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6** This file is part of the test suite of the Qt Toolkit.
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28
29
30#include <QtCore/QCoreApplication>
31#include <QtTest/QtTest>
32
33/* Custom event dispatcher to ensure we don't receive any spontaneous events */
34class TestEventDispatcher : public QAbstractEventDispatcher
35{
36 Q_OBJECT
37
38public:
39 TestEventDispatcher(QObject* parent =0)
40 : QAbstractEventDispatcher(parent)
41 {}
42 void flush() {}
43 bool hasPendingEvents() { return false; }
44 void interrupt() {}
45 bool processEvents(QEventLoop::ProcessEventsFlags) { return false; }
46 void registerSocketNotifier(QSocketNotifier*) {}
47 void registerTimer(int,int,Qt::TimerType,QObject*) {}
48 QList<TimerInfo> registeredTimers(QObject*) const { return QList<TimerInfo>(); }
49 void unregisterSocketNotifier(QSocketNotifier*) {}
50 bool unregisterTimer(int) { return false; }
51 bool unregisterTimers(QObject*) { return false; }
52 int remainingTime(int) { return 0; }
53 void wakeUp() {}
54
55#ifdef Q_OS_WIN
56 bool registerEventNotifier(QWinEventNotifier *) { return false; }
57 void unregisterEventNotifier(QWinEventNotifier *) { }
58#endif
59};
60
61class tst_BenchlibEventCounter: public QObject
62{
63 Q_OBJECT
64
65private slots:
66 void events();
67 void events_data();
68};
69
70void tst_BenchlibEventCounter::events()
71{
72 QFETCH(int, eventCount);
73
74 QAbstractEventDispatcher* ed = QAbstractEventDispatcher::instance();
75 QBENCHMARK {
76 for (int i = 0; i < eventCount; ++i) {
77 ed->filterNativeEvent(eventType: "", message: 0, result: 0);
78 }
79 }
80}
81
82void tst_BenchlibEventCounter::events_data()
83{
84 QTest::addColumn<int>(name: "eventCount");
85
86 QTest::newRow(dataTag: "0") << 0;
87 QTest::newRow(dataTag: "1") << 1;
88 QTest::newRow(dataTag: "10") << 10;
89 QTest::newRow(dataTag: "100") << 100;
90 QTest::newRow(dataTag: "500") << 500;
91 QTest::newRow(dataTag: "5000") << 5000;
92 QTest::newRow(dataTag: "100000") << 100000;
93}
94
95int main(int argc, char** argv)
96{
97 std::vector<const char*> args(argv, argv + argc);
98 args.push_back(x: "-eventcounter");
99 argc = args.size();
100 argv = const_cast<char**>(&args[0]);
101
102 TestEventDispatcher dispatcher;
103 QCoreApplication app(argc, argv);
104 tst_BenchlibEventCounter test;
105 return QTest::qExec(testObject: &test, argc, argv);
106}
107
108#include "tst_benchlibeventcounter.moc"
109

source code of qtbase/tests/auto/testlib/selftests/benchlibeventcounter/tst_benchlibeventcounter.cpp