| /* |
| * Copyright 2002-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.lang.mutable; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| import junit.textui.TestRunner; |
| |
| /** |
| * JUnit tests. |
| * |
| * @version $Id: MutableIntTest.java,v 1.2 2004/12/26 02:35:47 bayard Exp $ |
| * @see MutableInt |
| */ |
| public class MutableIntTest extends TestCase { |
| |
| public MutableIntTest(String testName) { |
| super(testName); |
| } |
| |
| public static void main(String[] args) { |
| TestRunner.run(suite()); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(MutableIntTest.class); |
| } |
| |
| // ---------------------------------------------------------------- |
| public void testConstructors() { |
| assertEquals(0, new MutableInt().intValue()); |
| |
| assertEquals(1, new MutableInt(1).intValue()); |
| |
| assertEquals(2, new MutableInt(new Integer(2)).intValue()); |
| assertEquals(3, new MutableInt(new MutableLong(3)).intValue()); |
| try { |
| new MutableInt(null); |
| fail(); |
| } catch (NullPointerException ex) {} |
| } |
| |
| public void testGetSet() { |
| final MutableInt mutNum = new MutableInt(0); |
| assertEquals(0, new MutableInt().intValue()); |
| assertEquals(new Integer(0), new MutableInt().getValue()); |
| |
| mutNum.setValue(1); |
| assertEquals(1, mutNum.intValue()); |
| assertEquals(new Integer(1), mutNum.getValue()); |
| |
| mutNum.setValue(new Integer(2)); |
| assertEquals(2, mutNum.intValue()); |
| assertEquals(new Integer(2), mutNum.getValue()); |
| |
| mutNum.setValue(new MutableLong(3)); |
| assertEquals(3, mutNum.intValue()); |
| assertEquals(new Integer(3), mutNum.getValue()); |
| try { |
| mutNum.setValue(null); |
| fail(); |
| } catch (NullPointerException ex) {} |
| try { |
| mutNum.setValue("0"); |
| fail(); |
| } catch (ClassCastException ex) {} |
| } |
| |
| public void testEquals() { |
| final MutableInt mutNumA = new MutableInt(0); |
| final MutableInt mutNumB = new MutableInt(0); |
| final MutableInt mutNumC = new MutableInt(1); |
| |
| assertEquals(true, mutNumA.equals(mutNumA)); |
| assertEquals(true, mutNumA.equals(mutNumB)); |
| assertEquals(true, mutNumB.equals(mutNumA)); |
| assertEquals(true, mutNumB.equals(mutNumB)); |
| assertEquals(false, mutNumA.equals(mutNumC)); |
| assertEquals(false, mutNumB.equals(mutNumC)); |
| assertEquals(true, mutNumC.equals(mutNumC)); |
| assertEquals(false, mutNumA.equals(null)); |
| assertEquals(false, mutNumA.equals(new Integer(0))); |
| assertEquals(false, mutNumA.equals("0")); |
| } |
| |
| public void testHashCode() { |
| final MutableInt mutNumA = new MutableInt(0); |
| final MutableInt mutNumB = new MutableInt(0); |
| final MutableInt mutNumC = new MutableInt(1); |
| |
| assertEquals(true, mutNumA.hashCode() == mutNumA.hashCode()); |
| assertEquals(true, mutNumA.hashCode() == mutNumB.hashCode()); |
| assertEquals(false, mutNumA.hashCode() == mutNumC.hashCode()); |
| assertEquals(true, mutNumA.hashCode() == new Integer(0).hashCode()); |
| } |
| |
| public void testCompareTo() { |
| final MutableInt mutNum = new MutableInt(0); |
| |
| assertEquals(0, mutNum.compareTo(new MutableInt(0))); |
| assertEquals(+1, mutNum.compareTo(new MutableInt(-1))); |
| assertEquals(-1, mutNum.compareTo(new MutableInt(1))); |
| try { |
| mutNum.compareTo(null); |
| fail(); |
| } catch (NullPointerException ex) {} |
| try { |
| mutNum.compareTo(new Integer(0)); |
| fail(); |
| } catch (ClassCastException ex) {} |
| try { |
| mutNum.compareTo("0"); |
| fail(); |
| } catch (ClassCastException ex) {} |
| } |
| |
| public void testPrimitiveValues() { |
| MutableInt mutNum = new MutableInt(1); |
| |
| assertEquals( 1.0F, mutNum.floatValue(), 0 ); |
| assertEquals( 1.0, mutNum.doubleValue(), 0 ); |
| assertEquals( 1L, mutNum.longValue() ); |
| } |
| |
| public void testToString() { |
| assertEquals("0", new MutableInt(0).toString()); |
| assertEquals("10", new MutableInt(10).toString()); |
| assertEquals("-123", new MutableInt(-123).toString()); |
| } |
| |
| } |