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101 lines
3.0 KiB
HTML
101 lines
3.0 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=311681
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-->
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<head>
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<title>Test for Bug 311681</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.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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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=311681">Mozilla Bug 311681</a>
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<script class="testbody" type="text/javascript">
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// Setup script
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SimpleTest.waitForExplicitFinish();
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// Make sure to trigger the hashtable case by asking for enough elements
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// by ID.
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for (var i = 0; i < 256; ++i) {
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var x = document.getElementById(i);
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}
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// save off the document.getElementById function, since getting it as a
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// property off the document it causes a content flush.
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var fun = document.getElementById;
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// Slot for our initial element with id "content"
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var testNode;
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function getCont() {
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return fun.call(document, "content");
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}
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function testClone() {
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// Test to make sure that if we have multiple nodes with the same ID in
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// a document we don't forget about one of them when the other is
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// removed.
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var newParent = $("display");
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var node = testNode.cloneNode(true);
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isnot(node, testNode, "Clone should be a different node");
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newParent.appendChild(node);
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// Check what getElementById returns, no flushing
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is(getCont(), testNode, "Should be getting orig node pre-flush 1");
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// Trigger a layout flush, just in case.
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var itemHeight = newParent.offsetHeight/10;
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// Check what getElementById returns now.
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is(getCont(), testNode, "Should be getting orig node post-flush 1");
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clear(newParent);
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// Check what getElementById returns, no flushing
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is(getCont(), testNode, "Should be getting orig node pre-flush 2");
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// Trigger a layout flush, just in case.
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var itemHeight = newParent.offsetHeight/10;
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// Check what getElementById returns now.
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is(getCont(), testNode, "Should be getting orig node post-flush 2");
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node = testNode.cloneNode(true);
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newParent.appendChild(node);
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testNode.parentNode.removeChild(testNode);
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// Check what getElementById returns, no flushing
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is(getCont(), node, "Should be getting clone pre-flush");
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// Trigger a layout flush, just in case.
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var itemHeight = newParent.offsetHeight/10;
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// Check what getElementById returns now.
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is(getCont(), node, "Should be getting clone post-flush");
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}
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function clear(node) {
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while (node.hasChildNodes()) {
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node.removeChild(node.firstChild);
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}
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}
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addLoadEvent(testClone);
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addLoadEvent(SimpleTest.finish);
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</script>
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<p id="display"></p>
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<div id="content" style="display: none">
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<script class="testbody" type="text/javascript">
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testNode = fun.call(document, "content");
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isnot(testNode, null, "Should have node here");
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</script>
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</div>
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<pre id="test">
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</pre>
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</body>
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</html>
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