/*
* 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.commons.lang3.mutable;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* JUnit tests.
*
* @version $Id$
* @see MutableShort
*/
public class MutableObjectTest {
// ----------------------------------------------------------------
@Test
public void testConstructors() {
assertEquals(null, new MutableObject<String>().getValue());
final Integer i = Integer.valueOf(6);
assertSame(i, new MutableObject<Integer>(i).getValue());
assertSame("HI", new MutableObject<String>("HI").getValue());
assertSame(null, new MutableObject<Object>(null).getValue());
}
@Test
public void testGetSet() {
final MutableObject<String> mutNum = new MutableObject<String>();
assertEquals(null, new MutableObject<Object>().getValue());
mutNum.setValue("HELLO");
assertSame("HELLO", mutNum.getValue());
mutNum.setValue(null);
assertSame(null, mutNum.getValue());
}
@Test
public void testEquals() {
final MutableObject<String> mutNumA = new MutableObject<String>("ALPHA");
final MutableObject<String> mutNumB = new MutableObject<String>("ALPHA");
final MutableObject<String> mutNumC = new MutableObject<String>("BETA");
final MutableObject<String> mutNumD = new MutableObject<String>(null);
assertTrue(mutNumA.equals(mutNumA));
assertTrue(mutNumA.equals(mutNumB));
assertTrue(mutNumB.equals(mutNumA));
assertTrue(mutNumB.equals(mutNumB));
assertFalse(mutNumA.equals(mutNumC));
assertFalse(mutNumB.equals(mutNumC));
assertTrue(mutNumC.equals(mutNumC));
assertFalse(mutNumA.equals(mutNumD));
assertTrue(mutNumD.equals(mutNumD));
assertFalse(mutNumA.equals(null));
assertFalse(mutNumA.equals(new Object()));
assertFalse(mutNumA.equals("0"));
}
@Test
public void testHashCode() {
final MutableObject<String> mutNumA = new MutableObject<String>("ALPHA");
final MutableObject<String> mutNumB = new MutableObject<String>("ALPHA");
final MutableObject<String> mutNumC = new MutableObject<String>("BETA");
final MutableObject<String> mutNumD = new MutableObject<String>(null);
assertTrue(mutNumA.hashCode() == mutNumA.hashCode());
assertTrue(mutNumA.hashCode() == mutNumB.hashCode());
assertFalse(mutNumA.hashCode() == mutNumC.hashCode());
assertFalse(mutNumA.hashCode() == mutNumD.hashCode());
assertTrue(mutNumA.hashCode() == "ALPHA".hashCode());
assertEquals(0, mutNumD.hashCode());
}
@Test
public void testToString() {
assertEquals("HI", new MutableObject<String>("HI").toString());
assertEquals("10.0", new MutableObject<Double>(Double.valueOf(10)).toString());
assertEquals("null", new MutableObject<Object>(null).toString());
}
}