qt 6.5.1 original

tests/benchmarks/corelib/kernel/qcoreapplication/CMakeLists.txt

@@ -0,0 +1,13 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qcoreapplication Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qcoreapplication
+    SOURCES
+        tst_bench_qcoreapplication.cpp
+    LIBRARIES
+        Qt::Test
+)

tests/benchmarks/corelib/kernel/qcoreapplication/tst_bench_qcoreapplication.cpp

@@ -0,0 +1,44 @@
+// Copyright (C) 2011 Robin Burchell <robin+qt@viroteck.net>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QtCore>
+#include <qtest.h>
+#include <qcoreapplication.h>
+
+class tst_QCoreApplication : public QObject
+{
+Q_OBJECT
+private slots:
+    void event_posting_benchmark_data();
+    void event_posting_benchmark();
+};
+
+void tst_QCoreApplication::event_posting_benchmark_data()
+{
+    QTest::addColumn<int>("size");
+    QTest::newRow("50 events") << 50;
+    QTest::newRow("100 events") << 100;
+    QTest::newRow("200 events") << 200;
+    QTest::newRow("1000 events") << 1000;
+    QTest::newRow("10000 events") << 10000;
+    QTest::newRow("100000 events") << 100000;
+    QTest::newRow("1000000 events") << 1000000;
+}
+
+void tst_QCoreApplication::event_posting_benchmark()
+{
+    QFETCH(int, size);
+
+    int type = QEvent::registerEventType();
+    QCoreApplication *app = QCoreApplication::instance();
+
+    // benchmark posting & sending events
+    QBENCHMARK {
+        for (int i = 0; i < size; ++i)
+            QCoreApplication::postEvent(app, new QEvent(QEvent::Type(type)));
+        QCoreApplication::sendPostedEvents();
+    }
+}
+
+QTEST_MAIN(tst_QCoreApplication)
+
+#include "tst_bench_qcoreapplication.moc"