterator = document.createNodeIterator(document, NodeFilter.SHOW_ALL,
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filter, false);
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// forwards
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while (node = iterator.nextNode())
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found.push(node.nodeType);
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compare_arrays(expect_f, found, 'filtered forward');
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// backwards
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found.length = 0;
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while (node = iterator.previousNode())
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found.unshift(node.nodeType);
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compare_arrays(expect_f, found, 'filtered backward');
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]]></script>
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</pre>
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</body>
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</html>
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