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