gecko/dom/tests/mochitest/bugs/test_bug817476.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=817476
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 817476</title>
<script type="application/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=817476">Mozilla Bug 817476</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 817476 **/
function getNewWindow() {
var ifr = document.createElement("iframe");
$("content").appendChild(ifr);
return ifr.contentWindow;
}
// Test getting .screen before .Screen
var win = getNewWindow();
is(Object.getPrototypeOf(win.screen), win.Screen.prototype,
"protos must match (1)");
is(win.Screen.prototype.toString(), "[object ScreenPrototype]",
"proto must be WebIDL (1)");
// Test getting Screen before .screen
var win = getNewWindow();
is(win.Screen.prototype, Object.getPrototypeOf(win.screen),
"protos must match (2)");
is(win.Screen.prototype.toString(), "[object ScreenPrototype]",
"proto must be WebIDL (2)");
</script>
</pre>
</body>
</html>