1 files changed, 70 insertions, 0 deletions
diff --git a/tests/benchmarks/corelib/kernel/qcoreapplication/tst_bench_qcoreapplication.cpp b/tests/benchmarks/corelib/kernel/qcoreapplication/tst_bench_qcoreapplication.cpp
new file mode 100644
index 0000000000..d2ff489784
--- /dev/null
+++ b/tests/benchmarks/corelib/kernel/qcoreapplication/tst_bench_qcoreapplication.cpp
@@ -0,0 +1,70 @@
+// Copyright (C) 2011 Robin Burchell <robin+qt@viroteck.net>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+#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 event_posting_multiple_objects_benchmark_data();
+    void event_posting_multiple_objects_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();
+    }
+}
+
+void tst_QCoreApplication::event_posting_multiple_objects_benchmark_data()
+{
+    event_posting_benchmark_data();
+}
+
+void tst_QCoreApplication::event_posting_multiple_objects_benchmark()
+{
+    QFETCH(int, size);
+
+    QObject objects[15]; // The size of the array has not been chosen through any meaningful means
+
+    QRandomGenerator gen;
+
+    // benchmark posting & sending events
+    QBENCHMARK {
+        for (int i = 0; i < size; ++i) {
+            QCoreApplication::postEvent(&objects[gen.bounded(0, int(std::size(objects)))],
+                                        new QTimerEvent(i % 10));
+        }
+        QCoreApplication::sendPostedEvents();
+    }
+}
+
+QTEST_MAIN(tst_QCoreApplication)
+
+#include "tst_bench_qcoreapplication.moc"