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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/html/test/test_bug311681.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/html/test/test_bug311681.html')
| -rw-r--r-- | dom/html/test/test_bug311681.html | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/dom/html/test/test_bug311681.html b/dom/html/test/test_bug311681.html new file mode 100644 index 0000000000..b9139a3916 --- /dev/null +++ b/dom/html/test/test_bug311681.html @@ -0,0 +1,99 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=311681 +--> +<head> + <title>Test for Bug 311681</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=311681">Mozilla Bug 311681</a> +<script class="testbody" type="text/javascript"> + // Setup script + SimpleTest.waitForExplicitFinish(); + + // Make sure to trigger the hashtable case by asking for enough elements + // by ID. + for (var i = 0; i < 256; ++i) { + var x = document.getElementById(i); + } + + // save off the document.getElementById function, since getting it as a + // property off the document it causes a content flush. + var fun = document.getElementById; + + // Slot for our initial element with id "content" + var testNode; + + function getCont() { + return fun.call(document, "content"); + } + + function testClone() { + // Test to make sure that if we have multiple nodes with the same ID in + // a document we don't forget about one of them when the other is + // removed. + var newParent = $("display"); + var node = testNode.cloneNode(true); + isnot(node, testNode, "Clone should be a different node"); + + newParent.appendChild(node); + + // Check what getElementById returns, no flushing + is(getCont(), node, "Should be getting new node pre-flush 1"); + + // Trigger a layout flush, just in case. + var itemHeight = newParent.offsetHeight/10; + + // Check what getElementById returns now. + is(getCont(), node, "Should be getting new node post-flush 1"); + + clear(newParent); + + // Check what getElementById returns, no flushing + is(getCont(), testNode, "Should be getting orig node pre-flush 2"); + + // Trigger a layout flush, just in case. + var itemHeight = newParent.offsetHeight/10; + + // Check what getElementById returns now. + is(getCont(), testNode, "Should be getting orig node post-flush 2"); + + node = testNode.cloneNode(true); + newParent.appendChild(node); + testNode.parentNode.removeChild(testNode); + + // Check what getElementById returns, no flushing + is(getCont(), node, "Should be getting clone pre-flush"); + + // Trigger a layout flush, just in case. + var itemHeight = newParent.offsetHeight/10; + + // Check what getElementById returns now. + is(getCont(), node, "Should be getting clone post-flush"); + + } + + function clear(node) { + while (node.hasChildNodes()) { + node.removeChild(node.firstChild); + } + } + + addLoadEvent(testClone); + addLoadEvent(SimpleTest.finish); +</script> +<p id="display"></p> +<div id="content" style="display: none"> + <script class="testbody" type="text/javascript"> + testNode = fun.call(document, "content"); + isnot(testNode, null, "Should have node here"); + </script> +</div> +<pre id="test"> +</pre> +</body> +</html> + |