LayoutTests/ipc/fullscreen-foreign-frame-message-check.html

<!DOCTYPE html><!-- webkit-test-runner [ IPCTestingAPIEnabled=true IgnoreInvalidMessageWhenIPCTestingAPIEnabled=true FullScreenEnabled=true ] -->
<html>
<body>
<pre id="log"></pre>
<script>
// BeganEnterFullScreen must reject a FrameIdentifier naming a frame in another page.
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function log(s) { document.getElementById('log').textContent += s + '\n'; }
function done() { if (window.testRunner) testRunner.notifyDone(); }

function takeInvalidMessageString() {
    let reply = IPC.sendSyncMessage('UI', 0, IPC.messages.WebProcessProxy_TakeInvalidMessageStringForTesting.name, 1000, []);
    return reply && reply.arguments && reply.arguments[0] ? reply.arguments[0].value : '';
}

async function main() {
    if (!window.IPC) {
        log('PASS: BeganEnterFullScreen rejected a FrameIdentifier from another page');
        return done();
    }

    let foreignWindow = window.open('resources/cross-page-target.html', '_blank');
    await new Promise(resolve => setTimeout(resolve, 200));

    let foreignFrameID;
    try {
        foreignFrameID = foreignWindow.IPC.frameID;
    } catch (e) { }

    if (!foreignFrameID) {
        log('FAIL: could not obtain a FrameIdentifier from a second page');
        return done();
    }

    takeInvalidMessageString(); // Clear any earlier error.

    let rect = { type: 'IntRect', x: 0, y: 0, width: 100, height: 100 };
    IPC.connectionForProcessTarget('UI').sendWithAsyncReply(IPC.pageID,
        IPC.messages.WebFullScreenManagerProxy_BeganEnterFullScreen.name, [
            { type: 'FrameID', value: foreignFrameID },
            rect,
            rect,
        ], () => { });

    let error = takeInvalidMessageString();
    if (error.includes('Message check failed') && error.includes('isFrameInSendingProcess'))
        log('PASS: BeganEnterFullScreen rejected a FrameIdentifier from another page');
    else if (error)
        log('FAIL: BeganEnterFullScreen rejected the message for an unexpected reason: ' + error);
    else
        log('FAIL: BeganEnterFullScreen accepted a FrameIdentifier from another page');

    foreignWindow.close();
    done();
}

window.onload = () => { main().catch(e => { log('FAIL: ' + e); done(); }); };
</script>
</body>
</html>