qt 6.5.1 original

tests/auto/testlib/selftests/benchlibeventcounter/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## benchlibeventcounter Binary:
+#####################################################################
+
+qt_internal_add_executable(benchlibeventcounter
+    NO_INSTALL
+    OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+    SOURCES
+        tst_benchlibeventcounter.cpp
+    LIBRARIES
+        Qt::Test
+)
+
+## Scopes:
+#####################################################################
+
+qt_internal_apply_testlib_coverage_options(benchlibeventcounter)

tests/auto/testlib/selftests/benchlibeventcounter/tst_benchlibeventcounter.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+
+#include <QtCore/QCoreApplication>
+#include <QTest>
+#if defined(Q_OS_WIN32)
+#include <QWinEventNotifier>
+#endif
+#include <QAbstractEventDispatcher>
+
+/* Custom event dispatcher to ensure we don't receive any spontaneous events */
+class TestEventDispatcher : public QAbstractEventDispatcher
+{
+    Q_OBJECT
+
+public:
+    TestEventDispatcher(QObject* parent =0)
+        : QAbstractEventDispatcher(parent)
+    {}
+    void interrupt() override {}
+    bool processEvents(QEventLoop::ProcessEventsFlags) override { return false; }
+    void registerSocketNotifier(QSocketNotifier*) override {}
+    void registerTimer(int,qint64,Qt::TimerType,QObject*) override {}
+    QList<TimerInfo> registeredTimers(QObject*) const override { return QList<TimerInfo>(); }
+    void unregisterSocketNotifier(QSocketNotifier*) override {}
+    bool unregisterTimer(int) override { return false; }
+    bool unregisterTimers(QObject*) override { return false; }
+    int remainingTime(int) override { return 0; }
+    void wakeUp() override {}
+
+#ifdef Q_OS_WIN
+    bool registerEventNotifier(QWinEventNotifier *) { return false; }
+    void unregisterEventNotifier(QWinEventNotifier *) { }
+#endif
+};
+
+class tst_BenchlibEventCounter: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void events();
+    void events_data();
+};
+
+void tst_BenchlibEventCounter::events()
+{
+    QFETCH(int, eventCount);
+
+    QAbstractEventDispatcher* ed = QAbstractEventDispatcher::instance();
+    QBENCHMARK {
+        for (int i = 0; i < eventCount; ++i) {
+            ed->filterNativeEvent("", 0, 0);
+        }
+    }
+}
+
+void tst_BenchlibEventCounter::events_data()
+{
+    QTest::addColumn<int>("eventCount");
+
+    QTest::newRow("0")      << 0;
+    QTest::newRow("1")      << 1;
+    QTest::newRow("10")     << 10;
+    QTest::newRow("100")    << 100;
+    QTest::newRow("500")    << 500;
+    QTest::newRow("5000")   << 5000;
+    QTest::newRow("100000") << 100000;
+}
+
+int main(int argc, char** argv)
+{
+    std::vector<const char*> args(argv, argv + argc);
+    args.push_back("-eventcounter");
+    argc = args.size();
+    argv = const_cast<char**>(&args[0]);
+
+    TestEventDispatcher dispatcher;
+    QCoreApplication app(argc, argv);
+    tst_BenchlibEventCounter test;
+    return QTest::qExec(&test, argc, argv);
+}
+
+#include "tst_benchlibeventcounter.moc"