LayoutTests/ipc/send-invalid-sync-stream-message-empty-reply-check-exception.html

<!doctype html><!-- webkit-test-runner [ IPCTestingAPIEnabled=true ] -->
<title>Test that sending invalid messages via the IPC testing StreamConnectoin API doesn't kill the receiver</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<body>
<script>
const defaultTimeout = 1000;
const bufferSizeLog2 = 9;
const streamTesterID = 447;

promise_test(async t => {
    if (!window.IPC)
        return;

    for (const processTarget of IPC.processTargets) {
        const [streamConnection, serverConnectionHandle] = IPC.createStreamClientConnection(bufferSizeLog2, defaultTimeout);
        streamConnection.open();
        IPC.sendMessage(processTarget, 0, IPC.messages.IPCTester_CreateStreamTester.name, [
            { type: 'uint64_t', value: streamTesterID },
            { type: 'StreamServerConnectionHandle', value: serverConnectionHandle },
        ]);
        const arguments = streamConnection.waitForMessage(streamTesterID, IPC.messages.IPCStreamTesterProxy_WasCreated.name);
        streamConnection.setSemaphores(arguments[0].value, arguments[1].value);

        // Test starts here.
        try {
            assert_throws_js(TypeError,
            () => { streamConnection.sendSyncMessage(streamTesterID, IPC.messages.IPCStreamTester_SyncMessageEmptyReply.name, [  ]) },
            `failed sync message must throw error`);
        } finally {
            IPC.sendSyncMessage(processTarget, 0, IPC.messages.IPCTester_ReleaseStreamTester.name, defaultTimeout, [{ type: 'uint64_t', value: streamTesterID }]);
            streamConnection.invalidate();
        }
    }

}, "Sending sync stream message with incorrect parameters shouldn't crash when IPCTestingAPI is enabled");

</script>