diff options
Diffstat (limited to 'tests/auto/corelib/thread/qthreadpool/tst_qthreadpool.cpp')
-rw-r--r-- | tests/auto/corelib/thread/qthreadpool/tst_qthreadpool.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tests/auto/corelib/thread/qthreadpool/tst_qthreadpool.cpp b/tests/auto/corelib/thread/qthreadpool/tst_qthreadpool.cpp index a93a94a470..3c0e132a0a 100644 --- a/tests/auto/corelib/thread/qthreadpool/tst_qthreadpool.cpp +++ b/tests/auto/corelib/thread/qthreadpool/tst_qthreadpool.cpp @@ -94,6 +94,8 @@ private slots: void tryStart(); void tryStartPeakThreadCount(); void tryStartCount(); + void priorityStart_data(); + void priorityStart(); void waitForDone(); void waitForDoneTimeout(); void destroyingWaitsForTasksToFinish(); @@ -747,6 +749,57 @@ void tst_QThreadPool::tryStartCount() } } +void tst_QThreadPool::priorityStart_data() +{ + QTest::addColumn<int>("otherCount"); + QTest::newRow("0") << 0; + QTest::newRow("1") << 1; + QTest::newRow("2") << 2; +} + +void tst_QThreadPool::priorityStart() +{ + class Holder : public QRunnable + { + public: + QSemaphore &sem; + Holder(QSemaphore &sem) : sem(sem) {} + void run() + { + sem.acquire(); + } + }; + class Runner : public QRunnable + { + public: + QAtomicPointer<QRunnable> &ptr; + Runner(QAtomicPointer<QRunnable> &ptr) : ptr(ptr) {} + void run() + { + ptr.testAndSetRelaxed(0, this); + } + }; + + QFETCH(int, otherCount); + QSemaphore sem; + QAtomicPointer<QRunnable> firstStarted; + QRunnable *expected; + QThreadPool threadPool; + threadPool.setMaxThreadCount(1); // start only one thread at a time + + // queue the holder first + // We need to be sure that all threads are active when we + // queue the two Runners + threadPool.start(new Holder(sem)); + while (otherCount--) + threadPool.start(new Runner(firstStarted), 0); // priority 0 + threadPool.start(expected = new Runner(firstStarted), 1); // priority 1 + + sem.release(); + QVERIFY(threadPool.waitForDone()); + QCOMPARE(firstStarted.load(), expected); +} + void tst_QThreadPool::waitForDone() { QTime total, pass; |