| 1 | /* |
| 2 | * jDTAUS Core Test Suite |
| 3 | * Copyright (C) 2005 Christian Schulte |
| 4 | * <cs@schulte.it> |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | * |
| 20 | */ |
| 21 | package org.jdtaus.core.text.it; |
| 22 | |
| 23 | import junit.framework.Assert; |
| 24 | import junit.framework.TestCase; |
| 25 | import org.jdtaus.core.text.MessageEventSource; |
| 26 | import org.jdtaus.core.text.MessageListener; |
| 27 | |
| 28 | /** |
| 29 | * Testcase for {@code MessageEventSource} implementations. |
| 30 | * |
| 31 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 32 | * @version $JDTAUS: MessageEventSourceTest.java 8743 2012-10-07 03:06:20Z schulte $ |
| 33 | */ |
| 34 | public class MessageEventSourceTest extends TestCase |
| 35 | { |
| 36 | //--MessageEventSourceTest-------------------------------------------------- |
| 37 | |
| 38 | /** Implementation to test. */ |
| 39 | private MessageEventSource source; |
| 40 | |
| 41 | /** Creates a new {@code MessageEventSourceTest} instance. */ |
| 42 | public MessageEventSourceTest() |
| 43 | { |
| 44 | super(); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Gets the {@code MessageEventSource} implementation tests are performed |
| 49 | * with. |
| 50 | * |
| 51 | * @return the {@code MessageEventSource} implementation tests are |
| 52 | * performed with. |
| 53 | */ |
| 54 | public MessageEventSource getMessageEventSource() |
| 55 | { |
| 56 | return this.source; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Sets the {@code MessageEventSource} implementation tests are performed |
| 61 | * with. |
| 62 | * |
| 63 | * @param value the {@code MessageEventSource} implementation to perform |
| 64 | * tests with. |
| 65 | */ |
| 66 | public void setMessageEventSource( final MessageEventSource value ) |
| 67 | { |
| 68 | this.source = value; |
| 69 | } |
| 70 | |
| 71 | //--------------------------------------------------MessageEventSourceTest-- |
| 72 | //--Tests------------------------------------------------------------------- |
| 73 | |
| 74 | /** |
| 75 | * Tests the {@link MessageEventSource#addMessageListener(MessageListener)} |
| 76 | * method to handle {@code null} listener values correctly by throwing a |
| 77 | * corresponding {@code NullPointerException}. |
| 78 | */ |
| 79 | public void testAddMessageListener() throws Exception |
| 80 | { |
| 81 | assert this.getMessageEventSource() != null; |
| 82 | |
| 83 | try |
| 84 | { |
| 85 | this.getMessageEventSource().addMessageListener( null ); |
| 86 | throw new AssertionError(); |
| 87 | } |
| 88 | catch ( final NullPointerException e ) |
| 89 | { |
| 90 | Assert.assertNotNull( e.getMessage() ); |
| 91 | System.out.println( e.toString() ); |
| 92 | } |
| 93 | |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Tests the |
| 98 | * {@link MessageEventSource#removeMessageListener(MessageListener)} |
| 99 | * method to handle {@code null} listener values correctly by throwing a |
| 100 | * corresponding {@code NullPointerException}. |
| 101 | */ |
| 102 | public void testRemoveMessageListener() throws Exception |
| 103 | { |
| 104 | assert this.getMessageEventSource() != null; |
| 105 | |
| 106 | try |
| 107 | { |
| 108 | this.getMessageEventSource().removeMessageListener( null ); |
| 109 | throw new AssertionError(); |
| 110 | } |
| 111 | catch ( final NullPointerException e ) |
| 112 | { |
| 113 | Assert.assertNotNull( e.getMessage() ); |
| 114 | System.out.println( e.toString() ); |
| 115 | } |
| 116 | |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Tests the {@link MessageEventSource#getMessageListeners()} method to not |
| 121 | * return a {@code null} value instead of an empty array when no listeners |
| 122 | * are registered. |
| 123 | */ |
| 124 | public void testGetMessageListeners() throws Exception |
| 125 | { |
| 126 | assert this.getMessageEventSource() != null; |
| 127 | |
| 128 | Assert.assertNotNull( |
| 129 | this.getMessageEventSource().getMessageListeners() ); |
| 130 | |
| 131 | } |
| 132 | |
| 133 | //-------------------------------------------------------------------Tests-- |
| 134 | } |