source: trunk/src/testlib/qbenchmark.cpp@ 728

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#include "QtTest/qbenchmark.h"
#include "QtTest/private/qbenchmark_p.h"

#ifdef QT_GUI_LIB
#include <QtGui/qapplication.h>
#endif

#include <QtCore/qprocess.h>
#include <QtCore/qdir.h>
#include <QtCore/qset.h>
#include <QtCore/qdebug.h>

QT_BEGIN_NAMESPACE

QBenchmarkGlobalData *QBenchmarkGlobalData::current;

QBenchmarkGlobalData::QBenchmarkGlobalData()
    : measurer(0)
    , walltimeMinimum(-1)
    , iterationCount(-1)
    , medianIterationCount(-1)
    , createChart(false)
    , verboseOutput(false)
    , mode_(WallTime)
{
    setMode(mode_);
}

QBenchmarkGlobalData::~QBenchmarkGlobalData()
{
    delete measurer;
    QBenchmarkGlobalData::current = 0;
}

void QBenchmarkGlobalData::setMode(Mode mode)
{
    mode_ = mode;

    if (measurer)
        delete measurer;
    measurer = createMeasurer();
}

QBenchmarkMeasurerBase * QBenchmarkGlobalData::createMeasurer()
{
    QBenchmarkMeasurerBase *measurer = 0;
    if (0) {
#ifdef QTESTLIB_USE_VALGRIND
    } else if (mode_ == CallgrindChildProcess || mode_ == CallgrindParentProcess) {
        measurer = new QBenchmarkCallgrindMeasurer;
#endif
#ifdef HAVE_TICK_COUNTER
    } else if (mode_ == TickCounter) {
        measurer = new QBenchmarkTickMeasurer;
#endif
    } else if (mode_ == EventCounter) {
        measurer = new QBenchmarkEvent;
    } else {
        measurer =  new QBenchmarkTimeMeasurer;
    }
    measurer->init();
    return measurer;
}

int QBenchmarkGlobalData::adjustMedianIterationCount()
{
    if (medianIterationCount != -1) {
        return medianIterationCount;
    } else {
        return measurer->adjustMedianCount(1);
    }
}


QBenchmarkTestMethodData *QBenchmarkTestMethodData::current;

QBenchmarkTestMethodData::QBenchmarkTestMethodData()
:resultAccepted(false), runOnce(false), iterationCount(-1)
{
   
}

QBenchmarkTestMethodData::~QBenchmarkTestMethodData()
{
    QBenchmarkTestMethodData::current = 0;
}

void QBenchmarkTestMethodData::beginDataRun()
{
    iterationCount = adjustIterationCount(1);
}

void QBenchmarkTestMethodData::endDataRun()
{

}

int QBenchmarkTestMethodData::adjustIterationCount(int suggestion)
{
    // Let the -iteration-count option override the measurer.
    if (QBenchmarkGlobalData::current->iterationCount != -1) {
        iterationCount = QBenchmarkGlobalData::current->iterationCount;
    } else {
        iterationCount = QBenchmarkGlobalData::current->measurer->adjustIterationCount(suggestion);
    }

    return iterationCount;
}

void QBenchmarkTestMethodData::setResult(qint64 value)
{
    bool accepted = false;

    // Always accept the result if the iteration count has been
    // specified on the command line with -iteartion-count.
    if (QBenchmarkGlobalData::current->iterationCount != -1)
        accepted = true;

    if (QBenchmarkTestMethodData::current->runOnce) {
        iterationCount = 1;
        accepted = true;
    }
    
    // Test the result directly without calling the measurer if the minimum time 
    // has been specifed on the command line with -minimumvalue.
    else if (QBenchmarkGlobalData::current->walltimeMinimum != -1)
        accepted = (value > QBenchmarkGlobalData::current->walltimeMinimum);
    else
        accepted = QBenchmarkGlobalData::current->measurer->isMeasurementAccepted(value);

    // Accept the result or double the number of iterations.
    if (accepted)
        resultAccepted = true;
    else