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#include "gate/tests.hpp"
#include "gate/queues.hpp"
#include "gate/arrays.hpp"
#include "gate/atomics.hpp"
#include "gate/times.hpp"
#include "gate/threading.hpp"
#include "gate/runnables.hpp"

using namespace gate;


class GATE_API_LOCAL MsqQueueReceiver : public MsgQueueSink
{
public:
    ArrayList<uint32_t>     receivedMessageTypes;
    ArrayList<MemoryBlock>  receivedMessages;

    void onMessage(target_id_t targetID, uint32_t messageType, void const* data, gate::size_t dataLength) override
    {
        receivedMessageTypes.add(messageType);
        MemoryBlock mem(data, dataLength);
        receivedMessages.add(mem);
    }

};

GATEXX_TEST_UNIT(MsgQueue)
{
    static char const* msg_content = "Hello World";
    static char const* msg_content2 = "Hell0 W0rld";
    static gate::size_t msg_length = 11;

    MsqQueueReceiver sink;
    MsgQueue queue = MemoryMsgQueue::create();
    {
        MsgQueue queue2(queue);
        MsgQueue queue3 = MemoryMsgQueue::create();<--- Variable 'queue3' is reassigned a value before the old one has been used.
        queue3 = queue;<--- Variable 'queue3' is reassigned a value before the old one has been used.
    }
    static const StaticString targetName = "test";
    const MsgQueue::target_id_t target = queue.addTarget(targetName);
    GATEXX_TEST_CHECK_EQUAL(queue.getTarget(target), targetName);
    GATEXX_TEST_CHECK_EQUAL(queue.resolveTarget(targetName), target);

    MsgQueue::subscription_id_t subscriptionId;
    GATEXX_TEST_CHECK_NOTHROW(subscriptionId = queue.subscribe(target, &sink));

    GATEXX_TEST_CHECK_EQUAL(queue.getStatus(), GATE_MSGQUEUE_STATUS_OFFLINE);
    GATEXX_TEST_CHECK_THROW(queue.publish(target, 0, msg_content, msg_length));

    GATEXX_TEST_CHECK_NOTHROW(queue.start());
    GATEXX_TEST_CHECK_EQUAL(queue.getStatus(), GATE_MSGQUEUE_STATUS_ONLINE);

    GATEXX_TEST_CHECK_NOTHROW(queue.publish(target, 0, msg_content, msg_length));
    GATEXX_TEST_CHECK_NOTHROW(queue.publish(target, 1, msg_content2, msg_length));

    GATEXX_TEST_CHECK_EQUAL(sink.receivedMessageTypes.length(), 2U);
    GATEXX_TEST_CHECK_EQUAL(sink.receivedMessages.length(), 2U);
    GATEXX_TEST_CHECK_EQUAL(sink.receivedMessageTypes[0], 0U);
    GATEXX_TEST_CHECK(sink.receivedMessages[0].equals(msg_content, msg_length));
    GATEXX_TEST_CHECK_EQUAL(sink.receivedMessageTypes[1], 1U);
    GATEXX_TEST_CHECK(sink.receivedMessages[1].equals(msg_content2, msg_length));

    GATEXX_TEST_CHECK_NOTHROW(queue.unsubscribe(subscriptionId));

    GATEXX_TEST_CHECK_NOTHROW(queue.stop());
    GATEXX_TEST_CHECK_EQUAL(queue.getStatus(), GATE_MSGQUEUE_STATUS_OFFLINE);

}



static bool_t volatile init_reached = false;
static bool_t volatile shutdown_reached = false;

static gate_result_t GATE_CALL exe_init(void* param)
{
    init_reached = true;
    return GATE_RESULT_OK;
}
static gate_result_t GATE_CALL exe_shutdown(void* param)
{
    shutdown_reached = true;
    return GATE_RESULT_OK;
}
static gate_result_t GATE_CALL exe_task(void* param)
{
    AtomicInt* ptr_atom = static_cast<AtomicInt*>(param);
    ++(*ptr_atom);
    return GATE_RESULT_OK;
}

GATEXX_TEST_UNIT(ExeQueue)
{
    init_reached = false;
    shutdown_reached = false;

    static AtomicInt task_counter;

    task_counter.set(0);

    {
        ExeQueue q(&exe_init, &exe_shutdown);

        Runnable exe_task_runnable = RunnableBuilder::create(&exe_task, &task_counter);

        q.push(&exe_task, &task_counter, NULL);
        q.push(&exe_task, &task_counter, NULL);
        q.push(&exe_task, &task_counter, NULL);
        q.push(&exe_task, &task_counter, NULL);
        q.push(exe_task_runnable);

        const TimeCounter timeout = TimeCounter::now() + time::Milliseconds(4000);
        do
        {
            if ((task_counter.get() >= 5) && (q.itemCount() == 0))
            {
                break;
            }
            ThisThread::sleep(50);
        } while (TimeCounter::now() < timeout);
    }

    {
        // await shutdownm
        const TimeCounter timeout = TimeCounter::now() + time::Milliseconds(3000);
        do
        {
            if (shutdown_reached == true)
            {
                break;
            }
            ThisThread::sleep(50);
        } while (TimeCounter::now() < timeout);
    }

    GATEXX_TEST_CHECK(init_reached);
    GATEXX_TEST_CHECK(task_counter.get() == 5);
    GATEXX_TEST_CHECK(shutdown_reached);
}