J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4634390 |
| 27 | * @summary Tests contract for equals and hashCode methods |
| 28 | * @author Mark Davidson |
| 29 | */ |
| 30 | |
| 31 | import java.beans.IndexedPropertyDescriptor; |
| 32 | import java.beans.IntrospectionException; |
| 33 | import java.beans.PropertyDescriptor; |
| 34 | import java.lang.reflect.Method; |
| 35 | import javax.swing.*; |
| 36 | |
| 37 | public class Test4634390 { |
| 38 | |
| 39 | private static final Class[] CLASSES = { |
| 40 | JButton.class, |
| 41 | JDialog.class, |
| 42 | JMenu.class, |
| 43 | JPanel.class, |
| 44 | JProgressBar.class, |
| 45 | JSlider.class, |
| 46 | JTable.class, |
| 47 | JTree.class, |
| 48 | JComboBox.class, |
| 49 | JToolBar.class, |
| 50 | JTabbedPane.class, |
| 51 | }; |
| 52 | |
| 53 | public static void main(String[] args) { |
| 54 | for (Class type : CLASSES) { |
| 55 | test(type); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | private static void test(Class type) { |
| 60 | for (PropertyDescriptor pd : BeanUtils.getPropertyDescriptors(type)) { |
| 61 | PropertyDescriptor pdCopy = create(pd); |
| 62 | if (pdCopy != null) { |
| 63 | // XXX - hack! The Introspector will set the bound property |
| 64 | // since it assumes that propertyChange event set descriptors |
| 65 | // infers that all the properties are bound |
| 66 | pdCopy.setBound(pd.isBound()); |
| 67 | |
| 68 | String name = pd.getName(); |
| 69 | System.out.println(" - " + name); |
| 70 | |
| 71 | if (!compare(pd, pdCopy)) |
| 72 | throw new Error("property delegates are not equal"); |
| 73 | |
| 74 | if (!pd.equals(pdCopy)) |
| 75 | throw new Error("equals() failed"); |
| 76 | |
| 77 | if (pd.hashCode() != pdCopy.hashCode()) |
| 78 | throw new Error("hashCode() failed"); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | private static PropertyDescriptor create(PropertyDescriptor pd) { |
| 84 | try { |
| 85 | if (pd instanceof IndexedPropertyDescriptor) { |
| 86 | IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd; |
| 87 | return new IndexedPropertyDescriptor( |
| 88 | ipd.getName(), |
| 89 | ipd.getReadMethod(), |
| 90 | ipd.getWriteMethod(), |
| 91 | ipd.getIndexedReadMethod(), |
| 92 | ipd.getIndexedWriteMethod()); |
| 93 | } else { |
| 94 | return new PropertyDescriptor( |
| 95 | pd.getName(), |
| 96 | pd.getReadMethod(), |
| 97 | pd.getWriteMethod()); |
| 98 | } |
| 99 | } |
| 100 | catch (IntrospectionException exception) { |
| 101 | exception.printStackTrace(); |
| 102 | return null; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | private static boolean compare(PropertyDescriptor pd1, PropertyDescriptor pd2) { |
| 107 | if (!compare(pd1.getReadMethod(), pd2.getReadMethod())) { |
| 108 | System.out.println("read methods not equal"); |
| 109 | return false; |
| 110 | } |
| 111 | if (!compare(pd1.getWriteMethod(), pd2.getWriteMethod())) { |
| 112 | System.out.println("write methods not equal"); |
| 113 | return false; |
| 114 | } |
| 115 | if (pd1.getPropertyType() != pd2.getPropertyType()) { |
| 116 | System.out.println("property type not equal"); |
| 117 | return false; |
| 118 | } |
| 119 | if (pd1.getPropertyEditorClass() != pd2.getPropertyEditorClass()) { |
| 120 | System.out.println("property editor class not equal"); |
| 121 | return false; |
| 122 | } |
| 123 | if (pd1.isBound() != pd2.isBound()) { |
| 124 | System.out.println("bound value not equal"); |
| 125 | return false; |
| 126 | } |
| 127 | if (pd1.isConstrained() != pd2.isConstrained()) { |
| 128 | System.out.println("constrained value not equal"); |
| 129 | return false; |
| 130 | } |
| 131 | return true; |
| 132 | } |
| 133 | |
| 134 | private static boolean compare(Method m1, Method m2) { |
| 135 | if ((m1 == null) && (m2 == null)) { |
| 136 | return true; |
| 137 | } |
| 138 | if ((m1 == null) || (m2 == null)) { |
| 139 | return false; |
| 140 | } |
| 141 | return m1.equals(m2); |
| 142 | } |
| 143 | } |