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#include <qtest.h>

#include <QSignalSpy>

#include <QTimer>

#include <QTcpSocket>

#include <QTcpServer>

#include <QDebug>

#include <QBuffer>

#include <private/qpacketprotocol_p.h>

#include "../shared/debugutil_p.h"

class tst_QPacketProtocol : public QObject

{

    Q_OBJECT

private:

    QTcpServer *m_server;

    QTcpSocket *m_client;

    QTcpSocket *m_serverConn;

private slots:

    void init();

    void cleanup();

    void maximumPacketSize();

    void setMaximumPacketSize();

    void setMaximumPacketSize_data();

    void send();

    void send_data();

    void packetsAvailable();

    void packetsAvailable_data();

    void clear();

    void read();

    void device();

    void tst_QPacket_clear();

};

void tst_QPacketProtocol::init()

{

    m_server = new QTcpServer(this);

    m_serverConn = 0;

    QVERIFY(m_server->listen(QHostAddress("127.0.0.1")));

    m_client = new QTcpSocket(this);

    m_client->connectToHost(m_server->serverAddress(), m_server->serverPort());

    QVERIFY(m_client->waitForConnected());

    QVERIFY(m_server->waitForNewConnection());

    m_serverConn = m_server->nextPendingConnection();

}

void tst_QPacketProtocol::cleanup()

{

    delete m_client;

    delete m_serverConn;

    delete m_server;

}

void tst_QPacketProtocol::maximumPacketSize()

{

    QPacketProtocol p(m_client);

    QCOMPARE(p.maximumPacketSize(), 0x7FFFFFFF);

}

void tst_QPacketProtocol::setMaximumPacketSize()

{

    QFETCH(qint32, size);

    QFETCH(qint32, expected);

    QPacketProtocol out(m_serverConn);

    QCOMPARE(out.setMaximumPacketSize(size), expected);

}

void tst_QPacketProtocol::setMaximumPacketSize_data()

{

    QTest::addColumn<int>("size");

    QTest::addColumn<int>("expected");

    QTest::newRow("invalid") << qint32(sizeof(qint32) - 1) << qint32(0x7FFFFFFF);

    QTest::newRow("still invalid") << qint32(sizeof(qint32)) << qint32(0x7FFFFFFF);

    QTest::newRow("valid") << qint32(sizeof(qint32) + 1) << qint32(sizeof(qint32) + 1);

}

void tst_QPacketProtocol::send()

{

    QFETCH(bool, useAutoSend);

    QPacketProtocol in(m_client);

    QPacketProtocol out(m_serverConn);

    QByteArray ba;

    int num;

    if (useAutoSend) {

        out.send() << "Hello world" << 123;

    } else {

        QPacket packet;

        packet << "Hello world" << 123;

        out.send(packet);

    }

    QVERIFY(QDeclarativeDebugTest::waitForSignal(&in, SIGNAL(readyRead())));

    QPacket p = in.read();

    p >> ba >> num;

    QCOMPARE(ba, QByteArray("Hello world") + '\0');

    QCOMPARE(num, 123);

}

void tst_QPacketProtocol::send_data()

{

    QTest::addColumn<bool>("useAutoSend");

    QTest::newRow("auto send") << true;

    QTest::newRow("no auto send") << false;

}

void tst_QPacketProtocol::packetsAvailable()

{

    QFETCH(int, packetCount);

    QPacketProtocol out(m_client);

    QPacketProtocol in(m_serverConn);

    QCOMPARE(out.packetsAvailable(), qint64(0));

    QCOMPARE(in.packetsAvailable(), qint64(0));

    for (int i=0; i<packetCount; i++)

        out.send() << "Hello";

    QVERIFY(QDeclarativeDebugTest::waitForSignal(&in, SIGNAL(readyRead())));

    QCOMPARE(in.packetsAvailable(), qint64(packetCount));

}

void tst_QPacketProtocol::packetsAvailable_data()

{

    QTest::addColumn<int>("packetCount");

    QTest::newRow("1") << 1;

    QTest::newRow("2") << 2;

    QTest::newRow("10") << 10;

}

void tst_QPacketProtocol::clear()

{

    QPacketProtocol in(m_client);

    QPacketProtocol out(m_serverConn);

    out.send() << 123;

    out.send() << 456;

    QVERIFY(QDeclarativeDebugTest::waitForSignal(&in, SIGNAL(readyRead())));

    in.clear();

    QVERIFY(in.read().isEmpty());

}

void tst_QPacketProtocol::read()

{

    QPacketProtocol in(m_client);

    QPacketProtocol out(m_serverConn);

    QVERIFY(in.read().isEmpty());

    out.send() << 123;

    out.send() << 456;

    QVERIFY(QDeclarativeDebugTest::waitForSignal(&in, SIGNAL(readyRead())));

    int num;

    QPacket p1 = in.read();

    QVERIFY(!p1.isEmpty());

    p1 >> num;

    QCOMPARE(num, 123);

    QPacket p2 = in.read();

    QVERIFY(!p2.isEmpty());

    p2 >> num;

    QCOMPARE(num, 456);

    QVERIFY(in.read().isEmpty());

}

void tst_QPacketProtocol::device()

{

    QPacketProtocol p(m_client);

    QVERIFY(p.device() == m_client);

}

void tst_QPacketProtocol::tst_QPacket_clear()

{

    QPacketProtocol protocol(m_client);

    QPacket packet;

    packet << "Hello world!" << 123;

    protocol.send(packet);

    packet.clear();

    QVERIFY(packet.isEmpty());

    packet << "Goodbyte world!" << 789;

    protocol.send(packet);

    QByteArray ba;

    int num;

    QPacketProtocol in(m_serverConn);

    QVERIFY(QDeclarativeDebugTest::waitForSignal(&in, SIGNAL(readyRead())));

    QPacket p1 = in.read();

    p1 >> ba >> num;

    QCOMPARE(ba, QByteArray("Hello world!") + '\0');

    QCOMPARE(num, 123);

    QPacket p2 = in.read();

    p2 >> ba >> num;

    QCOMPARE(ba, QByteArray("Goodbyte world!") + '\0');

    QCOMPARE(num, 789);

}

QTEST_MAIN(tst_QPacketProtocol)

#include "tst_qpacketprotocol.moc"