content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   * 
   * Project Info:  http://www.jfree.org/jcommon/index.html
   *
   * This library is free software; you can redistribute it and/or modify it 
   * under the terms of the GNU Lesser General Public License as published by 
   * the Free Software Foundation; either version 2.1 of the License, or 
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but 
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
   * USA.  
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
   * in the United States and other countries.]
   * 
   * ------------
   * LogTest.java
   * ------------
   * (C)opyright 2004, by Thomas Morgner and Contributors.
   *
   * Original Author:  Thomas Morgner;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * $Id: LogTest.java,v 1.4 2007/11/02 17:50:37 taqua Exp $
   *
   * Changes
   * -------
   * 21-Feb-2004 : Initial version
   * 07-Jun-2004 : Added JCommon header (DG);
   */
  
  package org.jfree.util.junit;
  
  import junit.framework.TestCase;
  import org.jfree.util.Log;
  import org.jfree.util.LogContext;
  import org.jfree.util.LogTarget;
  
  /**
   * A test for...
   */
  public class LogTest extends TestCase {
  
      private class LogTargetImpl implements LogTarget {
  
          /**
           * Default constructor.
           */
          public LogTargetImpl() {
              super();
          }
  
          /**
           * Logs a message at a specified log level.
           *
           * @param level  the log level.
           * @param message  the log message.
           */
          public void log(final int level, final Object message) {
              // nothing required.
          }
  
          /**
           * Logs a message at a specified log level.
           *
           * @param level  the log level.
           * @param message  the log message.
           * @param e  the exception
           */
          public void log(final int level, final Object message, final Exception e) {
              // nothing required.
          }
      }
  
      /**
       * Creates a new test.
       * 
       * @param s  the test name.
       */
      public LogTest(final String s) {
          super(s);
      }
  
      /**
       * Tests the addTarget() and removeTarget() methods.
       */
      public void testAddRemove() {
          final LogTarget a = new LogTargetImpl();
          final LogTarget b = new LogTargetImpl();
  
          Log.getInstance().removeTarget(a);
          Log.getInstance().removeTarget(b);
  
          Log.getInstance().addTarget(a);
          Log.getInstance().addTarget(b);
  
          Log.getInstance().removeTarget(a);
          Log.getInstance().removeTarget(b);
  
          Log.getInstance().addTarget(a);
          Log.getInstance().addTarget(b);
  
          Log.getInstance().removeTarget(b);
          Log.getInstance().removeTarget(a);
  
          Log.getInstance().getTargets();
      }
  
      /**
       * Tests the log message methods.
       */
      public void testLogMessage () {
          Log.debug("Test");
          Log.info("Test");
          Log.warn("Test");
          Log.error("Test");
      }
  
      /**
       * Tests the log context.
       */
      public void testLogContext() {
          final LogContext ctx = Log.createContext((String) null);
          assertEquals("Context = null", ctx, Log.createContext((String) null));
  
          final LogContext ctx2 = Log.createContext("Test");
          assertEquals("Context Test", ctx2, Log.createContext("Test"));
  
      }
  }
  