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#include <QtTest/QtTest>

#include <qcoreapplication.h>

#include <qnetworkinterface.h>

#include <qtcpsocket.h>

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

//TESTED_FILES=qnetworkinterface.cpp qnetworkinterface.h qnetworkinterface_unix.cpp qnetworkinterface_win.cpp

class tst_QNetworkInterface : public QObject

{

    Q_OBJECT

public:

    tst_QNetworkInterface();

    virtual ~tst_QNetworkInterface();

private slots:

    void dump();

    void loopbackIPv4();

    void loopbackIPv6();

    void localAddress();

    void interfaceFromXXX();

    void copyInvalidInterface();

};

tst_QNetworkInterface::tst_QNetworkInterface()

{

    Q_SET_DEFAULT_IAP

}

tst_QNetworkInterface::~tst_QNetworkInterface()

{

}

void tst_QNetworkInterface::dump()

{

    // This is for manual testing:

    QList<QNetworkInterface> allInterfaces = QNetworkInterface::allInterfaces();

    foreach (const QNetworkInterface &i, allInterfaces) {

        QString flags;

        if (i.flags() & QNetworkInterface::IsUp) flags += "Up,";

        if (i.flags() & QNetworkInterface::IsRunning) flags += "Running,";

        if (i.flags() & QNetworkInterface::CanBroadcast) flags += "Broadcast,";

        if (i.flags() & QNetworkInterface::IsLoopBack) flags += "Loopback,";

        if (i.flags() & QNetworkInterface::IsPointToPoint) flags += "PointToPoint,";

        if (i.flags() & QNetworkInterface::CanMulticast) flags += "Multicast,";

        flags.chop(1);          // drop last comma

        QString friendlyName = i.humanReadableName();

        if (friendlyName != i.name()) {

            friendlyName.prepend('(');

            friendlyName.append(')');

        } else {

            friendlyName.clear();

        }

        qDebug() << "Interface:     " << i.name() << qPrintable(friendlyName);

        QVERIFY(i.isValid());

        qDebug() << "    index:     " << i.index();

        qDebug() << "    flags:     " << qPrintable(flags);

        qDebug() << "    hw address:" << qPrintable(i.hardwareAddress());

        int count = 0;

        foreach (const QNetworkAddressEntry &e, i.addressEntries()) {

            QDebug s = qDebug();

            s.nospace() <<    "    address "

                        << qSetFieldWidth(2) << count++ << qSetFieldWidth(0);

            s.nospace() << ": " << qPrintable(e.ip().toString());

            if (!e.netmask().isNull())

                s.nospace() << '/' << e.prefixLength()

                            << " (" << qPrintable(e.netmask().toString()) << ")";

            if (!e.broadcast().isNull())

                s.nospace() << " broadcast " << qPrintable(e.broadcast().toString());

        }

    }

}

void tst_QNetworkInterface::loopbackIPv4()

{

    QList<QHostAddress> all = QNetworkInterface::allAddresses();

    QVERIFY(all.contains(QHostAddress(QHostAddress::LocalHost)));

}

void tst_QNetworkInterface::loopbackIPv6()

{

#ifdef Q_OS_SYMBIAN

    QSKIP( "Symbian: IPv6 is not yet supported", SkipAll );

#else

    QList<QHostAddress> all = QNetworkInterface::allAddresses();

    bool loopbackfound = false;

    bool anyIPv6 = false;

    foreach (QHostAddress addr, all)

        if (addr == QHostAddress::LocalHostIPv6) {

            loopbackfound = true;

            anyIPv6 = true;

            break;

        } else if (addr.protocol() == QAbstractSocket::IPv6Protocol)

            anyIPv6 = true;

    QVERIFY(!anyIPv6 || loopbackfound);

#endif

}

void tst_QNetworkInterface::localAddress()

{

    QTcpSocket socket;

    socket.connectToHost(QtNetworkSettings::serverName(), 80);

    QVERIFY(socket.waitForConnected(5000));

    QHostAddress local = socket.localAddress();

    // make Apache happy on fluke

    socket.write("GET / HTTP/1.0\r\n\r\n");

    socket.waitForBytesWritten(1000);

    socket.close();

    // test that we can find the address that QTcpSocket reported

    QList<QHostAddress> all = QNetworkInterface::allAddresses();

    QVERIFY(all.contains(local));

}

void tst_QNetworkInterface::interfaceFromXXX()

{

    QList<QNetworkInterface> allInterfaces = QNetworkInterface::allInterfaces();

    foreach (QNetworkInterface iface, allInterfaces) {

        QVERIFY(QNetworkInterface::interfaceFromName(iface.name()).isValid());

        foreach (QNetworkAddressEntry entry, iface.addressEntries()) {

            QVERIFY(!entry.ip().isNull());

            if (!entry.netmask().isNull()) {

                QCOMPARE(entry.netmask().protocol(), entry.ip().protocol());

                // if the netmask is known, the broadcast is known

                // but only for IPv4 (there is no such thing as broadcast in IPv6)

                if (entry.ip().protocol() == QAbstractSocket::IPv4Protocol) {

                    QVERIFY(!entry.broadcast().isNull());

                    // verify that the broadcast address is correct

                    quint32 ip = entry.ip().toIPv4Address();

                    quint32 mask = entry.netmask().toIPv4Address();

                    quint32 bcast = entry.broadcast().toIPv4Address();

                    QCOMPARE(bcast, ip | ~mask);

                }

            }

            if (!entry.broadcast().isNull())

                QCOMPARE(entry.broadcast().protocol(), entry.ip().protocol());

        }

    }

}

void tst_QNetworkInterface::copyInvalidInterface()

{

    // Force a copy of an interfaces that isn't likely to exist

    QNetworkInterface i = QNetworkInterface::interfaceFromName("plopp");

    QVERIFY(!i.isValid());

    QCOMPARE(i.index(), 0);

    QVERIFY(i.name().isEmpty());

    QVERIFY(i.humanReadableName().isEmpty());

    QVERIFY(i.hardwareAddress().isEmpty());

    QCOMPARE(int(i.flags()), 0);

    QVERIFY(i.addressEntries().isEmpty());

}

QTEST_MAIN(tst_QNetworkInterface)

#include "tst_qnetworkinterface.moc"