LayoutTests/fast/frames/detached-frame-property.html

<script src="../../resources/js-test.js"></script>
<script>
description("Checks the value of detached subframe properties.");
onload = function()
{
    detachedWindow = frames[0];
    document.body.removeChild(document.getElementsByTagName("iframe")[0]);

    // Chrome and Firefox agree with us.
    shouldBeTrue("!!detachedWindow.postMessage");
    shouldBeTrue("!!detachedWindow.close");
    shouldBeTrue("detachedWindow.closed");
    shouldBeNull("detachedWindow.top");
    shouldBeNull("detachedWindow.opener");
    shouldBeNull("detachedWindow.parent");
    shouldBeNull("detachedWindow.frameElement"); // Technically, Chrome returns undefined here, not null.

    // Chrome agrees with us but Firefox returns the detachedWindow.
    shouldBeNull("detachedWindow.window");
    shouldBeNull("detachedWindow.frames");
    shouldBeNull("detachedWindow.self");

    // Chrome returns undefined but Firefox has a valid object.
    shouldBeTrue("!detachedWindow.navigator");
    shouldBeTrue("!detachedWindow.locationbar");
    shouldBeTrue("!detachedWindow.history");
    shouldBeTrue("!detachedWindow.localStorage");
    shouldBeTrue("!!detachedWindow.document");
    shouldBeTrue("!!detachedWindow.XMLHttpRequest");
    shouldBeTrue("!!detachedWindow.getComputedStyle");

    // Chrome returns undefined but Firefox throws an exception.
    shouldBeTrue("!detachedWindow.screen");
    shouldBe("detachedWindow.innerHeight", "0");
    shouldBe("detachedWindow.innerWidth", "0");

    // Both Chrome and Firefox disagree with us and return a valid object.
    shouldBeTrue("!detachedWindow.location");
}
</script>
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