J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 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 5085148 |
| 27 | * @summary Test if PrintWriter methods check if the stream |
| 28 | * has been closed. |
| 29 | */ |
| 30 | |
| 31 | import java.io.*; |
| 32 | |
| 33 | public enum OpsAfterClose { |
| 34 | |
| 35 | WRITE_BUF { boolean check(PrintWriter w) { |
| 36 | char buf[] = new char[2]; |
| 37 | w.write(buf); |
| 38 | return w.checkError(); |
| 39 | } }, |
| 40 | |
| 41 | WRITE_BUF_OFF { boolean check(PrintWriter w) { |
| 42 | char buf[] = new char[2]; |
| 43 | int len = 1; |
| 44 | w.write(buf, 0, len); |
| 45 | return w.checkError(); |
| 46 | } }, |
| 47 | WRITE_INT { boolean check(PrintWriter w) { |
| 48 | w.write(1); |
| 49 | return w.checkError(); |
| 50 | } }, |
| 51 | WRITE_STR { boolean check(PrintWriter w) { |
| 52 | String s = "abc"; |
| 53 | w.write(s); |
| 54 | return w.checkError(); |
| 55 | } }, |
| 56 | WRITE_STR_OFF { boolean check(PrintWriter w) { |
| 57 | String s = "abc"; |
| 58 | w.write(s, 0, s.length()); |
| 59 | return w.checkError(); |
| 60 | } }; |
| 61 | |
| 62 | abstract boolean check(PrintWriter w); |
| 63 | |
| 64 | public static void main(String args[]) throws Exception { |
| 65 | |
| 66 | System.out.println("Testing PrintWriter"); |
| 67 | boolean failed = false; |
| 68 | boolean result = false; |
| 69 | File f = new File(System.getProperty("test.dir", "."), |
| 70 | "print-writer.out"); |
| 71 | f.deleteOnExit(); |
| 72 | |
| 73 | for (OpsAfterClose op : OpsAfterClose.values()) { |
| 74 | PrintWriter pw = new PrintWriter( |
| 75 | new FileWriter(f)); |
| 76 | pw.close(); |
| 77 | result = op.check(pw); |
| 78 | if (!result) { |
| 79 | failed = true; |
| 80 | } |
| 81 | System.out.println(op + ":" + result); |
| 82 | } |
| 83 | if (failed) { |
| 84 | throw new Exception( |
| 85 | "Test failed for the failed operation{s} " + |
| 86 | "above for the PrintWriter"); |
| 87 | } |
| 88 | } |
| 89 | } |