| 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.lang.it; |
| 22 | |
| 23 | import junit.framework.Assert; |
| 24 | import junit.framework.TestCase; |
| 25 | import org.jdtaus.core.lang.ExceptionEventSource; |
| 26 | |
| 27 | /** |
| 28 | * Testcase for {@code ExceptionEventSource} implementations. |
| 29 | * |
| 30 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 31 | * @version $JDTAUS: ExceptionEventSourceTest.java 8743 2012-10-07 03:06:20Z schulte $ |
| 32 | */ |
| 33 | public abstract class ExceptionEventSourceTest extends TestCase |
| 34 | { |
| 35 | //--ExceptionEventSourceTest------------------------------------------------ |
| 36 | |
| 37 | /** Creates a new {@code ExceptionEventSourceTest} instance. */ |
| 38 | public ExceptionEventSourceTest() |
| 39 | { |
| 40 | super(); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Gets the {@code ExceptionEventSource} implementation tests are performed |
| 45 | * with. |
| 46 | * |
| 47 | * @return the {@code ExceptionEventSource} implementation tests are |
| 48 | * performed with. |
| 49 | */ |
| 50 | public abstract ExceptionEventSource getExceptionEventSource(); |
| 51 | |
| 52 | //------------------------------------------------ExceptionEventSourceTest-- |
| 53 | //--Tests------------------------------------------------------------------- |
| 54 | |
| 55 | /** |
| 56 | * Tests the |
| 57 | * {@link ExceptionEventSource#addExceptionListener(ExceptionListener)} and |
| 58 | * {@link ExceptionEventSource#removeExceptionListener(ExceptionListener)} |
| 59 | * methods to correctly handle {@code null} arguments by throwing a |
| 60 | * corresponding {@code NullPointerException}. |
| 61 | */ |
| 62 | public void testNullArguments() throws Exception |
| 63 | { |
| 64 | assert this.getExceptionEventSource() != null; |
| 65 | |
| 66 | try |
| 67 | { |
| 68 | this.getExceptionEventSource().addExceptionListener( null ); |
| 69 | throw new AssertionError(); |
| 70 | } |
| 71 | catch ( final NullPointerException e ) |
| 72 | { |
| 73 | Assert.assertNotNull( e.getMessage() ); |
| 74 | System.out.println( e.toString() ); |
| 75 | } |
| 76 | |
| 77 | try |
| 78 | { |
| 79 | this.getExceptionEventSource().removeExceptionListener( null ); |
| 80 | throw new AssertionError(); |
| 81 | } |
| 82 | catch ( final NullPointerException e ) |
| 83 | { |
| 84 | Assert.assertNotNull( e.getMessage() ); |
| 85 | System.out.println( e.toString() ); |
| 86 | } |
| 87 | |
| 88 | } |
| 89 | |
| 90 | //-------------------------------------------------------------------Tests-- |
| 91 | } |