/*
* 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.
*
* @since 2.2
* @see MutableBoolean
* @version $Id$
*/
public class MutableBooleanTest {
@Test
public void testCompareTo() {
final MutableBoolean mutBool = new MutableBoolean(false);
assertEquals(0, mutBool.compareTo(new MutableBoolean(false)));
assertEquals(-1, mutBool.compareTo(new MutableBoolean(true)));
mutBool.setValue(true);
assertEquals(+1, mutBool.compareTo(new MutableBoolean(false)));
assertEquals(0, mutBool.compareTo(new MutableBoolean(true)));
}
@Test(expected=NullPointerException.class)
public void testCompareToNull() {
final MutableBoolean mutBool = new MutableBoolean(false);
mutBool.compareTo(null);
}
// ----------------------------------------------------------------
@Test
public void testConstructors() {
assertFalse(new MutableBoolean().booleanValue());
assertTrue(new MutableBoolean(true).booleanValue());
assertFalse(new MutableBoolean(false).booleanValue());
assertTrue(new MutableBoolean(Boolean.TRUE).booleanValue());
assertFalse(new MutableBoolean(Boolean.FALSE).booleanValue());
}
@Test(expected=NullPointerException.class)
public void testConstructorNull() {
new MutableBoolean(null);
}
@Test
public void testEquals() {
final MutableBoolean mutBoolA = new MutableBoolean(false);
final MutableBoolean mutBoolB = new MutableBoolean(false);
final MutableBoolean mutBoolC = new MutableBoolean(true);
assertTrue(mutBoolA.equals(mutBoolA));
assertTrue(mutBoolA.equals(mutBoolB));
assertTrue(mutBoolB.equals(mutBoolA));
assertTrue(mutBoolB.equals(mutBoolB));
assertFalse(mutBoolA.equals(mutBoolC));
assertFalse(mutBoolB.equals(mutBoolC));
assertTrue(mutBoolC.equals(mutBoolC));
assertFalse(mutBoolA.equals(null));
assertFalse(mutBoolA.equals(Boolean.FALSE));
assertFalse(mutBoolA.equals("false"));
}
@Test
public void testGetSet() {
assertFalse(new MutableBoolean().booleanValue());
assertEquals(Boolean.FALSE, new MutableBoolean().getValue());
final MutableBoolean mutBool = new MutableBoolean(false);
assertEquals(Boolean.FALSE, mutBool.toBoolean());
assertFalse(mutBool.booleanValue());
assertTrue(mutBool.isFalse());
assertFalse(mutBool.isTrue());
mutBool.setValue(Boolean.TRUE);
assertEquals(Boolean.TRUE, mutBool.toBoolean());
assertTrue(mutBool.booleanValue());
assertFalse(mutBool.isFalse());
assertTrue(mutBool.isTrue());
mutBool.setValue(false);
assertFalse(mutBool.booleanValue());
mutBool.setValue(true);
assertTrue(mutBool.booleanValue());
}
@Test(expected=NullPointerException.class)
public void testSetNull() {
final MutableBoolean mutBool = new MutableBoolean(false);
mutBool.setValue(null);
}
@Test
public void testHashCode() {
final MutableBoolean mutBoolA = new MutableBoolean(false);
final MutableBoolean mutBoolB = new MutableBoolean(false);
final MutableBoolean mutBoolC = new MutableBoolean(true);
assertEquals(mutBoolA.hashCode(), mutBoolA.hashCode());
assertEquals(mutBoolA.hashCode(), mutBoolB.hashCode());
assertFalse(mutBoolA.hashCode() == mutBoolC.hashCode());
assertEquals(mutBoolA.hashCode(), Boolean.FALSE.hashCode());
assertEquals(mutBoolC.hashCode(), Boolean.TRUE.hashCode());
}
@Test
public void testToString() {
assertEquals(Boolean.FALSE.toString(), new MutableBoolean(false).toString());
assertEquals(Boolean.TRUE.toString(), new MutableBoolean(true).toString());
}
}