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/*
* 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 static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import org.apache.commons.lang3.AbstractLangTest;
import org.junit.jupiter.api.Test;
/**
* JUnit tests.
*
* @see MutableShort
*/
public class MutableObjectTest extends AbstractLangTest {
@Test
public void testConstructors() {
assertNull(new MutableObject<String>().getValue());
final Integer i = Integer.valueOf(6);
assertSame(i, new MutableObject<>(i).getValue());
assertSame("HI", new MutableObject<>("HI").getValue());
assertSame(null, new MutableObject<>(null).getValue());
}
@Test
public void testEquals() {
final MutableObject<String> mutNumA = new MutableObject<>("ALPHA");
final MutableObject<String> mutNumB = new MutableObject<>("ALPHA");
final MutableObject<String> mutNumC = new MutableObject<>("BETA");
final MutableObject<String> mutNumD = new MutableObject<>(null);
assertEquals(mutNumA, mutNumA);
assertEquals(mutNumA, mutNumB);
assertEquals(mutNumB, mutNumA);
assertEquals(mutNumB, mutNumB);
assertNotEquals(mutNumA, mutNumC);
assertNotEquals(mutNumB, mutNumC);
assertEquals(mutNumC, mutNumC);
assertNotEquals(mutNumA, mutNumD);
assertEquals(mutNumD, mutNumD);
assertNotEquals(null, mutNumA);
assertNotEquals(mutNumA, new Object());
assertNotEquals("0", mutNumA);
}
@Test
public void testGetSet() {
final MutableObject<String> mutNum = new MutableObject<>();
assertNull(new MutableObject<>().getValue());
mutNum.setValue("HELLO");
assertSame("HELLO", mutNum.getValue());
mutNum.setValue(null);
assertSame(null, mutNum.getValue());
}
@Test
public void testHashCode() {
final MutableObject<String> mutNumA = new MutableObject<>("ALPHA");
final MutableObject<String> mutNumB = new MutableObject<>("ALPHA");
final MutableObject<String> mutNumC = new MutableObject<>("BETA");
final MutableObject<String> mutNumD = new MutableObject<>(null);
assertEquals(mutNumA.hashCode(), mutNumA.hashCode());
assertEquals(mutNumA.hashCode(), mutNumB.hashCode());
assertNotEquals(mutNumA.hashCode(), mutNumC.hashCode());
assertNotEquals(mutNumA.hashCode(), mutNumD.hashCode());
assertEquals(mutNumA.hashCode(), "ALPHA".hashCode());
assertEquals(0, mutNumD.hashCode());
}
@Test
public void testToString() {
assertEquals("HI", new MutableObject<>("HI").toString());
assertEquals("10.0", new MutableObject<>(Double.valueOf(10)).toString());
assertEquals("null", new MutableObject<>(null).toString());
}
}
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