/*
* 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.client.map;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.Config;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.TruePredicate;
import com.hazelcast.query.impl.FalsePredicate;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import java.util.Map;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientMapRemoveAllTest extends HazelcastTestSupport {
@Rule
public ExpectedException expectedException = ExpectedException.none();
private static final int MAP_SIZE = 1000;
private static final int NODE_COUNT = 3;
private TestHazelcastFactory factory;
private HazelcastInstance client;
@Before
public void setUp() throws Exception {
factory = new TestHazelcastFactory();
factory.newInstances(new Config(), NODE_COUNT);
client = factory.newHazelcastClient();
}
@After
public void tearDown() throws Exception {
factory.shutdownAll();
}
@Test
public void throws_exception_whenPredicateNull() throws Exception {
expectedException.expect(NullPointerException.class);
expectedException.expectMessage("predicate cannot be null");
IMap map = client.getMap("test");
map.removeAll(null);
}
@Test
public void removes_all_entries_whenPredicateTrue() throws Exception {
IMap map = client.getMap("test");
for (int i = 0; i < MAP_SIZE; i++) {
map.put(i, i);
}
map.removeAll(TruePredicate.INSTANCE);
assertEquals(0, map.size());
}
@Test
public void removes_no_entries_whenPredicateFalse() throws Exception {
IMap map = client.getMap("test");
for (int i = 0; i < MAP_SIZE; i++) {
map.put(i, i);
}
map.removeAll(FalsePredicate.INSTANCE);
assertEquals(MAP_SIZE, map.size());
}
@Test
public void removes_odd_keys_whenPredicateOdd() throws Exception {
IMap<Integer, Integer> map = client.getMap("test");
for (int i = 0; i < MAP_SIZE; i++) {
map.put(i, i);
}
map.removeAll(new OddFinderPredicate());
assertEquals(500, map.size());
}
private static final class OddFinderPredicate implements Predicate<Integer, Integer> {
@Override
public boolean apply(Map.Entry<Integer, Integer> mapEntry) {
return mapEntry.getKey() % 2 != 0;
}
}
}