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#include <QtTest/QtTest>

#include <qcoreapplication.h>
#include <quuid.h>



#include <quuid.h>

//TESTED_CLASS=
//TESTED_FILES=

class tst_QUuid : public QObject
{
    Q_OBJECT

public:
    tst_QUuid();

private slots:
    void initTestCase();
    void fromChar();
    void toString();
    void fromString();
    void toByteArray();
    void fromByteArray();
    void toRfc4122();
    void fromRfc4122();
    void check_QDataStream();
    void isNull();
    void equal();
    void notEqual();

    // Only in Qt > 3.2.x
    void generate();
    void less();
    void more();
    void variants();
    void versions();

    void threadUniqueness();
    void processUniqueness();

public:
    // Variables
    QUuid uuidA;
    QUuid uuidB;
};

tst_QUuid::tst_QUuid()
{
    //"{fc69b59e-cc34-4436-a43c-ee95d128b8c5}";
    uuidA = QUuid(0xfc69b59e, 0xcc34 ,0x4436 ,0xa4 ,0x3c ,0xee ,0x95 ,0xd1 ,0x28 ,0xb8 ,0xc5);

    //"{1ab6e93a-b1cb-4a87-ba47-ec7e99039a7b}";
    uuidB = QUuid(0x1ab6e93a ,0xb1cb ,0x4a87 ,0xba ,0x47 ,0xec ,0x7e ,0x99 ,0x03 ,0x9a ,0x7b);
}

void tst_QUuid::initTestCase()
{
#ifdef Q_OS_WIN
    // cd up to be able to locate the binary of the sub-process.
    QDir workingDirectory = QDir::current();
    if (workingDirectory.absolutePath().endsWith(QLatin1String("/debug"), Qt::CaseInsensitive)
        || workingDirectory.absolutePath().endsWith(QLatin1String("/release"), Qt::CaseInsensitive)) {
        QVERIFY(workingDirectory.cdUp());
        QVERIFY(QDir::setCurrent(workingDirectory.absolutePath()));
    }
#endif
}

void tst_QUuid::fromChar()
{
    QCOMPARE(uuidA, QUuid("{fc69b59e-cc34-4436-a43c-ee95d128b8c5}"));
    QCOMPARE(uuidA, QUuid("fc69b59e-cc34-4436-a43c-ee95d128b8c5}"));
    QCOMPARE(uuidA, QUuid("{fc69b59e-cc34-4436-a43c-ee95d128b8c5"));
    QCOMPARE(uuidA, QUuid("fc69b59e-cc34-4436-a43c-ee95d128b8c5"));
    QCOMPARE(QUuid(), QUuid("{fc69b59e-cc34-4436-a43c-ee95d128b8c"));
    QCOMPARE(QUuid(), QUuid("{fc69b59e-cc34"));
    QCOMPARE(QUuid(), QUuid("fc69b59e-cc34-"));
    QCOMPARE(QUuid(), QUuid("fc69b59e-cc34"));
    QCOMPARE(QUuid(), QUuid("cc34"));
    QCOMPARE(QUuid(), QUuid(NULL));

    QCOMPARE(uuidB, QUuid(QString("{1ab6e93a-b1cb-4a87-ba47-ec7e99039a7b}")));
}

void tst_QUuid::toString()
{
    QCOMPARE(uuidA.toString(), QString("{fc69b59e-cc34-4436-a43c-ee95d128b8c5}"));

    QCOMPARE(uuidB.toString(), QString("{1ab6e93a-b1cb-4a87-ba47-ec7e99039a7b}"));
}

void tst_QUuid::fromString()
{
    QCOMPARE(uuidA, QUuid(QString("{fc69b59e-cc34-4436-a43c-ee95d128b8c5}")));
    QCOMPARE(uuidA, QUuid(QString("fc69b59e-cc34-4436-a43c-ee95d128b8c5}")));
    QCOMPARE(uuidA, QUuid(QString("{fc69b59e-cc34-4436-a43c-ee95d128b8c5")));
    QCOMPARE(uuidA, QUuid(QString("fc69b59e-cc34-4436-a43c-ee95d128b8c5")));
    QCOMPARE(QUuid(), QUuid(QString("{fc69b59e-cc34-4436-a43c-ee95d128b8c")));

    QCOMPARE(uuidB, QUuid(QString("{1ab6e93a-b1cb-4a87-ba47-ec7e99039a7b}")));
}

void tst_QUuid::toByteArray()
{
    QCOMPARE(uuidA.toByteArray(), QByteArray("{fc69b59e-cc34-4436-a43c-ee95d128b8c5}"));

    QCOMPARE(uuidB.toByteArray(), QByteArray("{1ab6e93a-b1cb-4a87-ba47-ec7e99039a7b}"));
}

void tst_QUuid::fromByteArray()
{
    QCOMPARE(uuidA, QUuid(QByteArray("{fc69b59e-cc34-4436-a43c-ee95d128b8c5}")));
    QCOMPARE(uuidA, QUuid(QByteArray("fc69b59e-cc34-4436-a43c-ee95d128b8c5}")));
    QCOMPARE(uuidA, QUuid(QByteArray("{fc69b59e-cc34-4436-a43c-ee95d128b8c5")));
    QCOMPARE(uuidA, QUuid(QByteArray("fc69b59e-cc34-4436-a43c-ee95d128b8c5")));
    QCOMPARE(QUuid(), QUuid(QByteArray("{fc69b59e-cc34-4436-a43c-ee95d128b8c")));

    QCOMPARE(uuidB, QUuid(QByteArray("{1ab6e93a-b1cb-4a87-ba47-ec7e99039a7b}")));
}

void tst_QUuid::toRfc4122()
{
    QCOMPARE(uuidA.toRfc4122(), QByteArray::fromHex("fc69b59ecc344436a43cee95d128b8c5"));

    QCOMPARE(uuidB.toRfc4122(), QByteArray::fromHex("1ab6e93ab1cb4a87ba47ec7e99039a7b"));
}

void tst_QUuid::fromRfc4122()
{
    QCOMPARE(uuidA, QUuid::fromRfc4122(QByteArray::fromHex("fc69b59ecc344436a43cee95d128b8c5")));

    QCOMPARE(uuidB, QUuid::fromRfc4122(QByteArray::fromHex("1ab6e93ab1cb4a87ba47ec7e99039a7b")));
}

void tst_QUuid::check_QDataStream()
{
    QUuid tmp;
    QByteArray ar;
    {
        QDataStream out(&ar,QIODevice::WriteOnly);
        out.setByteOrder(QDataStream::BigEndian);
        out << uuidA;
    }
    {
        QDataStream in(&ar,QIODevice::ReadOnly);
        in.setByteOrder(QDataStream::BigEndian);
        in >> tmp;
        QCOMPARE(uuidA, tmp);
    }
    {
        QDataStream out(&ar,QIODevice::WriteOnly);
        out.setByteOrder(QDataStream::LittleEndian);
        out << uuidA;
    }
    {
        QDataStream in(&ar,QIODevice::ReadOnly);
        in.setByteOrder(QDataStream::LittleEndian);
        in >> tmp;
        QCOMPARE(uuidA, tmp);
    }
}

void tst_QUuid::isNull()
{
    QVERIFY( !uuidA.isNull() );

    QUuid should_be_null_uuid;
    QVERIFY( should_be_null_uuid.isNull() );
}


void tst_QUuid::equal()
{
    QVERIFY( !(uuidA == uuidB) );

    QUuid copy(uuidA);
    QVERIFY(uuidA == copy);

    QUuid assigned;
    assigned = uuidA;
    QVERIFY(uuidA == assigned);
}


void tst_QUuid::notEqual()
{
    QVERIFY( uuidA != uuidB );
}


void tst_QUuid::generate()
{
    QUuid shouldnt_be_null_uuidA = QUuid::createUuid();
    QUuid shouldnt_be_null_uuidB = QUuid::createUuid();
    QVERIFY( !shouldnt_be_null_uuidA.isNull() );
    QVERIFY( !shouldnt_be_null_uuidB.isNull() );
    QVERIFY( shouldnt_be_null_uuidA != shouldnt_be_null_uuidB );
}


void tst_QUuid::less()
{
    QVERIFY( !(uuidA < uuidB) );

    QUuid null_uuid;
    QVERIFY(null_uuid < uuidA); // Null uuid is always less than a valid one
}


void tst_QUuid::more()
{
    QVERIFY( uuidA > uuidB );

    QUuid null_uuid;
    QVERIFY( !(null_uuid > uuidA) ); // Null uuid is always less than a valid one
}


void tst_QUuid::variants()
{
    QVERIFY( uuidA.variant() == QUuid::DCE );
    QVERIFY( uuidB.variant() == QUuid::DCE );

    QUuid NCS = "{3a2f883c-4000-000d-0000-00fb40000000}";
    QVERIFY( NCS.variant() == QUuid::NCS );
}


void tst_QUuid::versions()
{
    QVERIFY( uuidA.version() == QUuid::Random );
    QVERIFY( uuidB.version() == QUuid::Random );

    QUuid DCE_time= "{406c45a0-3b7e-11d0-80a3-0000c08810a7}";
    QVERIFY( DCE_time.version() == QUuid::Time );

    QUuid NCS = "{3a2f883c-4000-000d-0000-00fb40000000}";
    QVERIFY( NCS.version() == QUuid::VerUnknown );
}

class UuidThread : public QThread
{
public:
    QUuid uuid;

    void run()
    {
        uuid = QUuid::createUuid();
    }
};

void tst_QUuid::threadUniqueness()
{
    QVector<UuidThread *> threads(qMax(2, QThread::idealThreadCount()));
    for (int i = 0; i < threads.count(); ++i)
        threads[i] = new UuidThread;
    for (int i = 0; i < threads.count(); ++i)
        threads[i]->start();
    for (int i = 0; i < threads.count(); ++i)
        QVERIFY(threads[i]->wait(1000));
    for (int i = 1; i < threads.count(); ++i)
        QVERIFY(threads[0]->uuid != threads[i]->uuid);
    qDeleteAll(threads);
}

static inline QByteArray msgCannotStartProcess(const QString &binary, const QString &why)
{
    return QString::fromLatin1("Cannot start '%1' from '%2': %3")
                               .arg(QDir::toNativeSeparators(binary),
                                    QDir::toNativeSeparators(QDir::currentPath()),
                                    why).toLocal8Bit();
}

void tst_QUuid::processUniqueness()
{
    QProcess process;
    // Start it once
#ifdef Q_OS_MAC
    const QString binary = "testProcessUniqueness/testProcessUniqueness.app";
#else
    const QString binary = "testProcessUniqueness/testProcessUniqueness";
#endif
    process.start(binary);
    QVERIFY2(process.waitForStarted(), msgCannotStartProcess(binary, process.errorString()).constData());
    QVERIFY(process.waitForFinished());
    const QByteArray processOneOutput = process.readAllStandardOutput();

    // Start it twice
    process.start(binary);
    QVERIFY2(process.waitForStarted(), msgCannotStartProcess(binary, process.errorString()).constData());
    QVERIFY(process.waitForFinished());
    const QByteArray processTwoOutput = process.readAllStandardOutput();

    // They should be *different*!
    QVERIFY(processOneOutput != processTwoOutput);
}

QTEST_MAIN(tst_QUuid)
#include "tst_quuid.moc"