| /* |
| * 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.lang.enums; |
| |
| import java.net.URLClassLoader; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.commons.lang.SerializationUtils; |
| |
| /** |
| * Test cases for the {@link Enum} class. |
| * |
| * @author Apache Software Foundation |
| * @version $Id$ |
| */ |
| |
| public final class ValuedEnumTest extends TestCase { |
| |
| public ValuedEnumTest(String name) { |
| super(name); |
| } |
| |
| public void setUp() { |
| } |
| |
| public void testName() { |
| assertEquals("Red", ValuedColorEnum.RED.getName()); |
| assertEquals("Green", ValuedColorEnum.GREEN.getName()); |
| assertEquals("Blue", ValuedColorEnum.BLUE.getName()); |
| } |
| |
| public void testValue() { |
| assertEquals(1, ValuedColorEnum.RED.getValue()); |
| assertEquals(2, ValuedColorEnum.GREEN.getValue()); |
| assertEquals(3, ValuedColorEnum.BLUE.getValue()); |
| } |
| |
| public void testCompareTo() { |
| assertTrue(ValuedColorEnum.BLUE.compareTo(ValuedColorEnum.BLUE) == 0); |
| assertTrue(ValuedColorEnum.RED.compareTo(ValuedColorEnum.BLUE) < 0); |
| assertTrue(ValuedColorEnum.BLUE.compareTo(ValuedColorEnum.RED) > 0); |
| } |
| |
| public void testCompareTo_classloader_equal() throws Exception { |
| ClassLoader cl = ValuedColorEnum.class.getClassLoader(); |
| if (cl instanceof URLClassLoader) { |
| URLClassLoader urlCL = (URLClassLoader) cl; |
| URLClassLoader urlCL1 = new URLClassLoader(urlCL.getURLs(), null); |
| URLClassLoader urlCL2 = new URLClassLoader(urlCL.getURLs(), null); |
| Class otherEnumClass1 = urlCL1.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Class otherEnumClass2 = urlCL2.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Object blue1 = otherEnumClass1.getDeclaredField("BLUE").get(null); |
| Object blue2 = otherEnumClass2.getDeclaredField("BLUE").get(null); |
| assertTrue(((Comparable) blue1).compareTo(blue2) == 0); |
| } |
| } |
| |
| public void testCompareTo_classloader_different() throws Exception { |
| ClassLoader cl = ValuedColorEnum.class.getClassLoader(); |
| if (cl instanceof URLClassLoader) { |
| URLClassLoader urlCL = (URLClassLoader) cl; |
| URLClassLoader urlCL1 = new URLClassLoader(urlCL.getURLs(), null); |
| URLClassLoader urlCL2 = new URLClassLoader(urlCL.getURLs(), null); |
| Class otherEnumClass1 = urlCL1.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Class otherEnumClass2 = urlCL2.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Object blue1 = otherEnumClass1.getDeclaredField("BLUE").get(null); |
| Object blue2 = otherEnumClass2.getDeclaredField("RED").get(null); |
| assertTrue(((Comparable) blue1).compareTo(blue2) != 0); |
| } |
| } |
| |
| public void testCompareTo_nonEnumType() { |
| try { |
| ValuedColorEnum.BLUE.compareTo(new TotallyUnrelatedClass(ValuedColorEnum.BLUE.getValue())); |
| fail(); |
| } catch (ClassCastException ex) { |
| // expected |
| } |
| } |
| |
| public void testCompareTo_otherEnumType() { |
| try { |
| ValuedColorEnum.BLUE.compareTo(ValuedLanguageEnum.ENGLISH); |
| fail(); |
| } catch (ClassCastException ex) { |
| // expected |
| } |
| } |
| |
| public void testCompareTo_otherType() { |
| try { |
| ValuedColorEnum.BLUE.compareTo("Blue"); |
| fail(); |
| } catch (ClassCastException ex) { |
| // expected |
| } |
| } |
| |
| public void testCompareTo_null() { |
| try { |
| ValuedColorEnum.BLUE.compareTo(null); |
| fail(); |
| } catch (NullPointerException ex) { |
| // expected |
| } |
| } |
| |
| public void testEquals() { |
| assertSame(ValuedColorEnum.RED, ValuedColorEnum.RED); |
| assertSame(ValuedColorEnum.getEnum("Red"), ValuedColorEnum.RED); |
| } |
| |
| public void testEquals_classloader_equal() throws Exception { |
| ClassLoader cl = ValuedColorEnum.class.getClassLoader(); |
| if (cl instanceof URLClassLoader) { |
| URLClassLoader urlCL = (URLClassLoader) cl; |
| URLClassLoader urlCL1 = new URLClassLoader(urlCL.getURLs(), null); |
| URLClassLoader urlCL2 = new URLClassLoader(urlCL.getURLs(), null); |
| Class otherEnumClass1 = urlCL1.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Class otherEnumClass2 = urlCL2.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Object blue1 = otherEnumClass1.getDeclaredField("BLUE").get(null); |
| Object blue2 = otherEnumClass2.getDeclaredField("BLUE").get(null); |
| assertEquals(true, blue1.equals(blue2)); |
| } |
| } |
| |
| public void testEquals_classloader_different() throws Exception { |
| ClassLoader cl = ValuedColorEnum.class.getClassLoader(); |
| if (cl instanceof URLClassLoader) { |
| URLClassLoader urlCL = (URLClassLoader) cl; |
| URLClassLoader urlCL1 = new URLClassLoader(urlCL.getURLs(), null); |
| URLClassLoader urlCL2 = new URLClassLoader(urlCL.getURLs(), null); |
| Class otherEnumClass1 = urlCL1.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Class otherEnumClass2 = urlCL2.loadClass("org.apache.commons.lang.enums.ValuedColorEnum"); |
| Object blue1 = otherEnumClass1.getDeclaredField("BLUE").get(null); |
| Object blue2 = otherEnumClass2.getDeclaredField("RED").get(null); |
| assertEquals(false, blue1.equals(blue2)); |
| } |
| } |
| |
| public void testToString() { |
| String toString = ValuedColorEnum.RED.toString(); |
| assertEquals("ValuedColorEnum[Red=1]", toString); |
| assertSame(toString, ValuedColorEnum.RED.toString()); |
| } |
| |
| public void testIterator() { |
| Iterator it = ValuedColorEnum.iterator(); |
| assertSame(ValuedColorEnum.RED, it.next()); |
| assertSame(ValuedColorEnum.GREEN, it.next()); |
| assertSame(ValuedColorEnum.BLUE, it.next()); |
| } |
| |
| public void testList() { |
| List list = ValuedColorEnum.getEnumList(); |
| |
| assertNotNull(list); |
| |
| assertEquals( list.size(), |
| ValuedColorEnum.getEnumMap().keySet().size()); |
| |
| Iterator it = list.iterator(); |
| assertSame(ValuedColorEnum.RED, it.next()); |
| assertSame(ValuedColorEnum.GREEN, it.next()); |
| assertSame(ValuedColorEnum.BLUE, it.next()); |
| } |
| |
| public void testMap() { |
| Map map = ValuedColorEnum.getEnumMap(); |
| |
| assertNotNull(map); |
| |
| assertEquals( map.keySet().size(), |
| ValuedColorEnum.getEnumList().size()); |
| |
| assertTrue(map.containsValue(ValuedColorEnum.RED)); |
| assertTrue(map.containsValue(ValuedColorEnum.GREEN)); |
| assertTrue(map.containsValue(ValuedColorEnum.BLUE)); |
| assertSame(ValuedColorEnum.RED, map.get("Red")); |
| assertSame(ValuedColorEnum.GREEN, map.get("Green")); |
| assertSame(ValuedColorEnum.BLUE, map.get("Blue")); |
| } |
| |
| public void testGet() { |
| assertSame(ValuedColorEnum.RED, ValuedColorEnum.getEnum("Red")); |
| assertSame(ValuedColorEnum.GREEN, ValuedColorEnum.getEnum("Green")); |
| assertSame(ValuedColorEnum.BLUE, ValuedColorEnum.getEnum("Blue")); |
| assertSame(null, ValuedColorEnum.getEnum("Pink")); |
| } |
| |
| public void testGetValue() { |
| assertSame(ValuedColorEnum.RED, ValuedColorEnum.getEnum(1)); |
| assertSame(ValuedColorEnum.GREEN, ValuedColorEnum.getEnum(2)); |
| assertSame(ValuedColorEnum.BLUE, ValuedColorEnum.getEnum(3)); |
| assertSame(null, ValuedColorEnum.getEnum(4)); |
| } |
| |
| public void testSerialization() { |
| assertSame(ValuedColorEnum.RED, SerializationUtils.clone(ValuedColorEnum.RED)); |
| assertSame(ValuedColorEnum.GREEN, SerializationUtils.clone(ValuedColorEnum.GREEN)); |
| assertSame(ValuedColorEnum.BLUE, SerializationUtils.clone(ValuedColorEnum.BLUE)); |
| } |
| |
| //-----------------------------------------------------------------------s |
| static class TotallyUnrelatedClass { |
| private final int value; |
| |
| public TotallyUnrelatedClass(final int value) { |
| this.value = value; |
| } |
| |
| public int getValue() { |
| return value; |
| } |
| } |
| |
| } |