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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.utils.time;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
public class SleepItemTest {
private static final int SLEEP_MS = 250;
private static final long MAX_WAIT_MS = 5000L;
private TestTime currentTime;
private Thread thread;
private CountDownLatch started;
private CountDownLatch finished;
private volatile InterruptedException threadEx;
private SleepItem item;
/**
* Sets up objects, including {@link #item}.
*/
@Before
public void setUp() {
currentTime = new TestTime();
started = new CountDownLatch(1);
finished = new CountDownLatch(1);
thread = new Thread() {
@Override
public void run() {
try {
started.countDown();
item.await();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
threadEx = e;
}
finished.countDown();
}
};
thread.setDaemon(true);
item = new SleepItem(currentTime, SLEEP_MS, thread);
}
@Test
public void testInterrupt() throws InterruptedException {
startThread();
item.interrupt();
assertTrue(finished.await(MAX_WAIT_MS, TimeUnit.MILLISECONDS));
assertNotNull(threadEx);
}
@Test
public void testFire_testAwait() throws InterruptedException {
startThread();
// verify that it hasn't finished yet
thread.join(250);
assertTrue(finished.getCount() > 0);
// now fire it and verify that it finishes
item.fire();
assertTrue(finished.await(MAX_WAIT_MS, TimeUnit.MILLISECONDS));
assertNull(threadEx);
}
@Test
public void testSleepItem() {
assertEquals(currentTime.getMillis() + SLEEP_MS, item.getNextMs());
}
@Test
public void testToString() {
assertNotNull(item.toString());
}
private void startThread() throws InterruptedException {
thread.start();
started.await();
}
}
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