| 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.spi.it; |
| 22 | |
| 23 | import junit.framework.Assert; |
| 24 | import org.jdtaus.core.lang.ExceptionEvent; |
| 25 | import org.jdtaus.core.lang.ExceptionEventSource; |
| 26 | import org.jdtaus.core.lang.ExceptionListener; |
| 27 | import org.jdtaus.core.lang.it.ExceptionEventSourceTest; |
| 28 | import org.jdtaus.core.lang.spi.Executor; |
| 29 | |
| 30 | /** |
| 31 | * Testcase for {@code Executor} implementations. |
| 32 | * |
| 33 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 34 | * @version $JDTAUS: ExecutorTest.java 8743 2012-10-07 03:06:20Z schulte $ |
| 35 | */ |
| 36 | public abstract class ExecutorTest extends ExceptionEventSourceTest |
| 37 | { |
| 38 | //--ExceptionEventSourceTest------------------------------------------------ |
| 39 | |
| 40 | /** |
| 41 | * {@inheritDoc} |
| 42 | * @see #getExecutor() |
| 43 | */ |
| 44 | public final ExceptionEventSource getExceptionEventSource() |
| 45 | { |
| 46 | return this.getExecutor(); |
| 47 | } |
| 48 | |
| 49 | //------------------------------------------------ExceptionEventSourceTest-- |
| 50 | //--ExecutorTest------------------------------------------------------------ |
| 51 | |
| 52 | /** Creates a new {@code ExecutorTest} instance. */ |
| 53 | public ExecutorTest() |
| 54 | { |
| 55 | super(); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Gets the {@code Executor} implementation tests are performed with. |
| 60 | * |
| 61 | * @return the {@code Executor} implementation tests are performed with. |
| 62 | */ |
| 63 | public abstract Executor getExecutor(); |
| 64 | |
| 65 | //------------------------------------------------------------ExecutorTest-- |
| 66 | //--Tests------------------------------------------------------------------- |
| 67 | |
| 68 | /** Exception expected to be reported. */ |
| 69 | public static final class ExecutionException extends RuntimeException |
| 70 | { |
| 71 | |
| 72 | public ExecutionException() |
| 73 | { |
| 74 | super(); |
| 75 | } |
| 76 | |
| 77 | } |
| 78 | |
| 79 | /** {@code Runnable} throwing {@code ExecutionException}. */ |
| 80 | public static final Runnable runnable = new Runnable() |
| 81 | { |
| 82 | |
| 83 | public void run() |
| 84 | { |
| 85 | throw new ExecutionException(); |
| 86 | } |
| 87 | |
| 88 | }; |
| 89 | |
| 90 | /** {@code ExceptionListener} providing the last reported event. */ |
| 91 | public static final class TestListener implements ExceptionListener |
| 92 | { |
| 93 | |
| 94 | /** The last reported event. */ |
| 95 | private ExceptionEvent event; |
| 96 | |
| 97 | /** Creates a new {@code TestListener} instance. */ |
| 98 | public TestListener() |
| 99 | { |
| 100 | super(); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Gets the last reported event. |
| 105 | * |
| 106 | * @return the last reported event. |
| 107 | */ |
| 108 | public ExceptionEvent getEvent() |
| 109 | { |
| 110 | return this.event; |
| 111 | } |
| 112 | |
| 113 | public void onException( final ExceptionEvent event ) |
| 114 | { |
| 115 | this.event = event; |
| 116 | } |
| 117 | |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Tests the {@link Executor#executeAsynchronously(Runnable)} method to |
| 122 | * handle {@code null} arguments correctly by throwing a corresponding |
| 123 | * {@code NullPointerException}. |
| 124 | */ |
| 125 | public void testNullArguments() throws Exception |
| 126 | { |
| 127 | super.testNullArguments(); |
| 128 | |
| 129 | assert this.getExecutor() != null; |
| 130 | |
| 131 | try |
| 132 | { |
| 133 | this.getExecutor().executeAsynchronously( null ); |
| 134 | throw new AssertionError(); |
| 135 | } |
| 136 | catch ( final NullPointerException e ) |
| 137 | { |
| 138 | Assert.assertNotNull( e.getMessage() ); |
| 139 | System.out.println( e.toString() ); |
| 140 | } |
| 141 | |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Tests the {@link Executor#executeAsynchronously(Runnable)} method to |
| 146 | * report any exceptions thrown during execution. |
| 147 | */ |
| 148 | public void testOnException() throws Exception |
| 149 | { |
| 150 | assert this.getExecutor() != null; |
| 151 | |
| 152 | final TestListener listener = new TestListener(); |
| 153 | this.getExecutor().addExceptionListener( listener ); |
| 154 | this.getExecutor().executeAsynchronously( runnable ); |
| 155 | |
| 156 | // Wait 5 seconds and test the listener. |
| 157 | Thread.sleep( 5000L ); |
| 158 | |
| 159 | Assert.assertTrue( listener.getEvent(). |
| 160 | getException() instanceof ExecutionException ); |
| 161 | |
| 162 | } |
| 163 | |
| 164 | //-------------------------------------------------------------------Tests-- |
| 165 | } |