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From mloe...@apache.org
Subject svn commit: r417685 [7/15] - in /incubator/harmony/enhanced/classlib/trunk/modules/beans: ./ make/ src/test/java/org/apache/harmony/beans/tests/java/beans/ src/test/java/org/apache/harmony/beans/tests/java/beans/auxiliary/ src/test/java/org/apache/harm...
Date Wed, 28 Jun 2006 07:22:23 GMT
Modified: incubator/harmony/enhanced/classlib/trunk/modules/beans/src/test/java/org/apache/harmony/beans/tests/java/beans/PropertyChangeSupportTest.java
URL: http://svn.apache.org/viewvc/incubator/harmony/enhanced/classlib/trunk/modules/beans/src/test/java/org/apache/harmony/beans/tests/java/beans/PropertyChangeSupportTest.java?rev=417685&r1=417684&r2=417685&view=diff
==============================================================================
--- incubator/harmony/enhanced/classlib/trunk/modules/beans/src/test/java/org/apache/harmony/beans/tests/java/beans/PropertyChangeSupportTest.java (original)
+++ incubator/harmony/enhanced/classlib/trunk/modules/beans/src/test/java/org/apache/harmony/beans/tests/java/beans/PropertyChangeSupportTest.java Wed Jun 28 00:22:12 2006
@@ -26,1339 +26,1333 @@
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 
-import java.util.Arrays;
-
 import junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
 import junit.textui.TestRunner;
 import tests.util.SerializationTester;
 
-import org.apache.harmony.beans.tests.java.beans.auxiliary.SerializablePropertyChangeListener;
-import org.apache.harmony.beans.tests.java.beans.auxiliary.NonSerializablePropertyChangeListener;
+import org.apache.harmony.beans.tests.support.NonSerializablePropertyChangeListener;
+import org.apache.harmony.beans.tests.support.SerializablePropertyChangeListener;
 
 /**
  * Test class PropertyeChangeSupport.
  */
 public class PropertyChangeSupportTest extends TestCase {
 
-	/*
-	 * Test the constructor with a normal parameter.
-	 */
-	public void testConstructor_Normal() {
-		Object src = new Object();
-		new PropertyChangeSupport(src);
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener) with a
-	 * normal listener parameter.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		PropertyChangeListener l4 = new PropertyChangeListenerProxy("myProp",
-				l3);
-
-		sup.addPropertyChangeListener(l1);
-
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-		assertSame(l1, sup.getPropertyChangeListeners()[0]);
-
-		sup.removePropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-		assertSame(l2, ((PropertyChangeListenerProxy) sup
-				.getPropertyChangeListeners()[0]).getListener());
-		assertNotSame(l3, sup.getPropertyChangeListeners()[0]);
-
-		sup.removePropertyChangeListener(sup.getPropertyChangeListeners()[0]);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-		sup.addPropertyChangeListener(l4);
-		assertNotSame(l3, ((PropertyChangeListenerProxy) sup
-				.getPropertyChangeListeners()[0]).getListener());
-		assertNotSame(l4, sup.getPropertyChangeListeners()[0]);
-		assertSame(
-				l2,
-				((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) sup
-						.getPropertyChangeListeners()[0]).getListener())
-						.getListener());
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener) with a
-	 * null listener parameter.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_Null() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-
-		sup.addPropertyChangeListener(null);
-		PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		assertSame(null, listeners[0]);
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener) with a
-	 * listener parameter that has already been registered.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_Duplicate() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l1);
-
-		PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
-		assertEquals(2, listeners.length);
-		assertSame(l1, listeners[0]);
-		assertSame(l1, listeners[1]);
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener,
-	 * String) with a normal listener parameter and property name parameter.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_String_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-
-		sup.addPropertyChangeListener("myProp2", l1);
-
-		PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		assertSame(l1, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-
-		sup.removePropertyChangeListener(listeners[0]);
-		sup.addPropertyChangeListener("myProp3", l3);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		// pay attention to this recursive proxy
-		assertNotSame(l3, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-		assertNotSame(l3, ((PropertyChangeListenerProxy) listeners[0]));
-		assertSame(
-				l2,
-				((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) listeners[0])
-						.getListener()).getListener());
-
-		listeners = sup.getPropertyChangeListeners("myProp");
-		assertEquals(0, listeners.length);
-
-		listeners = sup.getPropertyChangeListeners("myProp3");
-		assertEquals(1, listeners.length);
-		// pay attention to this recursive proxy
-		assertNotSame(l3, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-		assertNotSame(l3, ((PropertyChangeListenerProxy) listeners[0]));
-		assertSame(l2, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener,
-	 * String) with a null listener parameter and a normal property name
-	 * parameter.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_String_NullListener() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-
-		sup.addPropertyChangeListener("myProp", null);
-
-		PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		assertSame(null, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				null);
-		assertEquals(1, listeners.length);
-		assertSame(null, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener,
-	 * String) with a normal listener parameter and a null property name
-	 * parameter.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_String_NullProperty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-
-		try {
-			sup.addPropertyChangeListener(null, l1);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-
-		try {
-			sup.addPropertyChangeListener(null, l3);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-
-		l3 = new PropertyChangeListenerProxy(null, l2);
-		try {
-			sup.addPropertyChangeListener(l3);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method addPropertyChangeListener(PropertyeChangeListener,
-	 * String) with a listener parameter that has already been registered for
-	 * the named property.
-	 */
-	public void testAddPropertyChangeListener_PropertyChangeListener_String_Duplicate() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-
-		sup.addPropertyChangeListener("myProp2", l1);
-		sup.addPropertyChangeListener("myProp2", l1);
-
-		PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
-		assertEquals(2, listeners.length);
-		assertSame(l1, ((PropertyChangeListenerProxy) listeners[0])
-				.getListener());
-		assertSame(l1, ((PropertyChangeListenerProxy) listeners[1])
-				.getListener());
-
-		sup.removePropertyChangeListener(listeners[0]);
-		sup.removePropertyChangeListener(listeners[1]);
-		sup.addPropertyChangeListener("myProp3", l3);
-		sup.addPropertyChangeListener("myProp3", l3);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(2, listeners.length);
-		assertSame(
-				l2,
-				((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) listeners[0])
-						.getListener()).getListener());
-		assertSame(
-				l2,
-				((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) listeners[1])
-						.getListener()).getListener());
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener)
-	 * with a normal listener parameter.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-
-		sup.addPropertyChangeListener(l1);
-
-		PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		sup.removePropertyChangeListener(l1);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(0, listeners.length);
-		sup.addPropertyChangeListener(l3);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		sup.removePropertyChangeListener(l3);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(0, listeners.length);
-		sup.addPropertyChangeListener("myProp3", l2);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		sup.removePropertyChangeListener(l2);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(1, listeners.length);
-		sup.removePropertyChangeListener(listeners[0]);
-		listeners = sup.getPropertyChangeListeners();
-		assertEquals(0, listeners.length);
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener)
-	 * with a null listener parameter.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_Null() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		sup.removePropertyChangeListener(null);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-		sup.addPropertyChangeListener(null);
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-		sup.removePropertyChangeListener(null);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener)
-	 * with a non-registered listener parameter.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_NonRegistered() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		sup.removePropertyChangeListener(new MockPropertyChangeListener());
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener,
-	 * String) when a listener for all properties has been registered.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_String_AllRegistered() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-
-		sup.addPropertyChangeListener(l1);
-
-		sup.removePropertyChangeListener("myProp", l1);
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-		assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
-		sup.firePropertyChange("myProp", oldValue, newValue);
-		l1.assertCalled();
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener,
-	 * String) when a listener for the named property has been registered.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_String_PropertyRegistered() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		sup.addPropertyChangeListener("myProp", l1);
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-
-		sup.removePropertyChangeListener("myProp", l1);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-		assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
-
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		sup.addPropertyChangeListener(l3);
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-		sup.removePropertyChangeListener("myProp", l2);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-		assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener,
-	 * String) with a non-registered listener parameter.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_String_NonRegistered() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		sup.removePropertyChangeListener("myProp",
-				new MockPropertyChangeListener());
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener,
-	 * String) with a null listener parameter.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_String_NullListener() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-
-		sup.removePropertyChangeListener("myProp", null);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-		sup.addPropertyChangeListener("myProp", null);
-		assertEquals(1, sup.getPropertyChangeListeners().length);
-		sup.removePropertyChangeListener("myProp", null);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-	}
-
-	/*
-	 * Test the method removePropertyChangeListener(PropertyeChangeListener,
-	 * String) with a null property name parameter.
-	 */
-	public void testRemovePropertyChangeListener_PropertyChangeListener_String_NullProperty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		// sup
-		// .removePropertyChangeListener(null,
-		// new MockPropertyChangeListener());
-		sup.addPropertyChangeListener("myProp",
-				new MockPropertyChangeListener());
-		try {
-			sup.removePropertyChangeListener(null,
-					new MockPropertyChangeListener());
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method getPropertyChangeListeners() when there is one listener
-	 * for all properties and one for a named property.
-	 */
-	public void testGetPropertyChangeListener_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		PropertyChangeListener l4 = new MockPropertyChangeListener();
-
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp2", l4);
-
-		assertEquals(3, sup.getPropertyChangeListeners().length);
-	}
-
-	/*
-	 * Test the method getPropertyChangeListeners() when there is no listeners.
-	 */
-	public void testGetPropertyChangeListener_Empty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		assertEquals(0, sup.getPropertyChangeListeners().length);
-	}
-
-	/*
-	 * Test the method getPropertyChangeListeners(String) when there is one
-	 * listener for all properties and one for the named property and a third
-	 * for another named property.
-	 */
-	public void testGetPropertyChangeListener_String_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		PropertyChangeListener l4 = new MockPropertyChangeListener();
-
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp2", l4);
-
-		assertEquals(1, sup.getPropertyChangeListeners("myProp").length);
-		assertSame(l2, sup.getPropertyChangeListeners("myProp")[0]);
-		sup.addPropertyChangeListener("myProp",
-				new MockPropertyChangeListener());
-		assertEquals(2, sup.getPropertyChangeListeners("myProp").length);
-	}
-
-	/*
-	 * Test the method getPropertyChangeListeners(String) when there is no
-	 * listener for the named property but there is one for another named
-	 * property.
-	 */
-	public void testGetPropertyChangeListener_String_None() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp2",
-				l2);
-		PropertyChangeListener l4 = new MockPropertyChangeListener();
-
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp3", l4);
-
-		assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
-	}
-
-	/*
-	 * Test the method getPropertyChangeListeners(String) with a null parameter.
-	 */
-	public void testGetPropertyChangeListener_String_Null() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		// sup.getPropertyChangeListeners(null);
-		sup.addPropertyChangeListener("myProp",
-				new MockPropertyChangeListener());
-		try {
-			sup.getPropertyChangeListeners(null);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method hasListeners(String) when there is one listener for all
-	 * properties.
-	 */
-	public void testHasListener_AllRegistered() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-
-		assertFalse(sup.hasListeners("myProp"));
-		sup.addPropertyChangeListener(l1);
-		assertTrue(sup.hasListeners("myProp"));
-		sup.removePropertyChangeListener(l1);
-		assertFalse(sup.hasListeners("myProp"));
-		sup.addPropertyChangeListener(l3);
-		assertTrue(sup.hasListeners("myProp"));
-	}
-
-	/*
-	 * Test the method hasListeners(String) when there is one listener for the
-	 * named property.
-	 */
-	public void testHasListener_PropertyRegistered() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		PropertyChangeListener l2 = new MockPropertyChangeListener();
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp2",
-				l2);
-
-		assertFalse(sup.hasListeners("myProp"));
-		sup.addPropertyChangeListener("myProP", l1);
-		assertFalse(sup.hasListeners("myProp"));
-		sup.addPropertyChangeListener("myProp", l2);
-		assertTrue(sup.hasListeners("myProp"));
-		sup.removePropertyChangeListener("myProp", l2);
-		assertFalse(sup.hasListeners("myProp"));
-		sup.addPropertyChangeListener("myProp", l3);
-		assertFalse(sup.hasListeners("myProp"));
-	}
-
-	/*
-	 * Test the method hasListeners(String) when there is no listeners.
-	 */
-	public void testHasListener_None() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		assertFalse(sup.hasListeners("myProp"));
-	}
-
-	/*
-	 * Test the method hasListeners(String) with a null parameter.
-	 */
-	public void testHasListener_Null() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		// assertFalse(sup.hasListeners(null));
-
-		PropertyChangeListener l1 = new MockPropertyChangeListener();
-		sup.addPropertyChangeListener("myProP", l1);
-		try {
-			sup.hasListeners(null);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with normal
-	 * parameters, when there is no listeners.
-	 */
-	public void testFirePropertyChange_Object_NoListeners() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		sup.firePropertyChange("myProp", new Object(), new Object());
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with normal
-	 * parameters, when there is a listener for all properties and another for
-	 * the named property.
-	 */
-	public void testFirePropertyChange_Object_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue, newValue);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with equal old
-	 * and new non-null values, when there is a listener for all properties and
-	 * another for the named property.
-	 */
-	public void testFirePropertyChange_Object_EqualValues() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = newValue;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue, newValue);
-		l1.assertNotCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with null old
-	 * and new values, when there is a listener for all properties and another
-	 * for the named property.
-	 */
-	public void testFirePropertyChange_Object_NullValues() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = null;
-		Object oldValue = null;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue, newValue);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with a
-	 * non-null old value and a null new value, when there is a listener for all
-	 * properties and another for the named property.
-	 */
-	public void testFirePropertyChange_Object_NullNewValue() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = null;
-		Object oldValue = new Object();
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue, newValue);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with a null
-	 * old value and a non-null new value, when there is a listener for all
-	 * properties and another for the named property.
-	 */
-	public void testFirePropertyChange_Object_NullOldValue() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = null;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue, newValue);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) with a null
-	 * property name parameter.
-	 */
-	public void testFirePropertyChange_Object_NullProperty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(null, oldValue, newValue);
-		l1.assertCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, Object, Object) when a null
-	 * listener has been registered.
-	 */
-	public void testFirePropertyChange_Object_NullListener() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-
-		sup.addPropertyChangeListener(null);
-		try {
-			sup.firePropertyChange("myProp", oldValue, newValue);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) with normal
-	 * parameters, when there is a listener for all properties and another for
-	 * the named property.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
-				oldValue, newValue);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(event);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) with equal old
-	 * and new non-null values, when there is a listener for all properties and
-	 * another for the named property.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_EqualValues() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = newValue;
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
-				oldValue, newValue);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(event);
-		l1.assertNotCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) with null old and
-	 * new values, when there is a listener for all properties and another for
-	 * the named property.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_NullValues() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = null;
-		Object oldValue = null;
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
-				oldValue, newValue);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(event);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) with a non-null
-	 * old value and a null new value, when there is a listener for all
-	 * properties and another for the named property.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_NullNewValue() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = null;
-		Object oldValue = new Object();
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
-				oldValue, newValue);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(event);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) with a null old
-	 * value and a non-null new value, when there is a listener for all
-	 * properties and another for the named property.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_NullOldValue() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = null;
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
-				oldValue, newValue);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(event);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) with a null
-	 * property name parameter.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_NullProperty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, null,
-				oldValue, newValue);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
-				null, oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
-				null, oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
-				null, oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(event);
-		l1.assertCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) when null.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_Null() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-
-		try {
-			sup.firePropertyChange(null);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method firePropertyChange(PropertyChangeEvent) when a null
-	 * listener has been registered.
-	 */
-	public void testFirePropertyChange_PropertyChangeEvent_NullListener() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = new Object();
-		Object oldValue = new Object();
-		Object src2 = new Object();
-		PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
-				oldValue, newValue);
-
-		sup.addPropertyChangeListener(null);
-		try {
-			sup.firePropertyChange(event);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, boolean, boolean) with normal
-	 * parameters, when there is a listener for all properties and another for
-	 * the named property.
-	 */
-	public void testFirePropertyChange_Boolean_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = Boolean.TRUE;
-		Object oldValue = Boolean.FALSE;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", false, true);
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, boolean, boolean) with equal
-	 * old and new non-null values, when there is a listener for all properties
-	 * and another for the named property.
-	 */
-	public void testFirePropertyChange_Boolean_EqualValues() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = Boolean.TRUE;
-		Object oldValue = newValue;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", true, true);
-		l1.assertNotCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, boolean, boolean) with a null
-	 * property name parameter.
-	 */
-	public void testFirePropertyChange_Boolean_NullProperty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Object newValue = Boolean.TRUE;
-		Object oldValue = Boolean.FALSE;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(null, false, true);
-		l1.assertCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, boolean, boolean) when a null
-	 * listener has been registered.
-	 */
-	public void testFirePropertyChange_Boolean_NullListener() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-
-		sup.addPropertyChangeListener(null);
-		try {
-			sup.firePropertyChange("myProp", true, false);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, int, int) with normal
-	 * parameters, when there is a listener for all properties and another for
-	 * the named property.
-	 */
-	public void testFirePropertyChange_Int_Normal() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Integer newValue = new Integer(1);
-		Integer oldValue = new Integer(2);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue.intValue(), newValue
-				.intValue());
-		l1.assertCalled();
-		l2.assertCalled();
-		l4.assertCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, int, int) with equal old and
-	 * new non-null values, when there is a listener for all properties and
-	 * another for the named property.
-	 */
-	public void testFirePropertyChange_Int_EqualValues() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Integer newValue = new Integer(1);
-		Integer oldValue = newValue;
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange("myProp", oldValue.intValue(), newValue
-				.intValue());
-		l1.assertNotCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, int, int) with a null property
-	 * name parameter.
-	 */
-	public void testFirePropertyChange_Int_NullProperty() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		Integer newValue = new Integer(1);
-		Integer oldValue = new Integer(2);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
-				l2);
-		MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
-				null, oldValue, newValue);
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener(l3);
-		sup.addPropertyChangeListener("myProp", l4);
-
-		sup.firePropertyChange(null, oldValue.intValue(), newValue.intValue());
-		l1.assertCalled();
-		l2.assertNotCalled();
-		l4.assertNotCalled();
-	}
-
-	/*
-	 * Test the method firePropertyChange(String, int, int) when a null listener
-	 * has been registered.
-	 */
-	public void testFirePropertyChange_Int_NullListener() {
-		Object src = new Object();
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-
-		sup.addPropertyChangeListener(null);
-		try {
-			sup.firePropertyChange("myProp", 1, 2);
-			fail("Should throw NullPointerException!");
-		} catch (NullPointerException ex) {
-			// expected
-		}
-	}
-
-	/*
-	 * Test serialization/deserialization.
-	 */
-	public void testSerialization() throws Exception {
-		Object src = "PropertyChangeSupportSerializationTest";
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeSupport sup2 = new PropertyChangeSupport(src);
-		Integer newValue = new Integer(1);
-		Integer oldValue = new Integer(2);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener2 l2 = new MockPropertyChangeListener2();
-
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener("myProp", l1);
-		sup.addPropertyChangeListener("myProp", l2);
-		sup2.addPropertyChangeListener(l1);
-		sup2.addPropertyChangeListener("myProp", l1);
-
-		PropertyChangeSupport deSup = (PropertyChangeSupport) SerializationTester
-				.getDeserilizedObject(sup);
-		assertEquals(sup2.getPropertyChangeListeners()[0], deSup
-				.getPropertyChangeListeners()[0]);
-		assertEquals(((PropertyChangeListenerProxy) sup2
-				.getPropertyChangeListeners()[1]).getListener(),
-				((PropertyChangeListenerProxy) deSup
-						.getPropertyChangeListeners()[1]).getListener());
-	}
-
-	/*
-	 * Test serialization/deserialization compatibility
-	 */
-	public void testSerializationCompatibility() throws Exception {
-		Object src = "PropertyChangeSupportSerializationTest";
-		PropertyChangeSupport sup = new PropertyChangeSupport(src);
-		PropertyChangeSupport sup2 = new PropertyChangeSupport(src);
-		Integer newValue = new Integer(1);
-		Integer oldValue = new Integer(2);
-
-		MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
-				"myProp", oldValue, newValue);
-		MockPropertyChangeListener2 l2 = new MockPropertyChangeListener2();
-
-		sup.addPropertyChangeListener(l1);
-		sup.addPropertyChangeListener("myProp", l1);
-		sup.addPropertyChangeListener("myProp", l2);
-		sup2.addPropertyChangeListener(l1);
-		sup2.addPropertyChangeListener("myProp", l1);
-
-		PropertyChangeSupport deSup = (PropertyChangeSupport) SerializationTester
-				.readObject(sup,
-						"serialization/java/beans/PropertyChangeSupport.ser");
-		assertEquals(sup2.getPropertyChangeListeners()[0], deSup
-				.getPropertyChangeListeners()[0]);
-		assertEquals(((PropertyChangeListenerProxy) sup2
-				.getPropertyChangeListeners()[1]).getListener(),
-				((PropertyChangeListenerProxy) deSup
-						.getPropertyChangeListeners()[1]).getListener());
-	}
-
-	/*
-	 * Mock PropertyChangeListener.
-	 */
-	static class MockPropertyChangeListener implements PropertyChangeListener,
-			Serializable {
-
-		private transient Object expSrc;
-
-		private String expPropName;
-
-		private transient Object expOldValue;
-
-		private transient Object expNewValue;
-
-		private transient PropertyChangeEvent event;
-
-		private transient boolean called = false;
-
-		public MockPropertyChangeListener() {
-		}
-
-		public MockPropertyChangeListener(Object src, String propName,
-				Object oldValue, Object newValue) {
-			this.expSrc = src;
-			this.expPropName = propName;
-			this.expOldValue = oldValue;
-			this.expNewValue = newValue;
-		}
-
-		public void setAll(Object src, String propName, Object oldValue,
-				Object newValue) {
-			this.expSrc = src;
-			this.expPropName = propName;
-			this.expOldValue = oldValue;
-			this.expNewValue = newValue;
-		}
-
-		public void propertyChange(PropertyChangeEvent event) {
-			this.event = event;
-		}
-
-		public void assertCalled() {
-			assertSame(expSrc, event.getSource());
-			assertEquals(expPropName, event.getPropertyName());
-			assertEquals(expOldValue, event.getOldValue());
-			assertEquals(expNewValue, event.getNewValue());
-			assertNull(event.getPropagationId());
-		}
-
-		public void assertNotCalled() {
-			assertNull(event);
-			assertFalse(called);
-		}
-
-		public boolean equals(Object obj) {
-			if (obj instanceof MockPropertyChangeListener) {
-				MockPropertyChangeListener l = (MockPropertyChangeListener) obj;
-				return null == this.expPropName ? null == l.expPropName
-						: this.expPropName.equals(l.expPropName);
-			}
-			return false;
-		}
-	}
-
-	/*
-	 * Mock PropertyChangeListener which is not serializable.
-	 */
-	static class MockPropertyChangeListener2 implements PropertyChangeListener {
-
-		public void propertyChange(PropertyChangeEvent event) {
-		}
-	}
-    
-    
+    /*
+     * Test the constructor with a normal parameter.
+     */
+    public void testConstructor_Normal() {
+        Object src = new Object();
+        new PropertyChangeSupport(src);
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener) with a
+     * normal listener parameter.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        PropertyChangeListener l4 = new PropertyChangeListenerProxy("myProp",
+                l3);
+
+        sup.addPropertyChangeListener(l1);
+
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+        assertSame(l1, sup.getPropertyChangeListeners()[0]);
+
+        sup.removePropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+        assertSame(l2, ((PropertyChangeListenerProxy) sup
+                .getPropertyChangeListeners()[0]).getListener());
+        assertNotSame(l3, sup.getPropertyChangeListeners()[0]);
+
+        sup.removePropertyChangeListener(sup.getPropertyChangeListeners()[0]);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+        sup.addPropertyChangeListener(l4);
+        assertNotSame(l3, ((PropertyChangeListenerProxy) sup
+                .getPropertyChangeListeners()[0]).getListener());
+        assertNotSame(l4, sup.getPropertyChangeListeners()[0]);
+        assertSame(
+                l2,
+                ((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) sup
+                        .getPropertyChangeListeners()[0]).getListener())
+                        .getListener());
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener) with a
+     * null listener parameter.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_Null() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+
+        sup.addPropertyChangeListener(null);
+        PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        assertSame(null, listeners[0]);
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener) with a
+     * listener parameter that has already been registered.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_Duplicate() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l1);
+
+        PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
+        assertEquals(2, listeners.length);
+        assertSame(l1, listeners[0]);
+        assertSame(l1, listeners[1]);
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener,
+     * String) with a normal listener parameter and property name parameter.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_String_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+
+        sup.addPropertyChangeListener("myProp2", l1);
+
+        PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        assertSame(l1, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+
+        sup.removePropertyChangeListener(listeners[0]);
+        sup.addPropertyChangeListener("myProp3", l3);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        // pay attention to this recursive proxy
+        assertNotSame(l3, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+        assertNotSame(l3, listeners[0]);
+        assertSame(
+                l2,
+                ((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) listeners[0])
+                        .getListener()).getListener());
+
+        listeners = sup.getPropertyChangeListeners("myProp");
+        assertEquals(0, listeners.length);
+
+        listeners = sup.getPropertyChangeListeners("myProp3");
+        assertEquals(1, listeners.length);
+        // pay attention to this recursive proxy
+        assertNotSame(l3, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+        assertNotSame(l3, listeners[0]);
+        assertSame(l2, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener,
+     * String) with a null listener parameter and a normal property name
+     * parameter.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_String_NullListener() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+
+        sup.addPropertyChangeListener("myProp", null);
+
+        PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        assertSame(null, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+
+        new PropertyChangeListenerProxy("myProp", null);
+        assertEquals(1, listeners.length);
+        assertSame(null, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener,
+     * String) with a normal listener parameter and a null property name
+     * parameter.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_String_NullProperty() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+
+        try {
+            sup.addPropertyChangeListener(null, l1);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+
+        try {
+            sup.addPropertyChangeListener(null, l3);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+
+        l3 = new PropertyChangeListenerProxy(null, l2);
+        try {
+            sup.addPropertyChangeListener(l3);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+    }
+
+    /*
+     * Test the method addPropertyChangeListener(PropertyeChangeListener,
+     * String) with a listener parameter that has already been registered for
+     * the named property.
+     */
+    public void testAddPropertyChangeListener_PropertyChangeListener_String_Duplicate() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+
+        sup.addPropertyChangeListener("myProp2", l1);
+        sup.addPropertyChangeListener("myProp2", l1);
+
+        PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
+        assertEquals(2, listeners.length);
+        assertSame(l1, ((PropertyChangeListenerProxy) listeners[0])
+                .getListener());
+        assertSame(l1, ((PropertyChangeListenerProxy) listeners[1])
+                .getListener());
+
+        sup.removePropertyChangeListener(listeners[0]);
+        sup.removePropertyChangeListener(listeners[1]);
+        sup.addPropertyChangeListener("myProp3", l3);
+        sup.addPropertyChangeListener("myProp3", l3);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(2, listeners.length);
+        assertSame(
+                l2,
+                ((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) listeners[0])
+                        .getListener()).getListener());
+        assertSame(
+                l2,
+                ((PropertyChangeListenerProxy) ((PropertyChangeListenerProxy) listeners[1])
+                        .getListener()).getListener());
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener)
+     * with a normal listener parameter.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+
+        sup.addPropertyChangeListener(l1);
+
+        PropertyChangeListener[] listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        sup.removePropertyChangeListener(l1);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(0, listeners.length);
+        sup.addPropertyChangeListener(l3);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        sup.removePropertyChangeListener(l3);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(0, listeners.length);
+        sup.addPropertyChangeListener("myProp3", l2);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        sup.removePropertyChangeListener(l2);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(1, listeners.length);
+        sup.removePropertyChangeListener(listeners[0]);
+        listeners = sup.getPropertyChangeListeners();
+        assertEquals(0, listeners.length);
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener)
+     * with a null listener parameter.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_Null() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        sup.removePropertyChangeListener(null);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+        sup.addPropertyChangeListener(null);
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+        sup.removePropertyChangeListener(null);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener)
+     * with a non-registered listener parameter.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_NonRegistered() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        sup.removePropertyChangeListener(new MockPropertyChangeListener());
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener,
+     * String) when a listener for all properties has been registered.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_String_AllRegistered() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+
+        sup.addPropertyChangeListener(l1);
+
+        sup.removePropertyChangeListener("myProp", l1);
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+        assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
+        sup.firePropertyChange("myProp", oldValue, newValue);
+        l1.assertCalled();
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener,
+     * String) when a listener for the named property has been registered.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_String_PropertyRegistered() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        sup.addPropertyChangeListener("myProp", l1);
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+
+        sup.removePropertyChangeListener("myProp", l1);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+        assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
+
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        sup.addPropertyChangeListener(l3);
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+        sup.removePropertyChangeListener("myProp", l2);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+        assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener,
+     * String) with a non-registered listener parameter.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_String_NonRegistered() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        sup.removePropertyChangeListener("myProp",
+                new MockPropertyChangeListener());
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener,
+     * String) with a null listener parameter.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_String_NullListener() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+
+        sup.removePropertyChangeListener("myProp", null);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+        sup.addPropertyChangeListener("myProp", null);
+        assertEquals(1, sup.getPropertyChangeListeners().length);
+        sup.removePropertyChangeListener("myProp", null);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+    }
+
+    /*
+     * Test the method removePropertyChangeListener(PropertyeChangeListener,
+     * String) with a null property name parameter.
+     */
+    public void testRemovePropertyChangeListener_PropertyChangeListener_String_NullProperty() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        // sup
+        // .removePropertyChangeListener(null,
+        // new MockPropertyChangeListener());
+        sup.addPropertyChangeListener("myProp",
+                new MockPropertyChangeListener());
+        try {
+            sup.removePropertyChangeListener(null,
+                    new MockPropertyChangeListener());
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+    }
+
+    /*
+     * Test the method getPropertyChangeListeners() when there is one listener
+     * for all properties and one for a named property.
+     */
+    public void testGetPropertyChangeListener_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        PropertyChangeListener l4 = new MockPropertyChangeListener();
+
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp2", l4);
+
+        assertEquals(3, sup.getPropertyChangeListeners().length);
+    }
+
+    /*
+     * Test the method getPropertyChangeListeners() when there is no listeners.
+     */
+    public void testGetPropertyChangeListener_Empty() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        assertEquals(0, sup.getPropertyChangeListeners().length);
+    }
+
+    /*
+     * Test the method getPropertyChangeListeners(String) when there is one
+     * listener for all properties and one for the named property and a third
+     * for another named property.
+     */
+    public void testGetPropertyChangeListener_String_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        PropertyChangeListener l4 = new MockPropertyChangeListener();
+
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp2", l4);
+
+        assertEquals(1, sup.getPropertyChangeListeners("myProp").length);
+        assertSame(l2, sup.getPropertyChangeListeners("myProp")[0]);
+        sup.addPropertyChangeListener("myProp",
+                new MockPropertyChangeListener());
+        assertEquals(2, sup.getPropertyChangeListeners("myProp").length);
+    }
+
+    /*
+     * Test the method getPropertyChangeListeners(String) when there is no
+     * listener for the named property but there is one for another named
+     * property.
+     */
+    public void testGetPropertyChangeListener_String_None() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp2",
+                l2);
+        PropertyChangeListener l4 = new MockPropertyChangeListener();
+
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp3", l4);
+
+        assertEquals(0, sup.getPropertyChangeListeners("myProp").length);
+    }
+
+    /*
+     * Test the method getPropertyChangeListeners(String) with a null parameter.
+     */
+    public void testGetPropertyChangeListener_String_Null() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        // sup.getPropertyChangeListeners(null);
+        sup.addPropertyChangeListener("myProp",
+                new MockPropertyChangeListener());
+        try {
+            sup.getPropertyChangeListeners(null);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+    }
+
+    /*
+     * Test the method hasListeners(String) when there is one listener for all
+     * properties.
+     */
+    public void testHasListener_AllRegistered() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+
+        assertFalse(sup.hasListeners("myProp"));
+        sup.addPropertyChangeListener(l1);
+        assertTrue(sup.hasListeners("myProp"));
+        sup.removePropertyChangeListener(l1);
+        assertFalse(sup.hasListeners("myProp"));
+        sup.addPropertyChangeListener(l3);
+        assertTrue(sup.hasListeners("myProp"));
+    }
+
+    /*
+     * Test the method hasListeners(String) when there is one listener for the
+     * named property.
+     */
+    public void testHasListener_PropertyRegistered() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        PropertyChangeListener l2 = new MockPropertyChangeListener();
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp2",
+                l2);
+
+        assertFalse(sup.hasListeners("myProp"));
+        sup.addPropertyChangeListener("myProP", l1);
+        assertFalse(sup.hasListeners("myProp"));
+        sup.addPropertyChangeListener("myProp", l2);
+        assertTrue(sup.hasListeners("myProp"));
+        sup.removePropertyChangeListener("myProp", l2);
+        assertFalse(sup.hasListeners("myProp"));
+        sup.addPropertyChangeListener("myProp", l3);
+        assertFalse(sup.hasListeners("myProp"));
+    }
+
+    /*
+     * Test the method hasListeners(String) when there is no listeners.
+     */
+    public void testHasListener_None() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        assertFalse(sup.hasListeners("myProp"));
+    }
+
+    /*
+     * Test the method hasListeners(String) with a null parameter.
+     */
+    public void testHasListener_Null() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        // assertFalse(sup.hasListeners(null));
+
+        PropertyChangeListener l1 = new MockPropertyChangeListener();
+        sup.addPropertyChangeListener("myProP", l1);
+        try {
+            sup.hasListeners(null);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with normal
+     * parameters, when there is no listeners.
+     */
+    public void testFirePropertyChange_Object_NoListeners() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        sup.firePropertyChange("myProp", new Object(), new Object());
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with normal
+     * parameters, when there is a listener for all properties and another for
+     * the named property.
+     */
+    public void testFirePropertyChange_Object_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange("myProp", oldValue, newValue);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with equal old
+     * and new non-null values, when there is a listener for all properties and
+     * another for the named property.
+     */
+    public void testFirePropertyChange_Object_EqualValues() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = newValue;
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange("myProp", oldValue, newValue);
+        l1.assertNotCalled();
+        l2.assertNotCalled();
+        l4.assertNotCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with null old
+     * and new values, when there is a listener for all properties and another
+     * for the named property.
+     */
+    public void testFirePropertyChange_Object_NullValues() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = null;
+        Object oldValue = null;
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange("myProp", oldValue, newValue);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with a
+     * non-null old value and a null new value, when there is a listener for all
+     * properties and another for the named property.
+     */
+    public void testFirePropertyChange_Object_NullNewValue() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = null;
+        Object oldValue = new Object();
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange("myProp", oldValue, newValue);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with a null
+     * old value and a non-null new value, when there is a listener for all
+     * properties and another for the named property.
+     */
+    public void testFirePropertyChange_Object_NullOldValue() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = null;
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange("myProp", oldValue, newValue);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) with a null
+     * property name parameter.
+     */
+    public void testFirePropertyChange_Object_NullProperty() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src,
+                null, oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src,
+                null, oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src,
+                null, oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(null, oldValue, newValue);
+        l1.assertCalled();
+        l2.assertNotCalled();
+        l4.assertNotCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(String, Object, Object) when a null
+     * listener has been registered.
+     */
+    public void testFirePropertyChange_Object_NullListener() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+
+        sup.addPropertyChangeListener(null);
+        try {
+            sup.firePropertyChange("myProp", oldValue, newValue);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) with normal
+     * parameters, when there is a listener for all properties and another for
+     * the named property.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_Normal() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
+                oldValue, newValue);
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(event);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) with equal old
+     * and new non-null values, when there is a listener for all properties and
+     * another for the named property.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_EqualValues() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = newValue;
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
+                oldValue, newValue);
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(event);
+        l1.assertNotCalled();
+        l2.assertNotCalled();
+        l4.assertNotCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) with null old and
+     * new values, when there is a listener for all properties and another for
+     * the named property.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_NullValues() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = null;
+        Object oldValue = null;
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
+                oldValue, newValue);
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(event);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) with a non-null
+     * old value and a null new value, when there is a listener for all
+     * properties and another for the named property.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_NullNewValue() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = null;
+        Object oldValue = new Object();
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
+                oldValue, newValue);
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(event);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) with a null old
+     * value and a non-null new value, when there is a listener for all
+     * properties and another for the named property.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_NullOldValue() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = null;
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
+                oldValue, newValue);
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
+                "myProp", oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(event);
+        l1.assertCalled();
+        l2.assertCalled();
+        l4.assertCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) with a null
+     * property name parameter.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_NullProperty() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, null,
+                oldValue, newValue);
+
+        MockPropertyChangeListener l1 = new MockPropertyChangeListener(src2,
+                null, oldValue, newValue);
+        MockPropertyChangeListener l2 = new MockPropertyChangeListener(src2,
+                null, oldValue, newValue);
+        PropertyChangeListener l3 = new PropertyChangeListenerProxy("myProp",
+                l2);
+        MockPropertyChangeListener l4 = new MockPropertyChangeListener(src2,
+                null, oldValue, newValue);
+        sup.addPropertyChangeListener(l1);
+        sup.addPropertyChangeListener(l3);
+        sup.addPropertyChangeListener("myProp", l4);
+
+        sup.firePropertyChange(event);
+        l1.assertCalled();
+        l2.assertNotCalled();
+        l4.assertNotCalled();
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) when null.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_Null() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+
+        try {
+            sup.firePropertyChange(null);
+            fail("Should throw NullPointerException!");
+        } catch (NullPointerException ex) {
+            // expected
+        }
+    }
+
+    /*
+     * Test the method firePropertyChange(PropertyChangeEvent) when a null
+     * listener has been registered.
+     */
+    public void testFirePropertyChange_PropertyChangeEvent_NullListener() {
+        Object src = new Object();
+        PropertyChangeSupport sup = new PropertyChangeSupport(src);
+        Object newValue = new Object();
+        Object oldValue = new Object();
+        Object src2 = new Object();
+        PropertyChangeEvent event = new PropertyChangeEvent(src2, "myProp",
+                oldValue, newValue);
+
+        sup.addPropertyChangeListener(null);
+        try {
+            sup.firePropertyChange(event);

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