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59 lines
1.5 KiB
HTML
59 lines
1.5 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=466586
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-->
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<head>
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<title>Test for Bug 466586</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 onload="loadSmall();">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=89419">Mozilla Bug 466586</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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<img id="big" src="big.png"/>
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</div>
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<pre id="test">
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<script type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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var jsBig = new Image();
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// We have loaded the large png with id "big". We want to test if it will be
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// kicked out of the cache and thus have to be reloaded, but to ensure that, we
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// need to get the cache to look at what is there. So we load another image,
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// this one small.
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function loadSmall()
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{
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// Trivial check, for reference.
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is(document.getElementById("big").width, 3000,
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"HTML 'big' image width after page onload()");
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var small = new Image();
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small.onload = smallLoaded;
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small.src = "red.png";
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}
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function smallLoaded()
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{
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jsBig.src = document.getElementById("big").src;
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// Check that it is not needed to wait for onload().
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is(jsBig.width, 3000, "JS 'big' image width before its onload()");
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// Check again after onload(), for reference.
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jsBig.onload = jsBigLoaded;
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}
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function jsBigLoaded()
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{
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is(jsBig.width, 3000, "JS 'big' image width after its onload()");
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SimpleTest.finish();
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}
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</script>
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</pre>
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</body>
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</html>
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