Bug 466586 - Test to ensure that we don't have to reload an image tha…

…t exists in a document.
i3roly · Jan 31, 2009 · 1884791 · 1884791
1 parent 13ea8e8
commit 1884791
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diff --git a/modules/libpr0n/test/mochitest/Makefile.in b/modules/libpr0n/test/mochitest/Makefile.in
@@ -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)

diff --git a/modules/libpr0n/test/mochitest/big.png b/modules/libpr0n/test/mochitest/big.png
diff --git a/modules/libpr0n/test/mochitest/test_bug466586.html b/modules/libpr0n/test/mochitest/test_bug466586.html
@@ -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>