/*
* Copyright (c) 2008-2017, 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.collection.impl.queue;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IQueue;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.SplitBrainTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastSerialClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class QueueSplitBrainTest extends SplitBrainTestSupport {
private String name = randomString();
private final int initialCount = 100;
private final int finalCount = initialCount + 50;
@Override
protected int[] brains() {
// 2nd merges to the 1st
return new int[]{2, 1};
}
@Override
protected void onBeforeSplitBrainCreated(HazelcastInstance[] instances) throws Exception {
IQueue<Object> queue = instances[0].getQueue(name);
for (int i = 0; i < initialCount; i++) {
queue.offer("item" + i);
}
waitAllForSafeState(instances);
}
@Override
protected void onAfterSplitBrainCreated(HazelcastInstance[] firstBrain, HazelcastInstance[] secondBrain)
throws Exception {
IQueue<Object> queue1 = firstBrain[0].getQueue(name);
for (int i = initialCount; i < finalCount; i++) {
queue1.offer("item" + i);
}
IQueue<Object> queue2 = secondBrain[0].getQueue(name);
for (int i = initialCount; i < finalCount + 10; i++) {
queue2.offer("lost-item" + i);
}
}
@Override
protected void onAfterSplitBrainHealed(HazelcastInstance[] instances) throws Exception {
for (HazelcastInstance instance : instances) {
IQueue<Object> queue = instance.getQueue(name);
assertEquals(finalCount, queue.size());
}
IQueue<Object> queue = instances[instances.length - 1].getQueue(name);
for (int i = 0; i < finalCount; i++) {
assertEquals("item" + i, queue.poll());
}
}
}