| /* |
| * 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.openide.util; |
| |
| import org.netbeans.junit.NbTestCase; |
| import org.openide.util.Union2; |
| |
| /** |
| * @author Jesse Glick |
| */ |
| public class Union2Test extends NbTestCase { |
| |
| public Union2Test(String name) { |
| super(name); |
| } |
| |
| public void testUnions() throws Exception { |
| Union2<Integer,String> union = Union2.createFirst(3); |
| assertEquals(3, union.first().intValue()); |
| try { |
| union.second(); |
| fail(); |
| } catch (IllegalArgumentException e) {/*OK*/} |
| assertTrue(union.hasFirst()); |
| assertFalse(union.hasSecond()); |
| assertEquals("3", union.toString()); |
| assertTrue(union.equals(Union2.createFirst(3))); |
| assertFalse(union.equals(Union2.createFirst(4))); |
| assertEquals(union.hashCode(), Union2.createFirst(3).hashCode()); |
| assertEquals(union, NbCollectionsTest.cloneBySerialization(union)); |
| assertEquals(union, union.clone()); |
| int i = union.clone().first(); |
| assertEquals(3, i); |
| // Second type now. |
| union = Union2.createSecond("hello"); |
| try { |
| union.first(); |
| fail(); |
| } catch (IllegalArgumentException e) {/*OK*/} |
| assertEquals("hello", union.second()); |
| assertFalse(union.hasFirst()); |
| assertTrue(union.hasSecond()); |
| assertEquals("hello", union.toString()); |
| assertTrue(union.equals(Union2.createSecond("hello"))); |
| assertFalse(union.equals(Union2.createSecond("there"))); |
| assertEquals(union.hashCode(), Union2.createSecond("hello").hashCode()); |
| assertEquals(union, NbCollectionsTest.cloneBySerialization(union)); |
| assertEquals(union, union.clone()); |
| String s = union.clone().second(); |
| assertEquals("hello", s); |
| } |
| |
| public void testNulls() throws Exception { |
| Union2<Void,Boolean> union1 = Union2.createFirst(null); |
| assertEquals("null", union1.toString()); |
| assertEquals(0, union1.hashCode()); |
| assertTrue(union1.equals(null)); |
| assertFalse(union1.equals(Union2.createSecond(true))); |
| Union2<Boolean,Void> union2 = Union2.createSecond(null); |
| assertEquals("null", union2.toString()); |
| assertEquals(0, union2.hashCode()); |
| assertTrue(union2.equals(null)); |
| assertFalse(union2.equals(Union2.createFirst(true))); |
| } |
| |
| } |