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39
40#include <QtTest/private/qbenchmarkevent_p.h>
41#include <QtTest/private/qbenchmark_p.h>
42#include <QtTest/private/qbenchmarkmetric_p.h>
43#include <qdebug.h>
44
45QT_BEGIN_NAMESPACE
46
47QBenchmarkEvent::QBenchmarkEvent() = default;
48
49QBenchmarkEvent::~QBenchmarkEvent() = default;
50
51void QBenchmarkEvent::start()
52{
53 eventCounter = 0;
54 QAbstractEventDispatcher::instance()->installNativeEventFilter(filterObj: this);
55}
56
57qint64 QBenchmarkEvent::checkpoint()
58{
59 return eventCounter;
60}
61
62qint64 QBenchmarkEvent::stop()
63{
64 QAbstractEventDispatcher::instance()->removeNativeEventFilter(filterObj: this);
65 return eventCounter;
66}
67
68// It's very tempting to simply reject a measurement if 0 events
69// where counted, however that is a possible situation and returning
70// false here will create a infinite loop. Do not change this.
71bool QBenchmarkEvent::isMeasurementAccepted(qint64 measurement)
72{
73 Q_UNUSED(measurement);
74 return true;
75}
76
77int QBenchmarkEvent::adjustIterationCount(int suggestion)
78{
79 return suggestion;
80}
81
82int QBenchmarkEvent::adjustMedianCount(int suggestion)
83{
84 Q_UNUSED(suggestion);
85 return 1;
86}
87
88QTest::QBenchmarkMetric QBenchmarkEvent::metricType()
89{
90 return QTest::Events;
91}
92
93// This could be done in a much better way, this is just the beginning.
94#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
95bool QBenchmarkEvent::nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result)
96#else
97bool QBenchmarkEvent::nativeEventFilter(const QByteArray &eventType, void *message, long *result)
98#endif
99{
100 Q_UNUSED(eventType);
101 Q_UNUSED(message);
102 Q_UNUSED(result);
103
104 eventCounter++;
105 return false;
106}
107
108QT_END_NAMESPACE
109

source code of qtbase/src/testlib/qbenchmarkevent.cpp