// Copyright (C) 2005 - 2012 Philip Aston
   // All rights reserved.
   //
   // This file is part of The Grinder software distribution. Refer to
   // the file LICENSE which is part of The Grinder distribution for
   // licensing details. The Grinder distribution is available on the
   // Internet at http://grinder.sourceforge.net/
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  // OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package net.grinder.console.swingui;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  
  import java.beans.PropertyChangeEvent;
  import java.beans.PropertyChangeListener;
  import java.io.Serializable;
  
  import javax.swing.SwingUtilities;
  
  import net.grinder.console.common.ErrorHandler;
  import net.grinder.testutility.RandomStubFactory;
  
  import org.junit.Test;
  
  
  /**
   * Unit tests for {@link SwingDispatcherFactoryImplementation}.
   *
   * @author Philip Aston
   */
  public class TestSwingDispatcherFactory {
  
    private Runnable m_voidRunnable = new Runnable() { public void run() {} };
  
    @Test public void testPropertyChangeListenerDispatch() throws Exception {
      final MyPropertyChangeListener listener = new MyPropertyChangeListener();
  
      final RandomStubFactory<ErrorHandler> errorHandlerStubFactory =
        RandomStubFactory.create(ErrorHandler.class);
      final SwingDispatcherFactory swingDispatcherFactory =
        new SwingDispatcherFactoryImplementation(
          errorHandlerStubFactory.getStub());
  
      final PropertyChangeListener swingDispatchedListener =
        swingDispatcherFactory.create(PropertyChangeListener.class, listener);
  
      final PropertyChangeEvent event =
        new PropertyChangeEvent(this, "my property", "before", "after");
  
      swingDispatchedListener.propertyChange(event);
  
      // Wait for a dummy event to be processed by the swing event
      // queue.
      SwingUtilities.invokeAndWait(m_voidRunnable);
  
      assertEquals(event, listener.getLastEvent());
      errorHandlerStubFactory.assertNoMoreCalls();
  
      final RuntimeException e = new RuntimeException("Problem");
      listener.setThrowException(e);
  
      swingDispatchedListener.propertyChange(event);
      SwingUtilities.invokeAndWait(m_voidRunnable);
  
      assertNull(listener.getLastEvent());
  
      errorHandlerStubFactory.assertSuccess("handleException", e);
      errorHandlerStubFactory.assertNoMoreCalls();
    }
  
    @Test public void testDelegateWithDuplicateInterfaces() throws Exception {
      final RandomStubFactory<ErrorHandler> errorHandlerStubFactory =
        RandomStubFactory.create(ErrorHandler.class);
      final SwingDispatcherFactory swingDispatcherFactory =
        new SwingDispatcherFactoryImplementation(
          errorHandlerStubFactory.getStub());
  
      final Object proxy =
        swingDispatcherFactory.create(PropertyChangeListener.class,
                                      new FooFoo());
  
      assertFalse(proxy instanceof Foo);
      assertTrue(proxy instanceof PropertyChangeListener);
      assertFalse(proxy instanceof Bah);
   }
 
   private static final class MyPropertyChangeListener
     implements PropertyChangeListener {
 
     private PropertyChangeEvent m_propertyChangeEvent;
     private RuntimeException m_nextException;
 
     public void propertyChange(PropertyChangeEvent event) {
       if (m_nextException != null) {
         try {
           throw m_nextException;
         }
         finally {
           m_nextException = null;
         }
       }
 
       m_propertyChangeEvent = event;
     }
 
     public PropertyChangeEvent getLastEvent() {
       try {
         return m_propertyChangeEvent;
       }
       finally {
         m_propertyChangeEvent = null;
       }
     }
 
     public void setThrowException(RuntimeException e) {
       m_nextException = e;
     }
   }
 
   public interface Foo extends PropertyChangeListener { }
 
   public static class FooBase { }
 
   public static class FooImpl extends FooBase implements Foo, Serializable {
     public void propertyChange(PropertyChangeEvent e) { }
   }
 
   private interface Bah { }
 
   public static abstract class Foo2 implements Foo { }
 
   public static class FooFoo extends Foo2 implements Bah {
     public void propertyChange(PropertyChangeEvent e) { }
   }
 }