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Merge pull request #5553 from eugenp/Issue-5065 

Fixed SemaphoresManualTest
This commit is contained in:
Eric Martin 2018-10-27 22:35:51 -05:00 committed by GitHub
parent 0690a6332e b12849dea6
commit 64fb1c159e
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1 changed files with 8 additions and 3 deletions
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11
core-java-concurrency/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java
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@ -4,6 +4,7 @@ import org.junit.Test;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.stream.IntStream;
import static org.junit.Assert.assertEquals;
@ -15,26 +16,28 @@ public class SemaphoresManualTest {
// ========= login queue ======
@Test
public void givenLoginQueue_whenReachLimit_thenBlocked() {
public void givenLoginQueue_whenReachLimit_thenBlocked() throws InterruptedException {
final int slots = 10;
final ExecutorService executorService = Executors.newFixedThreadPool(slots);
final LoginQueueUsingSemaphore loginQueue = new LoginQueueUsingSemaphore(slots);
IntStream.range(0, slots)
.forEach(user -> executorService.execute(loginQueue::tryLogin));
executorService.shutdown();
executorService.awaitTermination(10, TimeUnit.SECONDS);
assertEquals(0, loginQueue.availableSlots());
assertFalse(loginQueue.tryLogin());
}
@Test
public void givenLoginQueue_whenLogout_thenSlotsAvailable() {
public void givenLoginQueue_whenLogout_thenSlotsAvailable() throws InterruptedException {
final int slots = 10;
final ExecutorService executorService = Executors.newFixedThreadPool(slots);
final LoginQueueUsingSemaphore loginQueue = new LoginQueueUsingSemaphore(slots);
IntStream.range(0, slots)
.forEach(user -> executorService.execute(loginQueue::tryLogin));
executorService.shutdown();
executorService.awaitTermination(10, TimeUnit.SECONDS);
assertEquals(0, loginQueue.availableSlots());
loginQueue.logout();
@ -45,13 +48,14 @@ public class SemaphoresManualTest {
// ========= delay queue =======
@Test
public void givenDelayQueue_whenReachLimit_thenBlocked() {
public void givenDelayQueue_whenReachLimit_thenBlocked() throws InterruptedException {
final int slots = 50;
final ExecutorService executorService = Executors.newFixedThreadPool(slots);
final DelayQueueUsingTimedSemaphore delayQueue = new DelayQueueUsingTimedSemaphore(1, slots);
IntStream.range(0, slots)
.forEach(user -> executorService.execute(delayQueue::tryAdd));
executorService.shutdown();
executorService.awaitTermination(10, TimeUnit.SECONDS);
assertEquals(0, delayQueue.availableSlots());
assertFalse(delayQueue.tryAdd());
@ -65,6 +69,7 @@ public class SemaphoresManualTest {
IntStream.range(0, slots)
.forEach(user -> executorService.execute(delayQueue::tryAdd));
executorService.shutdown();
executorService.awaitTermination(10, TimeUnit.SECONDS);
assertEquals(0, delayQueue.availableSlots());
Thread.sleep(1000);