chromium/third_party/blink/web_tests/http/tests/security/cross-frame-access-first-time.html

<p>This test checks cross-frame access security for first-time access to the document (rdar://problem/5251309).</p>
<iframe src="http://localhost:8000/security/resources/cross-frame-iframe-for-get-test.html" style=""></iframe>
<pre id="console"></pre>

<script>
function log(s)
{
    document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
}

function canGet(keyPath)
{
    try {
        return eval("window." + keyPath) !== undefined;
    } catch(e) {
        return false;
    }
}

window.onload = function()
{
    if (window.testRunner) {
        testRunner.dumpAsText();
    }
        
    var doc;
    try {
        doc = frames[0].document;
    } catch (e) {
        log("Exception thrown trying to get cross-domain document: " + e);
    }

    log("canGet(frames[0], 'document'): " + (doc !== undefined));
    log("canGet(frames[0].document, 'cookie'): " + canGet(doc, 'cookie'));
    log("canGet(frames[0].document, 'body'): " + canGet(doc, 'body'));
    log("canGet(frames[0].document, 'location'): " + canGet(doc, 'location'));
}
</script>