зеркало из https://github.com/mozilla/gecko-dev.git
240 строки
6.5 KiB
HTML
240 строки
6.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=628938
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-->
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<head>
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<title>Test for Bug 628938</title>
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<script type="application/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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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=628938">Mozilla Bug 628938</a>
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<p id="display"></p>
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<foo id="content" style="display: none">
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<div><div>foo</div></div>
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<span> bar </span>
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<div>tulip<span>bar</span></div>
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<span></span>
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<div>foo</div>
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<span></span>
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<div>bar</div>
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<span></span>
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<div>foobar</div>
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</foo>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 628938 **/
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var gResults = [];
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var gIdx = 0;
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function walkTree(walker)
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{
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if(walker.firstChild()) {
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do {
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if (walker.currentNode.nodeType == Node.ELEMENT_NODE) {
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ok(gResults[gIdx][0], "current node should be an element");
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is(walker.currentNode.nodeName, gResults[gIdx][1],
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"current node name should be " + gResults[gIdx][1]);
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} else {
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ok(!gResults[gIdx][0], "current node shouldn't be an element");
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is(walker.currentNode.nodeValue, gResults[gIdx][1],
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"current node value should be " + gResults[gIdx][1]);
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}
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gIdx++;
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// Recursively walk the rest of the sub-tree.
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walkTree(walker);
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} while(walker.nextSibling());
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// don't forget to return the treewalker to it's previous state
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// before exiting the function
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walker.parentNode();
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}
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}
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function regularWalk()
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{
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gResults = [
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[ false, "\n " ],
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[ true, "DIV" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ false, "\n " ],
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[ true, "SPAN" ],
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[ false, " bar " ],
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[ false, "\n " ],
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[ true, "DIV" ],
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[ false, "tulip" ],
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[ true, "SPAN" ],
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[ false, "bar" ],
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[ false, "\n " ],
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[ true, "SPAN" ],
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[ false, "\n " ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ false, "\n " ],
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[ true, "SPAN" ],
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[ false, "\n " ],
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[ true, "DIV" ],
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[ false, "bar" ],
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[ false, "\n " ],
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[ true, "SPAN" ],
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[ false, "\n " ],
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[ true, "DIV" ],
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[ false, "foobar" ],
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[ false, "\n" ],
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];
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var walker = document.createTreeWalker(document.getElementById('content'),
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NodeFilter.SHOW_ALL, null);
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walkTree(walker);
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gIdx = 0;
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}
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function noWhiteSpaceWalk()
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{
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gResults = [
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[ true, "DIV" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ true, "SPAN" ],
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[ false, " bar " ],
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[ true, "DIV" ],
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[ false, "tulip" ],
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[ true, "SPAN" ],
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[ false, "bar" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ false, "bar" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ false, "foobar" ],
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];
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var walker = document.createTreeWalker(document.getElementById('content'),
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NodeFilter.SHOW_ALL,
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{
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acceptNode : function(node) {
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if (node.nodeType == Node.TEXT_NODE &&
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!(/[^\t\n\r ]/.test(node.nodeValue)))
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return NodeFilter.FILTER_REJECT;
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return NodeFilter.FILTER_ACCEPT;
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}
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});
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walkTree(walker);
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gIdx = 0;
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}
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function onlyElementsWalk()
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{
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gResults = [
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[ true, "DIV" ],
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[ true, "DIV" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ true, "SPAN" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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];
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var walker = document.createTreeWalker(document.getElementById('content'),
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NodeFilter.SHOW_ELEMENT, null);
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walkTree(walker);
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gIdx = 0;
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}
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function onlyDivSubTreeWalk()
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{
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gResults = [
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[ true, "DIV" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ true, "DIV" ],
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[ false, "tulip" ],
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[ true, "SPAN" ],
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[ false, "bar" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ true, "DIV" ],
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[ false, "bar" ],
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[ true, "DIV" ],
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[ false, "foobar" ],
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];
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var walker = document.createTreeWalker(document.getElementById('content'),
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NodeFilter.SHOW_ALL,
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{
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acceptNode : function(node) {
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if (node.nodeType == Node.TEXT_NODE &&
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!(/[^\t\n\r ]/.test(node.nodeValue)))
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return NodeFilter.FILTER_REJECT;
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while (node) {
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if (node.nodeName == "DIV")
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return NodeFilter.FILTER_ACCEPT;
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node = node.parentNode;
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}
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return NodeFilter.FILTER_SKIP;
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}
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});
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walkTree(walker);
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gIdx = 0;
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}
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function onlyDivDataWalk()
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{
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gResults = [
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[ true, "DIV" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ true, "DIV" ],
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[ false, "tulip" ],
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[ true, "SPAN" ],
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[ true, "DIV" ],
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[ false, "foo" ],
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[ true, "DIV" ],
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[ false, "bar" ],
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[ true, "DIV" ],
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[ false, "foobar" ],
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];
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var walker = document.createTreeWalker(document.getElementById('content'),
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NodeFilter.SHOW_ALL,
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{
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acceptNode : function(node) {
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if (node.nodeName == "DIV" ||
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(node.parentNode &&
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node.parentNode.nodeName == "DIV"))
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return NodeFilter.FILTER_ACCEPT;
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return NodeFilter.FILTER_SKIP;
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}
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});
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walkTree(walker);
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gIdx = 0;
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}
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regularWalk();
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noWhiteSpaceWalk();
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onlyElementsWalk();
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onlyDivSubTreeWalk();
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onlyDivDataWalk();
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</script>
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</pre>
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</body>
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</html>
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