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.prefs.tests.java.util.prefs;
18
19import java.io.NotSerializableException;
20import java.util.prefs.NodeChangeEvent;
21import java.util.prefs.Preferences;
22
23import junit.framework.TestCase;
24
25import org.apache.harmony.testframework.serialization.SerializationTest;
26
27/**
28 *
29 */
30public class NodeChangeEventTest extends TestCase {
31
32    NodeChangeEvent event;
33
34    public void testConstructor() {
35        event = new NodeChangeEvent(Preferences.systemRoot(), Preferences
36                .userRoot());
37        assertSame(Preferences.systemRoot(), event.getParent());
38        assertSame(Preferences.userRoot(), event.getChild());
39        assertSame(Preferences.systemRoot(), event.getSource());
40    }
41
42    public void testConstructorNullParam() {
43        try {
44            event = new NodeChangeEvent(null, Preferences.userRoot());
45            fail();
46        } catch (IllegalArgumentException e) {
47        }
48
49        event = new NodeChangeEvent(Preferences.systemRoot(), null);
50        assertSame(Preferences.systemRoot(), event.getParent());
51        assertNull(event.getChild());
52        assertSame(Preferences.systemRoot(), event.getSource());
53    }
54
55    public void testSerialization() throws Exception {
56
57        event = new NodeChangeEvent(Preferences.systemRoot(), null);
58
59        try {
60            SerializationTest.copySerializable(event);
61            fail("No expected NotSerializableException");
62        } catch (NotSerializableException e) {
63        }
64    }
65}
66