public void testIncrement() throws Exception {
AtomicInteger value = new AtomicInteger(3);
List<Thread> threads = new ArrayList<>(THREAD_COUNT);
for (int threadIndex = 0; threadIndex < THREAD_COUNT; ++threadIndex) {
Thread thread =
new Thread(
() -> {
for (int iterationIndex = 0; iterationIndex < ITERATION_COUNT; ++iterationIndex) {
AtomicUtil.increment(value, 9);
}
});
threads.add(thread);
thread.start();
}
for (int threadIndex = 0; threadIndex < THREAD_COUNT; ++threadIndex) {
threads.get(threadIndex).join();
}
assertEquals("AtomicUtil.increment(AtomicInteger, int) failed.", 3, value.get());
}
