<html>
<head>
    <script>
    function accessAttributes(s) {
        var value = 0;
        value = s.height;
        value = s.width;
        value = s.colorDepth;
        value = s.pixelDepth;
        value = s.availLeft;
        value = s.availTop;
        value = s.availHeight;
        value = s.availWidth;
    }

    function runTests() {
        if (window.testRunner)
            testRunner.dumpAsText();
            
        var f = document.getElementById('theframe');
        var s = f.contentWindow.screen;
        accessAttributes(s);

        // Now remove and check that we don't crash.
        f.parentNode.removeChild(f);
        accessAttributes(s);
    }
    </script>
</head>
<iframe id="theframe" src="resources/red.html"></iframe>
<body onload="runTests()">
<div>
This tests that accessing screen attributes doesn't crash even if containing frame is removed from the parent.
</div>
</body>
</html>