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/*
* Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4634390
* @summary Tests contract for equals and hashCode methods
* @author Mark Davidson
*/
import java.beans.IndexedPropertyDescriptor;
import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import javax.swing.*;
public class Test4634390 {
private static final Class[] CLASSES = {
JButton.class,
JDialog.class,
JMenu.class,
JPanel.class,
JProgressBar.class,
JSlider.class,
JTable.class,
JTree.class,
JComboBox.class,
JToolBar.class,
JTabbedPane.class,
};
public static void main(String[] args) {
for (Class type : CLASSES) {
test(type);
}
}
private static void test(Class type) {
for (PropertyDescriptor pd : BeanUtils.getPropertyDescriptors(type)) {
PropertyDescriptor pdCopy = create(pd);
if (pdCopy != null) {
// XXX - hack! The Introspector will set the bound property
// since it assumes that propertyChange event set descriptors
// infers that all the properties are bound
pdCopy.setBound(pd.isBound());
String name = pd.getName();
System.out.println(" - " + name);
if (!compare(pd, pdCopy))
throw new Error("property delegates are not equal");
if (!pd.equals(pdCopy))
throw new Error("equals() failed");
if (pd.hashCode() != pdCopy.hashCode())
throw new Error("hashCode() failed");
}
}
}
private static PropertyDescriptor create(PropertyDescriptor pd) {
try {
if (pd instanceof IndexedPropertyDescriptor) {
IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
return new IndexedPropertyDescriptor(
ipd.getName(),
ipd.getReadMethod(),
ipd.getWriteMethod(),
ipd.getIndexedReadMethod(),
ipd.getIndexedWriteMethod());
} else {
return new PropertyDescriptor(
pd.getName(),
pd.getReadMethod(),
pd.getWriteMethod());
}
}
catch (IntrospectionException exception) {
exception.printStackTrace();
return null;
}
}
private static boolean compare(PropertyDescriptor pd1, PropertyDescriptor pd2) {
if (!compare(pd1.getReadMethod(), pd2.getReadMethod())) {
System.out.println("read methods not equal");
return false;
}
if (!compare(pd1.getWriteMethod(), pd2.getWriteMethod())) {
System.out.println("write methods not equal");
return false;
}
if (pd1.getPropertyType() != pd2.getPropertyType()) {
System.out.println("property type not equal");
return false;
}
if (pd1.getPropertyEditorClass() != pd2.getPropertyEditorClass()) {
System.out.println("property editor class not equal");
return false;
}
if (pd1.isBound() != pd2.isBound()) {
System.out.println("bound value not equal");
return false;
}
if (pd1.isConstrained() != pd2.isConstrained()) {
System.out.println("constrained value not equal");
return false;
}
return true;
}
private static boolean compare(Method m1, Method m2) {
if ((m1 == null) && (m2 == null)) {
return true;
}
if ((m1 == null) || (m2 == null)) {
return false;
}
return m1.equals(m2);
}
}
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