001/* 002 * jDTAUS Core Test Suite 003 * Copyright (C) 2005 Christian Schulte 004 * <cs@schulte.it> 005 * 006 * This library is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 2.1 of the License, or any later version. 010 * 011 * This library is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with this library; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 019 * 020 */ 021package org.jdtaus.core.text.it; 022 023import junit.framework.Assert; 024import junit.framework.TestCase; 025import org.jdtaus.core.text.MessageEventSource; 026import org.jdtaus.core.text.MessageListener; 027 028/** 029 * Testcase for {@code MessageEventSource} implementations. 030 * 031 * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> 032 * @version $JDTAUS: MessageEventSourceTest.java 8692 2012-10-01 14:16:57Z schulte $ 033 */ 034public class MessageEventSourceTest extends TestCase 035{ 036 //--MessageEventSourceTest-------------------------------------------------- 037 038 /** Implementation to test. */ 039 private MessageEventSource source; 040 041 /** 042 * Gets the {@code MessageEventSource} implementation tests are performed 043 * with. 044 * 045 * @return the {@code MessageEventSource} implementation tests are 046 * performed with. 047 */ 048 public MessageEventSource getMessageEventSource() 049 { 050 return this.source; 051 } 052 053 /** 054 * Sets the {@code MessageEventSource} implementation tests are performed 055 * with. 056 * 057 * @param value the {@code MessageEventSource} implementation to perform 058 * tests with. 059 */ 060 public void setMessageEventSource( final MessageEventSource value ) 061 { 062 this.source = value; 063 } 064 065 //--------------------------------------------------MessageEventSourceTest-- 066 //--Tests------------------------------------------------------------------- 067 068 /** 069 * Tests the {@link MessageEventSource#addMessageListener(MessageListener)} 070 * method to handle {@code null} listener values correctly by throwing a 071 * corresponding {@code NullPointerException}. 072 */ 073 public void testAddMessageListener() throws Exception 074 { 075 assert this.getMessageEventSource() != null; 076 077 try 078 { 079 this.getMessageEventSource().addMessageListener( null ); 080 throw new AssertionError(); 081 } 082 catch ( NullPointerException e ) 083 { 084 Assert.assertNotNull( e.getMessage() ); 085 System.out.println( e.toString() ); 086 } 087 088 } 089 090 /** 091 * Tests the 092 * {@link MessageEventSource#removeMessageListener(MessageListener)} 093 * method to handle {@code null} listener values correctly by throwing a 094 * corresponding {@code NullPointerException}. 095 */ 096 public void testRemoveMessageListener() throws Exception 097 { 098 assert this.getMessageEventSource() != null; 099 100 try 101 { 102 this.getMessageEventSource().removeMessageListener( null ); 103 throw new AssertionError(); 104 } 105 catch ( NullPointerException e ) 106 { 107 Assert.assertNotNull( e.getMessage() ); 108 System.out.println( e.toString() ); 109 } 110 111 } 112 113 /** 114 * Tests the {@link MessageEventSource#getMessageListeners()} method to not 115 * return a {@code null} value instead of an empty array when no listeners 116 * are registered. 117 */ 118 public void testGetMessageListeners() throws Exception 119 { 120 assert this.getMessageEventSource() != null; 121 122 Assert.assertNotNull( 123 this.getMessageEventSource().getMessageListeners() ); 124 125 } 126 127 //-------------------------------------------------------------------Tests-- 128}