@Test
public void tryAcquire() throws Exception {
assertTrue(s.tryAcquire());
assertTrue(s.tryAcquire(9));
assertEquals(0, s.availablePermits());
assertFalse(s.tryAcquire(1, TimeUnit.SECONDS));
assertFalse(s.tryAcquire(2, 1, TimeUnit.SECONDS));
final CountDownLatch latch = new CountDownLatch(1);
new Thread() {
public void run() {
try {
if (s.tryAcquire(2, 5, TimeUnit.SECONDS)) {
latch.countDown();
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}.start();
s.release(2);
assertTrue(latch.await(10, TimeUnit.SECONDS));
assertEquals(0, s.availablePermits());
}
@Test
public void testAcquire() throws Exception {
assertEquals(10, s.drainPermits());
final CountDownLatch latch = new CountDownLatch(1);
new Thread() {
public void run() {
try {
s.acquire();
latch.countDown();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}.start();
Thread.sleep(1000);
s.release(2);
assertTrue(latch.await(10, TimeUnit.SECONDS));
assertEquals(1, s.availablePermits());
}
