gecko-dev/image/test/mochitest/test_ImageContentLoaded.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=691610
-->
<head>
<title>Test for Bug 691610</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body>
<script type="text/javascript">
SimpleTest.waitForExplicitFinish()
SpecialPowers.addChromeEventListener("ImageContentLoaded", function () {
ok(true, "chrome listener was invoked");
SimpleTest.finish();
}, true);
var iframe = document.createElement("iframe");
iframe.src = "damon.jpg"
document.body.appendChild(iframe);
iframe.contentDocument.defaultView.addEventListener("ImageContentLoaded", function () {
ok(false, "should not invoke event");
}, true);
</script>
</body>
</html>