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Bug 466586 - Test to ensure that we don't have to reload an image that exists in a document.

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This commit is contained in:
Joe Drew 2009-01-30 21:17:35 -05:00
parent 18e06836cd
commit a7a5803b59
3 changed files with 50 additions and 0 deletions
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2
modules/libpr0n/test/mochitest/Makefile.in
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@ -49,6 +49,8 @@ _TEST_FILES = test_bug399925.html \
bug468160.sjs \
test_bug468160.html \
red.png \
test_bug466586.html \
big.png \
$(NULL)
libs:: $(_TEST_FILES)

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modules/libpr0n/test/mochitest/big.png Normal file
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modules/libpr0n/test/mochitest/test_bug466586.html Normal file
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@ -0,0 +1,48 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=466586
-->
<head>
<title>Test for Bug 466586</title>
<script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="loadSmall()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=89419">Mozilla Bug 466586</a>
<p id="display"></p>
<div id="content" style="display: none">
<img src="big.png" width="100" height="100" id="big" />
</div>
<pre id="test">
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
// We have loaded the large png with id "big". We want to test if it'll be
// kicked out of the cache and thus have to be reloaded, but to ensure that, we
// need to get the cache to look at what's there. So we load another image,
// this one small.
function loadSmall()
{
var small = new Image();
small.onload = smallLoaded;
small.src="red.png";
}
function smallLoaded()
{
// Make sure that we don't need another load.
var big = document.getElementById('big');
var img = new Image();
img.src = big.src;
ok(img.width != 0);
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>