diff options
Diffstat (limited to 'tests/benchmarks/corelib/kernel/qcoreapplication/tst_bench_qcoreapplication.cpp')
-rw-r--r-- | tests/benchmarks/corelib/kernel/qcoreapplication/tst_bench_qcoreapplication.cpp | 70 |
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" |