J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997 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 | @summary Test interaction of buffer sizes in buffered char and byte streams |
| 26 | */ |
| 27 | |
| 28 | import java.io.*; |
| 29 | |
| 30 | public class BufferSizes { |
| 31 | |
| 32 | static int min = 90; |
| 33 | static int max = 110; |
| 34 | static int chunk = 100; |
| 35 | static int count = 1000; |
| 36 | |
| 37 | static void runBytes() throws IOException { |
| 38 | for (int sz = min; sz <= max; sz++) { |
| 39 | System.err.println(sz); |
| 40 | InputStream in |
| 41 | = new BufferedInputStream(new ABCInputStream(count, chunk), sz); |
| 42 | OutputStream out |
| 43 | = new BufferedOutputStream(new ABCOutputStream(count), sz); |
| 44 | int n; |
| 45 | byte[] buf = new byte[sz]; |
| 46 | while ((n = in.read(buf, 0, sz)) != -1) |
| 47 | out.write(buf, 0, n); |
| 48 | in.close(); |
| 49 | out.close(); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | |
| 54 | static void runChars() throws IOException { |
| 55 | for (int sz = min; sz <= max; sz++) { |
| 56 | System.err.println(sz); |
| 57 | Reader in |
| 58 | = new BufferedReader(new InputStreamReader(new ABCInputStream(count, chunk)), sz); |
| 59 | Writer out |
| 60 | = new BufferedWriter(new OutputStreamWriter(new ABCOutputStream(count)), sz); |
| 61 | int n; |
| 62 | char[] cbuf = new char[sz]; |
| 63 | |
| 64 | while ((n = in.read(cbuf, 0, sz)) != -1) |
| 65 | out.write(cbuf, 0, n); |
| 66 | in.close(); |
| 67 | out.close(); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | public static void main(String[] args) throws IOException { |
| 72 | runBytes(); |
| 73 | runChars(); |
| 74 | } |
| 75 | |
| 76 | } |