HashMapTest.java revision 2ad60cfc28e14ee8f0bb038720836a4696c478ad 
1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package org.apache.harmony.luni.tests.java.util;
18
19import java.util.HashMap;
20import java.util.Map;
21
22import junit.framework.TestCase;
23
24import org.apache.harmony.testframework.serialization.SerializationTest;
25
26public class HashMapTest extends TestCase {
27    class SubMap<K, V> extends HashMap<K, V> {
28        public SubMap(Map<? extends K, ? extends V> m) {
29            super(m);
30        }
31
32        public V put(K key, V value) {
33            throw new UnsupportedOperationException();
34        }
35    }
36
37    /**
38     * @tests java.util.HashMap#HashMap(java.util.Map)
39     */
40    public void test_ConstructorLjava_util_Map() {
41        HashMap map = new HashMap();
42        map.put("a", "a");
43        SubMap map2 = new SubMap(map);
44        assertTrue(map2.containsKey("a"));
45        assertTrue(map2.containsValue("a"));
46    }
47
48    /**
49     * @tests serialization/deserialization.
50     */
51    public void testSerializationSelf() throws Exception {
52        HashMap<String, String> hm = new HashMap<String, String>();
53        hm.put("key", "value");
54
55        SerializationTest.verifySelf(hm);
56
57        //  regression for HARMONY-1583
58        hm.put(null, "null");
59        SerializationTest.verifySelf(hm);
60    }
61
62    /**
63     * @tests serialization/deserialization compatibility with RI.
64     */
65    public void testSerializationCompatibility() throws Exception {
66        HashMap<String, String> hm = new HashMap<String, String>();
67        hm.put("key", "value");
68
69        SerializationTest.verifyGolden(this, hm);
70    }
71}
72