src/testlib/qbenchmarkevent.cpp
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     1 /****************************************************************************
       
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    40 ****************************************************************************/
       
    41 
       
    42 #include "QtTest/private/qbenchmarkevent_p.h"
       
    43 #include "QtTest/private/qbenchmark_p.h"
       
    44 #include <qdebug.h>
       
    45 
       
    46 QT_BEGIN_NAMESPACE
       
    47 
       
    48 QAbstractEventDispatcher::EventFilter oldEventFilter = 0;
       
    49 qint64 QBenchmarkEvent::eventCounter = 0;
       
    50 
       
    51 QBenchmarkEvent::~QBenchmarkEvent()
       
    52 {
       
    53 }
       
    54 
       
    55 void QBenchmarkEvent::start()
       
    56 {
       
    57     QBenchmarkEvent::eventCounter = 0;
       
    58     QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance();
       
    59     oldEventFilter = parent->setEventFilter(QBenchmarkEvent::eventCountingMechanism);
       
    60 }
       
    61 
       
    62 qint64 QBenchmarkEvent::checkpoint()
       
    63 {
       
    64     return QBenchmarkEvent::eventCounter;
       
    65 }
       
    66 
       
    67 qint64 QBenchmarkEvent::stop()
       
    68 {
       
    69     QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance();
       
    70     parent->setEventFilter(oldEventFilter);
       
    71     return QBenchmarkEvent::eventCounter;
       
    72 }
       
    73 
       
    74 // It's very tempting to simply reject a measurement if 0 events
       
    75 // where counted, however that is a possible situation and returning
       
    76 // false here will create a infinite loop. Do not change this.
       
    77 bool QBenchmarkEvent::isMeasurementAccepted(qint64 measurement)
       
    78 {
       
    79     Q_UNUSED(measurement);
       
    80     return true;
       
    81 }
       
    82 
       
    83 int QBenchmarkEvent::adjustIterationCount(int suggestion)
       
    84 {
       
    85     return suggestion;
       
    86 }
       
    87 
       
    88 int QBenchmarkEvent::adjustMedianCount(int suggestion)
       
    89 {
       
    90     Q_UNUSED(suggestion);
       
    91     return 1;
       
    92 }
       
    93 
       
    94 QString QBenchmarkEvent::unitText()
       
    95 {
       
    96     return QLatin1String("events");
       
    97 }
       
    98 
       
    99 QString QBenchmarkEvent::metricText()
       
   100 {
       
   101     return QLatin1String("events");
       
   102 }
       
   103 
       
   104 // This could be done in a much better way, this is just the beginning.
       
   105 bool QBenchmarkEvent::eventCountingMechanism(void *message)
       
   106 {
       
   107     Q_UNUSED(message);
       
   108     QBenchmarkEvent::eventCounter++;
       
   109     return false;
       
   110 }
       
   111 
       
   112 QT_END_NAMESPACE