/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.brooklyn.core.internal.storage.impl;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import java.util.AbstractMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.brooklyn.core.internal.storage.impl.ConcurrentMapAcceptingNullVals;
import org.apache.brooklyn.util.collections.MutableList;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.collections.MutableSet;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
public class ConcurrentMapAcceptingNullValsTest {
private ConcurrentMap<String, String> delegateMap;
private ConcurrentMapAcceptingNullVals<String, String> map;
@BeforeMethod(alwaysRun=true)
public void setUp() throws Exception {
delegateMap = new ConcurrentHashMap<String,String>();
map = new ConcurrentMapAcceptingNullVals<String,String>(delegateMap);
}
@Test
public void testSimpleOperations() throws Exception {
map.put("k1", "v1");
assertEquals(map, ImmutableMap.of("k1", "v1"));
assertEquals(map.keySet(), ImmutableSet.of("k1"));
assertEquals(ImmutableList.copyOf(map.values()), ImmutableList.of("v1"));
assertEquals(map.size(), 1);
assertEquals(map.get("k1"), "v1");
assertTrue(map.containsKey("k1"));
assertTrue(map.containsValue("v1"));
assertFalse(map.containsKey("notthere"));
assertFalse(map.containsValue("notthere"));
assertFalse(map.isEmpty());
map.put("k1", "v2");
assertEquals(map.get("k1"), "v2");
assertEquals(map.size(), 1);
assertEquals(map, ImmutableMap.of("k1", "v2"));
map.remove("k1");
assertTrue(map.isEmpty());
assertEquals(map.size(), 0);
assertEquals(map.get("k1"), null);
assertEquals(map, ImmutableMap.of());
map.putAll(ImmutableMap.of("k1", "v3", "k2", "v4"));
assertEquals(map, ImmutableMap.of("k1", "v3", "k2", "v4"));
map.clear();
assertEquals(map.size(), 0);
assertEquals(map, ImmutableMap.of());
}
@Test
public void testAcceptsNullValue() throws Exception {
map.put("k1", null);
assertEquals(map, MutableMap.of("k1", null));
assertEquals(map.keySet(), MutableSet.of("k1"));
assertEquals(MutableList.copyOf(map.values()), MutableList.of(null));
assertEquals(map.entrySet(), MutableSet.of(new AbstractMap.SimpleEntry<String,String>("k1", null)));
assertEquals(map.size(), 1);
assertEquals(map.get("k1"), null);
assertTrue(map.containsKey("k1"));
assertTrue(map.containsValue(null));
assertFalse(map.containsKey("notthere"));
assertFalse(map.containsValue("notthere"));
assertFalse(map.isEmpty());
map.put("k2", null);
assertEquals(map.get("k2"), null);
assertEquals(map.size(), 2);
assertEquals(map, MutableMap.of("k1", null, "k2", null));
assertEquals(MutableList.copyOf(map.values()), MutableList.of(null, null));
assertEquals(map.entrySet(), MutableSet.of(new AbstractMap.SimpleEntry<String,String>("k1", null), new AbstractMap.SimpleEntry<String,String>("k2", null)));
map.remove("k1");
assertEquals(map.get("k1"), null);
assertEquals(map.get("k2"), null);
assertEquals(map.size(), 1);
assertEquals(map, MutableMap.of("k2", null));
assertEquals(MutableList.copyOf(map.values()), MutableList.of(null));
assertEquals(map.entrySet(), MutableSet.of(new AbstractMap.SimpleEntry<String,String>("k2", null)));
}
}