J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998 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 4085756 |
| 27 | * @summary Ensure readObject() works when InputStream.available() is not implemented. |
| 28 | * In JDK 1.1.x, Win32 System Console available() thows IOException |
| 29 | * to denote that it is not implemented. |
| 30 | */ |
| 31 | |
| 32 | import java.io.*; |
| 33 | |
| 34 | public class NotAvailable { |
| 35 | public static void main(String[] args) throws Exception { |
| 36 | ByteArrayOutputStream baos; |
| 37 | ObjectOutput out; |
| 38 | try { |
| 39 | // Write class out |
| 40 | baos = new ByteArrayOutputStream(); |
| 41 | out = new ObjectOutputStream(baos); |
| 42 | out.writeObject(new Class1(22,33)); |
| 43 | out.writeObject(new Class1(22,33)); |
| 44 | out.flush(); |
| 45 | } catch (IOException e) { |
| 46 | e.printStackTrace(); |
| 47 | throw e; |
| 48 | } |
| 49 | |
| 50 | ObjectInputStream in = null; |
| 51 | try { |
| 52 | // Read it back |
| 53 | ByteArrayInputStream bois = |
| 54 | new ByteArrayInputStream(baos.toByteArray()) { |
| 55 | /* simulate available() not being implemented. */ |
| 56 | public int available() { |
| 57 | throw new Error("available() is not implemented"); |
| 58 | } |
| 59 | }; |
| 60 | in = new ObjectInputStream(bois); |
| 61 | Class1 cc1 = (Class1) in.readObject(); |
| 62 | Class1 cc2 = (Class1) in.readObject(); |
| 63 | } catch (IOException e) { |
| 64 | e.printStackTrace(); |
| 65 | throw e; |
| 66 | } catch (ClassNotFoundException e) { |
| 67 | e.printStackTrace(); |
| 68 | throw e; |
| 69 | } finally { |
| 70 | if (in != null) |
| 71 | in.close(); |
| 72 | if (out != null) |
| 73 | out.close(); |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | class Class1 implements Serializable { |
| 79 | int a, b; |
| 80 | |
| 81 | public Class1(int aa, int bb) { |
| 82 | a = aa; |
| 83 | b = bb; |
| 84 | } |
| 85 | } |