qt 6.5.1 original

tests/benchmarks/corelib/thread/qthreadpool/CMakeLists.txt

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

tests/benchmarks/corelib/thread/qthreadpool/tst_bench_qthreadpool.cpp

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+// Copyright (C) 2013 David Faure <david.faure@kdab.com>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <qtest.h>
+#include <QtCore>
+
+class tst_QThreadPool : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QThreadPool();
+    ~tst_QThreadPool();
+
+private slots:
+    void startRunnables();
+    void activeThreadCount();
+};
+
+tst_QThreadPool::tst_QThreadPool()
+{
+}
+
+tst_QThreadPool::~tst_QThreadPool()
+{
+}
+
+class NoOpRunnable : public QRunnable
+{
+public:
+    void run() override {
+    }
+};
+
+void tst_QThreadPool::startRunnables()
+{
+    QThreadPool threadPool;
+    threadPool.setMaxThreadCount(10);
+    QBENCHMARK {
+        threadPool.start(new NoOpRunnable());
+    }
+}
+
+void tst_QThreadPool::activeThreadCount()
+{
+    QThreadPool threadPool;
+    threadPool.start(new NoOpRunnable());
+    QBENCHMARK {
+        QVERIFY(threadPool.activeThreadCount() <= 10);
+    }
+}
+
+QTEST_MAIN(tst_QThreadPool)
+
+#include "tst_bench_qthreadpool.moc"