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#ifndef QBENCHMARK_P_H

#define QBENCHMARK_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtCore/qglobal.h>

#if (defined(Q_OS_LINUX) || defined Q_OS_MAC) && !defined(QT_NO_PROCESS)

#define QTESTLIB_USE_VALGRIND 

#else

#undef QTESTLIB_USE_VALGRIND

#endif

#include "QtTest/private/qbenchmarkmeasurement_p.h"

#include <QtCore/QMap>

#include <QtTest/qtest_global.h>

#ifdef QTESTLIB_USE_VALGRIND

#include "QtTest/private/qbenchmarkvalgrind_p.h"

#endif

#include "QtTest/private/qbenchmarkevent_p.h"

QT_BEGIN_NAMESPACE

struct QBenchmarkContext

{

    // None of the strings below are assumed to contain commas (see toString() below)

    QString slotName;

    QString tag; // from _data() function

    int checkpointIndex;

    QString toString() const

    {

        QString s = QString::fromLatin1("%1,%2,%3").arg(slotName).arg(tag).arg(checkpointIndex);

        return s;

    }

    QBenchmarkContext() : checkpointIndex(-1) {}

};

class QBenchmarkResult

{

public:

    QBenchmarkContext context;

    qint64 value;

    int iterations;

    bool valid;

    QBenchmarkResult()

    : value(-1)

    , iterations(-1)

    , valid(false)

    {  }

    QBenchmarkResult(const QBenchmarkContext &context, const qint64 value, const int iterations)

        : context(context)

        , value(value)

        , iterations(iterations)

        , valid(true)

    {

    }

    bool operator<(const QBenchmarkResult &other) const 

    {

        return (value / iterations) < (other.value / other.iterations);

    }

};

/*

    The QBenchmarkGlobalData class stores global benchmark-related data.

    QBenchmarkGlobalData:current is created at the beginning of qExec()

    and cleared at the end.

*/

class QBenchmarkGlobalData

{

public:

    static QBenchmarkGlobalData *current;

    QBenchmarkGlobalData();

    ~QBenchmarkGlobalData();

    enum Mode { WallTime, CallgrindParentProcess, CallgrindChildProcess, TickCounter, EventCounter };

    void setMode(Mode mode);

    Mode mode() const { return mode_; }

    QBenchmarkMeasurerBase *createMeasurer();

    int adjustMedianIterationCount();

    QBenchmarkMeasurerBase *measurer;

    QBenchmarkContext context;

    int walltimeMinimum;

    int iterationCount;

    int medianIterationCount;

    bool createChart;

    bool verboseOutput;

    QString callgrindOutFileBase;

private:

    Mode mode_;

};

/*

    The QBenchmarkTestMethodData class stores all benchmark-related data

    for the current test case. QBenchmarkTestMethodData:current is

    created at the beginning of qInvokeTestMethod() and cleared at

    the end.

*/

class QBenchmarkTestMethodData

{

public:

    static QBenchmarkTestMethodData *current;

    QBenchmarkTestMethodData();

    ~QBenchmarkTestMethodData();

    // Called once for each data row created by the _data function,

    // before and after calling the test function itself.

    void beginDataRun();

    void endDataRun();

    bool isBenchmark() const { return result.valid; }

    bool resultsAccepted() const { return resultAccepted; }

    int adjustIterationCount(int suggestion);

    void setResult(qint64 value);

    QBenchmarkResult result;

    bool resultAccepted;

    bool runOnce;

    int iterationCount;

};

// low-level API:

namespace QTest

{

    int iterationCount();

    void setIterationCountHint(int count);

    void setIterationCount(int count);

    Q_TESTLIB_EXPORT void beginBenchmarkMeasurement();

    Q_TESTLIB_EXPORT qint64 endBenchmarkMeasurement();

    void setResult(qint64 result);

    void setResult(const QString &tag, qint64 result);

}

QT_END_NAMESPACE

#endif // QBENCHMARK_H