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 unshared write and read operations work properly with |
| 27 | * enum constants. |
| 28 | * |
| 29 | * @compile -source 1.5 Test.java |
| 30 | * @run main Test |
| 31 | */ |
| 32 | |
| 33 | import java.io.*; |
| 34 | |
| 35 | enum Foo { foo, bar, baz } |
| 36 | |
| 37 | abstract class WriteReadTest { |
| 38 | |
| 39 | abstract void write(ObjectOutputStream out) throws Exception; |
| 40 | abstract void read(ObjectInputStream in) throws Exception; |
| 41 | |
| 42 | void run() throws Exception { |
| 43 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 44 | ObjectOutputStream oout = new ObjectOutputStream(bout); |
| 45 | write(oout); |
| 46 | oout.close(); |
| 47 | read(new ObjectInputStream( |
| 48 | new ByteArrayInputStream(bout.toByteArray()))); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | public class Test { |
| 53 | public static void main(String[] args) throws Exception { |
| 54 | WriteReadTest[] tests = { |
| 55 | new WriteReadTest() { |
| 56 | void write(ObjectOutputStream out) throws Exception { |
| 57 | out.writeObject(Foo.foo); |
| 58 | out.writeObject(Foo.foo); |
| 59 | } |
| 60 | void read(ObjectInputStream in) throws Exception { |
| 61 | Object obj = in.readObject(); |
| 62 | if (obj != Foo.foo) { |
| 63 | throw new Error( |
| 64 | "expected " + Foo.foo + " instead of " + obj); |
| 65 | } |
| 66 | try { |
| 67 | obj = in.readUnshared(); |
| 68 | throw new Error( |
| 69 | "read of " + obj + " should not have succeeded"); |
| 70 | } catch (ObjectStreamException e) { |
| 71 | System.out.println("caught expected exception " + e); |
| 72 | } |
| 73 | } |
| 74 | }, |
| 75 | new WriteReadTest() { |
| 76 | void write(ObjectOutputStream out) throws Exception { |
| 77 | out.writeObject(Foo.foo); |
| 78 | out.writeObject(Foo.foo); |
| 79 | } |
| 80 | void read(ObjectInputStream in) throws Exception { |
| 81 | Object obj = in.readUnshared(); |
| 82 | if (obj != Foo.foo) { |
| 83 | throw new Error( |
| 84 | "expected " + Foo.foo + " instead of " + obj); |
| 85 | } |
| 86 | try { |
| 87 | obj = in.readObject(); |
| 88 | throw new Error( |
| 89 | "read of " + obj + " should not have succeeded"); |
| 90 | } catch (ObjectStreamException e) { |
| 91 | System.out.println("caught expected exception " + e); |
| 92 | } |
| 93 | } |
| 94 | }, |
| 95 | new WriteReadTest() { |
| 96 | void write(ObjectOutputStream out) throws Exception { |
| 97 | out.writeObject(Foo.foo); |
| 98 | out.writeUnshared(Foo.foo); |
| 99 | } |
| 100 | void read(ObjectInputStream in) throws Exception { |
| 101 | Object obj = in.readUnshared(); |
| 102 | if (obj != Foo.foo) { |
| 103 | throw new Error( |
| 104 | "expected " + Foo.foo + " instead of " + obj); |
| 105 | } |
| 106 | obj = in.readUnshared(); |
| 107 | if (obj != Foo.foo) { |
| 108 | throw new Error( |
| 109 | "expected " + Foo.foo + " instead of " + obj); |
| 110 | } |
| 111 | } |
| 112 | }, |
| 113 | new WriteReadTest() { |
| 114 | void write(ObjectOutputStream out) throws Exception { |
| 115 | out.writeUnshared(Foo.foo); |
| 116 | out.writeObject(Foo.foo); |
| 117 | } |
| 118 | void read(ObjectInputStream in) throws Exception { |
| 119 | Object obj = in.readUnshared(); |
| 120 | if (obj != Foo.foo) { |
| 121 | throw new Error( |
| 122 | "expected " + Foo.foo + " instead of " + obj); |
| 123 | } |
| 124 | obj = in.readUnshared(); |
| 125 | if (obj != Foo.foo) { |
| 126 | throw new Error( |
| 127 | "expected " + Foo.foo + " instead of " + obj); |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | }; |
| 132 | for (int i = 0; i < tests.length; i++) { |
| 133 | tests[i].run(); |
| 134 | } |
| 135 | } |
| 136 | } |