/* * 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); } }