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