/*
* 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.concurrent.idgen;
import com.hazelcast.core.IAtomicLong;
import com.hazelcast.core.IdGenerator;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.UUID;
import static com.hazelcast.mock.IAtomicLongMocks.mockIAtomicLong;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class IdGeneratorProxyTest {
private IdGenerator idGenerator = createIdGenerator();
@Test
public void testInitIncrements() {
assertNewIdAfterInit(0);
assertNewIdAfterInit(1);
assertNewIdAfterInit(10);
}
@Test
public void testInitFailsOnNegativeValues() {
assertFalse(idGenerator.init(-1));
}
private static void assertNewIdAfterInit(int initialValue) {
IdGenerator idGenerator = createIdGenerator();
assertTrue(idGenerator.init(initialValue));
assertEquals(initialValue + 1, idGenerator.newId());
}
private static IdGenerator createIdGenerator() {
String name = "id-" + UUID.randomUUID().toString();
IAtomicLong blockGenerator = mockIAtomicLong();
return new IdGeneratorProxy(blockGenerator, name, null, null);
}
}