/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.client.countdownlatch;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.ICountDownLatch;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.*;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.*;
/**
* @author ali 5/28/13
*/
@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class ClientCountDownLatchTest extends HazelcastTestSupport {
static final String name = "test";
static HazelcastInstance hz;
static ICountDownLatch l;
@Before
public void init() {
Hazelcast.newHazelcastInstance();
hz = HazelcastClient.newHazelcastClient();
l = hz.getCountDownLatch(name);
}
@After
public void stop() {
hz.shutdown();
Hazelcast.shutdownAll();
}
@Test
public void testLatch() throws Exception {
assertTrue(l.trySetCount(20));
assertFalse(l.trySetCount(10));
assertEquals(20, l.getCount());
new Thread() {
public void run() {
for (int i = 0; i < 20; i++) {
l.countDown();
try {
Thread.sleep(60);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}.start();
assertFalse(l.await(1, TimeUnit.SECONDS));
assertTrue(l.await(5, TimeUnit.SECONDS));
}
@Test(expected = IllegalArgumentException.class)
public void testTrySetCount_whenArgumentNegative() {
ICountDownLatch latch = hz.getCountDownLatch(randomString());
latch.trySetCount(-20);
}
@Test
public void testTrySetCount_whenCountIsNotZero() {
ICountDownLatch latch = hz.getCountDownLatch(randomString());
latch.trySetCount(10);
assertFalse(latch.trySetCount(20));
assertFalse(latch.trySetCount(0));
assertEquals(10, latch.getCount());
}
}