/*
* 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.util;
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.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MapUtilTest {
@Test
public void isConstructorPrivate() {
HazelcastTestSupport.assertUtilityConstructor(MapUtil.class);
}
@Test
public void isNullOrEmpty_whenNull() {
assertTrue(MapUtil.isNullOrEmpty(null));
}
@Test
public void isNullOrEmpty_whenEmpty() {
assertTrue(MapUtil.isNullOrEmpty(new HashMap()));
}
@Test
public void isNullOrEmpty_whenNotEmpty() {
Map<String, String> map = new HashMap();
map.put("a", "b");
assertFalse(MapUtil.isNullOrEmpty(map));
}
}