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#include <QtTest/QtTest>

#include <qapplication.h>

#include <q3socket.h>

#include "../network-settings.h"

//TESTED_CLASS=

//TESTED_FILES=network/q3socket.h network/q3socket.cpp

class tst_Q3Socket : public QObject

{

    Q_OBJECT

public:

    tst_Q3Socket();

    virtual ~tst_Q3Socket();

public slots:

    void initTestCase();

    void cleanupTestCase();

    void init();

    void cleanup();

private slots:

    void peerAddress_data();

    void peerAddress();

    void emitConnectionRefused();

    void readBufferSize();

    void connectionAttempts_data();

    void connectionAttempts();

    void canReadLine();

protected slots:

    void peerAddress_connected();

    void peerAddress_connectionClosed();

    void emitConnectionRefused_error(int);

    void connectionAttempts_connected();

    void connectionAttempts_error(int);

private:

    Q3Socket *socket;

    QHostAddress *peerAddress_addrConnected;

    uint peerAddress_portConnected;

    QHostAddress *peerAddress_addrClosed;

    uint peerAddress_portClosed;

    bool emitConnectionRefused_errorReceived;

};

tst_Q3Socket::tst_Q3Socket()

{

}

tst_Q3Socket::~tst_Q3Socket()

{

}

void tst_Q3Socket::initTestCase()

{

}

void tst_Q3Socket::cleanupTestCase()

{

}

void tst_Q3Socket::init()

{

}

void tst_Q3Socket::cleanup()

{

}

void tst_Q3Socket::peerAddress_data()

{

    QTest::addColumn<QString>("host");

    QTest::addColumn<uint>("port");

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

    QTest::addColumn<QString>("peerAddr");

    QTest::newRow( "echo" )    << QtNetworkSettings::serverLocalName() << (uint)7  << false

        << QtNetworkSettings::serverIP().toString();

    QTest::newRow( "daytime" ) << QtNetworkSettings::serverLocalName() << (uint)13 << true

        << QtNetworkSettings::serverIP().toString();

}

void tst_Q3Socket::peerAddress()

{

    // init

    QFETCH( QString, host );

    QFETCH( uint, port );

    QFETCH( QString, peerAddr );

    QFETCH( bool, peerClosesConnection );

    socket = new Q3Socket;

    connect( socket, SIGNAL(connected()), SLOT(peerAddress_connected()) );

    connect( socket, SIGNAL(connectionClosed()), SLOT(peerAddress_connectionClosed()) );

    peerAddress_addrConnected = 0;

    peerAddress_addrClosed = 0;

    // connect to host

    socket->connectToHost( host, port );

    QTestEventLoop::instance().enterLoop( 30 );

    if ( QTestEventLoop::instance().timeout() && peerAddress_addrConnected==0 )

	QFAIL( "Connection timed out" );

    // test

    QHostAddress pa;

    QVERIFY( pa.setAddress(peerAddr) );

    QTEST( peerAddress_addrConnected->toString(), "peerAddr" ); // results in nicer output than the test below

    QVERIFY( *peerAddress_addrConnected == pa );

    QCOMPARE( peerAddress_portConnected, port );

    if ( peerClosesConnection ) {

	QVERIFY( peerAddress_addrClosed != 0 );

	QCOMPARE( peerAddress_addrClosed->toString(), QString() ); // results in nicer output than the test below

	QVERIFY( *peerAddress_addrClosed == QHostAddress::Null );

	QCOMPARE( peerAddress_portClosed, (uint)0 );

    } else {

	QVERIFY( peerAddress_addrClosed == 0 );

    }

    // cleanup

    delete peerAddress_addrConnected;

    delete peerAddress_addrClosed;

    delete socket;

}

void tst_Q3Socket::peerAddress_connected()

{

    peerAddress_addrConnected = new QHostAddress( socket->peerAddress() );

    peerAddress_portConnected = socket->peerPort();

    QTestEventLoop::instance().changeInterval( 5 ); // enough time to get the closed

}

void tst_Q3Socket::peerAddress_connectionClosed()

{

    peerAddress_addrClosed = new QHostAddress( socket->peerAddress() );

    peerAddress_portClosed = socket->peerPort();

    QTestEventLoop::instance().exitLoop();

}

void tst_Q3Socket::emitConnectionRefused()

{

    Q3Socket sock;

    connect( &sock, SIGNAL(error(int)), SLOT(emitConnectionRefused_error(int)) );

    sock.connectToHost( QtNetworkSettings::serverLocalName(), 12331 );

    emitConnectionRefused_errorReceived = false;

    QTestEventLoop::instance().enterLoop( 30 );

    QVERIFY(emitConnectionRefused_errorReceived);

}

void tst_Q3Socket::emitConnectionRefused_error( int signum )

{

    if ( signum == Q3Socket::ErrConnectionRefused )

        emitConnectionRefused_errorReceived = true;

    QTestEventLoop::instance().exitLoop();

}

void tst_Q3Socket::readBufferSize()

{

    const int bufferSize = 1024;

    Q3Socket sock;

    sock.setReadBufferSize(bufferSize);

    QCOMPARE((int)sock.readBufferSize(), bufferSize);

    sock.connectToHost("localhost", 0);

    QCOMPARE((int)sock.readBufferSize(), bufferSize);

}

void tst_Q3Socket::connectionAttempts_data()

{

    QTest::addColumn<QString>("host");

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

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

    QTest::newRow("fluke port 80") << QtNetworkSettings::serverLocalName() << 80 << true;

    QTest::newRow("fluke port 79") << QtNetworkSettings::serverLocalName() << 79 << false;

}

void tst_Q3Socket::connectionAttempts()

{

    QFETCH(QString, host);

    QFETCH(int, port);

    QFETCH(bool, expectedResult);

    Q3Socket sock;

    sock.connectToHost(host, port);

    connect(&sock, SIGNAL(connected()), SLOT(connectionAttempts_connected()));

    connect(&sock, SIGNAL(error(int)), SLOT(connectionAttempts_error(int)));

    QTestEventLoop::instance().enterLoop(10);

    if (QTestEventLoop::instance().timeout())

       return;

    QCOMPARE(sock.state() == Q3Socket::Connected, expectedResult);

}

void tst_Q3Socket::connectionAttempts_connected()

{

    QTestEventLoop::instance().exitLoop();

}

void tst_Q3Socket::connectionAttempts_error(int)

{

    QTestEventLoop::instance().exitLoop();

}

void tst_Q3Socket::canReadLine()

{

    QEventLoop loop;

    Q3Socket socket;

    QVERIFY(!socket.canReadLine());

    connect(&socket, SIGNAL(connected()), &loop, SLOT(quit()));

    // timeout error will fail in #238

    connect(&socket, SIGNAL(error(int)), &loop, SLOT(quit()));

    socket.connectToHost(QtNetworkSettings::serverLocalName(), 143);

    loop.exec();

    QCOMPARE(socket.state(), Q3Socket::Connected);

    while (!socket.canReadLine())

        QVERIFY(socket.waitForMore(5000) > 0);

    QVERIFY(socket.canReadLine());

    socket.readLine();

    QVERIFY(!socket.canReadLine());

    socket.ungetChar('\n');

    QVERIFY(socket.canReadLine());

}

QTEST_MAIN(tst_Q3Socket)

#include "tst_qsocket.moc"