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 | /* @test |
| 25 | @bug 4071765 |
| 26 | @summary Bug in the parameter of str.getChars called in write |
| 27 | */ |
| 28 | |
| 29 | |
| 30 | |
| 31 | import java.io.*; |
| 32 | |
| 33 | public class WriteFromString { |
| 34 | |
| 35 | |
| 36 | public static void main(String argv[]) throws Exception { |
| 37 | LocalStringWriter lsw = new LocalStringWriter(); |
| 38 | boolean result = true; |
| 39 | |
| 40 | String testString = "Testing of what gets written"; |
| 41 | // Should write out at offset 2 for length 4 i.e."stin" |
| 42 | lsw.write(testString, 1, 4); |
| 43 | String res = lsw.toString(); |
| 44 | if (!res.equals("esti")) { |
| 45 | result = false; |
| 46 | System.err.println("Writer.write is incorrect:" + res); |
| 47 | } |
| 48 | |
| 49 | // Same bug in stringwriter as well |
| 50 | StringWriter sw = new StringWriter(); |
| 51 | sw.write(testString, 1, 4); |
| 52 | res = sw.toString(); |
| 53 | String ss = testString.substring(1,4); |
| 54 | System.out.println("Substring = "+ss); |
| 55 | if (!res.equals("esti")) { |
| 56 | System.err.println("StringWriter.write is incorrect:" + res); |
| 57 | result = false; |
| 58 | } |
| 59 | if (!result) { |
| 60 | throw new Exception("Writer.write method is incorrect."); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * A copy of StringWriter to test the write method in Writer |
| 68 | */ |
| 69 | |
| 70 | class LocalStringWriter extends Writer { |
| 71 | |
| 72 | private StringBuffer buf; |
| 73 | |
| 74 | /** |
| 75 | * Create a new string writer, using the default initial string-buffer |
| 76 | * size. |
| 77 | */ |
| 78 | public LocalStringWriter() { |
| 79 | buf = new StringBuffer(); |
| 80 | lock = buf; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Write a portion of an array of characters. |
| 85 | * |
| 86 | * @param cbuf Array of characters |
| 87 | * @param off Offset from which to start writing characters |
| 88 | * @param len Number of characters to write |
| 89 | */ |
| 90 | public void write(char cbuf[], int off, int len) { |
| 91 | if ((off < 0) || (off > cbuf.length) || (len < 0) || |
| 92 | ((off + len) > cbuf.length) || ((off + len) < 0)) { |
| 93 | throw new IndexOutOfBoundsException(); |
| 94 | } else if (len == 0) { |
| 95 | return; |
| 96 | } |
| 97 | buf.append(cbuf, off, len); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Write a string. |
| 102 | */ |
| 103 | public void write(String str) { |
| 104 | buf.append(str); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Return the buffer's current value as a string. |
| 109 | */ |
| 110 | public String toString() { |
| 111 | return buf.toString(); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | public void flush(){ } |
| 116 | |
| 117 | public void close(){ } |
| 118 | |
| 119 | } |