1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.collections4.map;
19
20 import static org.junit.jupiter.api.Assertions.assertFalse;
21 import static org.junit.jupiter.api.Assertions.assertTrue;
22
23 import java.util.EnumSet;
24 import java.util.HashMap;
25 import java.util.Map;
26
27 import org.apache.commons.collections4.map.ConcurrentReferenceHashMap.Option;
28 import org.apache.commons.collections4.map.ConcurrentReferenceHashMap.ReferenceType;
29 import org.junit.jupiter.api.Test;
30
31 /**
32 * Tests {@link ConcurrentReferenceHashMap}.
33 */
34 public class ConcurrentReferenceHashMapTest {
35
36 @Test
37 public void testBuilderAll() {
38 final Map<Integer, String> map0 = new HashMap<>();
39 map0.put(1, "1");
40 // @formatter:off
41 final Map<Integer, String> map = ConcurrentReferenceHashMap.<Integer, String>builder()
42 .setConcurrencyLevel(4)
43 .setInitialCapacity(32)
44 .setKeyReferenceType(ReferenceType.SOFT)
45 .setLoadFactor(0.74f)
46 .setOptions(EnumSet.of(Option.IDENTITY_COMPARISONS))
47 .setSourceMap(map0)
48 .get();
49 // @formatter:on
50 map0.put(2, "2");
51 assertTrue(map.containsKey(1));
52 assertFalse(map.containsKey(2));
53
54 }
55 }