J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 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 | } |