1 /* 2 * Copyright 2003 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 /* @test 25 * @bug 4838379 26 * @summary Verify that serialVersionUID and serialPersistentFields 27 * declarations made by enum types and constants are ignored. 28 * 29 * @compile -source 1.5 Test.java 30 * @run main Test 31 */ 32 33 import java.io.*; 34 import java.util.Arrays; 35 36 enum Foo { 37 38 foo, 39 bar { 40 private static final long serialVersionUID = 2L; 41 // bar is implemented as an inner class instance, so the following 42 // declaration would cause a compile-time error 43 // private static final ObjectStreamField[] serialPersistentFields = { 44 // new ObjectStreamField("gub", Float.TYPE) 45 // }; 46 }; 47 48 private static final long serialVersionUID = 1L; 49 private static final ObjectStreamField[] serialPersistentFields = { 50 new ObjectStreamField("blargh", Integer.TYPE) 51 }; 52 } 53 54 public class Test { 55 public static void main(String[] args) throws Exception { 56 Class[] classes = 57 { Foo.class, Foo.foo.getClass(), Foo.bar.getClass() }; 58 for (int i = 0; i < classes.length; i++) { 59 ObjectStreamClass desc = ObjectStreamClass.lookup(classes[i]); 60 if (desc.getSerialVersionUID() != 0L) { 61 throw new Error( 62 classes[i] + " has non-zero serialVersionUID: " + 63 desc.getSerialVersionUID()); 64 } 65 ObjectStreamField[] fields = desc.getFields(); 66 if (fields.length > 0) { 67 throw new Error( 68 classes[i] + " has non-empty list of fields: " + 69 Arrays.asList(fields)); 70 } 71 } 72 } 73 }