/*
* 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.map;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
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.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MapPredicateTest extends HazelcastTestSupport {
@Test
public void testMapKeySet() {
IMap<String, String> map = getMapWithNodeCount(3);
map.put("key1", "value1");
map.put("key2", "value2");
map.put("key3", "value3");
List<String> listExpected = new ArrayList<String>();
listExpected.add("key1");
listExpected.add("key2");
listExpected.add("key3");
final List<String> list = new ArrayList<String>(map.keySet());
Collections.sort(list);
Collections.sort(listExpected);
assertEquals(listExpected, list);
}
@Test
public void testMapLocalKeySet() {
IMap<String, String> map = getMapWithNodeCount(3);
map.put("key1", "value1");
map.put("key2", "value2");
map.put("key3", "value3");
List<String> listExpected = new ArrayList<String>();
listExpected.add("key1");
listExpected.add("key2");
listExpected.add("key3");
final List<String> list = new ArrayList<String>(map.keySet());
Collections.sort(list);
Collections.sort(listExpected);
assertEquals(listExpected, list);
}
@Test
public void testMapValues() {
IMap<String, String> map = getMapWithNodeCount(3);
map.put("key1", "value1");
map.put("key2", "value2");
map.put("key3", "value3");
map.put("key4", "value3");
List<String> values = new ArrayList<String>(map.values());
List<String> expected = new ArrayList<String>();
expected.add("value1");
expected.add("value2");
expected.add("value3");
expected.add("value3");
Collections.sort(values);
Collections.sort(expected);
assertEquals(expected, values);
}
@Test
public void valuesToArray() {
IMap<String, String> map = getMapWithNodeCount(3);
assertEquals(0, map.size());
map.put("a", "1");
map.put("b", "2");
map.put("c", "3");
assertEquals(3, map.size());
{
final Object[] values = map.values().toArray();
Arrays.sort(values);
assertArrayEquals(new Object[]{"1", "2", "3"}, values);
}
{
final String[] values = map.values().toArray(new String[3]);
Arrays.sort(values);
assertArrayEquals(new String[]{"1", "2", "3"}, values);
}
{
final String[] values = map.values().toArray(new String[2]);
Arrays.sort(values);
assertArrayEquals(new String[]{"1", "2", "3"}, values);
}
{
final String[] values = map.values().toArray(new String[5]);
Arrays.sort(values, 0, 3);
assertArrayEquals(new String[]{"1", "2", "3", null, null}, values);
}
}
@Test
public void testMapEntrySetWhenRemoved() {
IMap<String, String> map = getMapWithNodeCount(3);
map.put("Hello", "World");
map.remove("Hello");
Set<IMap.Entry<String, String>> set = map.entrySet();
for (IMap.Entry<String, String> e : set) {
fail("Iterator should not contain removed entry, found " + e.getKey());
}
}
@Test
public void testEntrySet() {
IMap<Integer, Integer> map = getMapWithNodeCount(3);
map.put(1, 1);
map.put(2, 2);
map.put(3, 3);
map.put(4, 4);
map.put(5, 5);
Set<Map.Entry<Integer, Integer>> entrySet = new HashSet<Map.Entry<Integer, Integer>>();
entrySet.add(new AbstractMap.SimpleImmutableEntry<Integer, Integer>(1, 1));
entrySet.add(new AbstractMap.SimpleImmutableEntry<Integer, Integer>(2, 2));
entrySet.add(new AbstractMap.SimpleImmutableEntry<Integer, Integer>(3, 3));
entrySet.add(new AbstractMap.SimpleImmutableEntry<Integer, Integer>(4, 4));
entrySet.add(new AbstractMap.SimpleImmutableEntry<Integer, Integer>(5, 5));
assertEquals(entrySet, map.entrySet());
}
private <K, V> IMap<K, V> getMapWithNodeCount(int nodeCount) {
if (nodeCount < 1) {
throw new IllegalArgumentException("node count < 1");
}
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(nodeCount);
HazelcastInstance instance = factory.newInstances(getConfig())[0];
return instance.getMap(randomString());
}
}