qt 6.5.1 original

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

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

tests/auto/testlib/selftests/benchliboptions/tst_benchliboptions.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_BenchlibOptions: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void threeEvents();
+};
+
+class tst_BenchlibFifteenIterations : public tst_BenchlibOptions
+{ Q_OBJECT };
+class tst_BenchlibOneHundredMinimum : public tst_BenchlibOptions
+{ Q_OBJECT };
+
+void tst_BenchlibOptions::threeEvents()
+{
+    QAbstractEventDispatcher* ed = QAbstractEventDispatcher::instance();
+    QBENCHMARK {
+        ed->filterNativeEvent("", 0, 0);
+        ed->filterNativeEvent("", 0, 0);
+        ed->filterNativeEvent("", 0, 0);
+    }
+}
+
+int main(int argc, char** argv)
+{
+    std::vector<const char*> args(argv, argv + argc);
+    args.push_back("-eventcounter");
+
+    int ret = 0;
+
+    TestEventDispatcher dispatcher;
+    QCoreApplication app(argc, argv);
+
+    /* Run with no special arguments. */
+    {
+        tst_BenchlibOptions test;
+        ret += QTest::qExec(&test, int(args.size()), const_cast<char**>(&args[0]));
+    }
+
+    /* Run with an exact number of iterations. */
+    {
+        auto extraArgs = args;
+        extraArgs.push_back("-iterations");
+        extraArgs.push_back("15");
+        tst_BenchlibFifteenIterations test;
+        ret += QTest::qExec(&test, int(extraArgs.size()), const_cast<char**>(&extraArgs[0]));
+    }
+
+    /*
+        Run until getting a value of at least 100.
+    */
+    {
+        auto extraArgs = args;
+        extraArgs.push_back("-minimumvalue");
+        extraArgs.push_back("100");
+        tst_BenchlibOneHundredMinimum test;
+        ret += QTest::qExec(&test, int(extraArgs.size()), const_cast<char**>(&extraArgs[0]));
+    }
+
+    return ret;
+}
+
+#include "tst_benchliboptions.moc"