| /* |
| * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| @bug 4071765 |
| @summary Bug in the parameter of str.getChars called in write |
| */ |
| |
| |
| |
| import java.io.*; |
| |
| public class WriteFromString { |
| |
| |
| public static void main(String argv[]) throws Exception { |
| LocalStringWriter lsw = new LocalStringWriter(); |
| boolean result = true; |
| |
| String testString = "Testing of what gets written"; |
| // Should write out at offset 2 for length 4 i.e."stin" |
| lsw.write(testString, 1, 4); |
| String res = lsw.toString(); |
| if (!res.equals("esti")) { |
| result = false; |
| System.err.println("Writer.write is incorrect:" + res); |
| } |
| |
| // Same bug in stringwriter as well |
| StringWriter sw = new StringWriter(); |
| sw.write(testString, 1, 4); |
| res = sw.toString(); |
| String ss = testString.substring(1,4); |
| System.out.println("Substring = "+ss); |
| if (!res.equals("esti")) { |
| System.err.println("StringWriter.write is incorrect:" + res); |
| result = false; |
| } |
| if (!result) { |
| throw new Exception("Writer.write method is incorrect."); |
| } |
| } |
| |
| } |
| |
| /** |
| * A copy of StringWriter to test the write method in Writer |
| */ |
| |
| class LocalStringWriter extends Writer { |
| |
| private StringBuffer buf; |
| |
| /** |
| * Create a new string writer, using the default initial string-buffer |
| * size. |
| */ |
| public LocalStringWriter() { |
| buf = new StringBuffer(); |
| lock = buf; |
| } |
| |
| /** |
| * Write a portion of an array of characters. |
| * |
| * @param cbuf Array of characters |
| * @param off Offset from which to start writing characters |
| * @param len Number of characters to write |
| */ |
| public void write(char cbuf[], int off, int len) { |
| if ((off < 0) || (off > cbuf.length) || (len < 0) || |
| ((off + len) > cbuf.length) || ((off + len) < 0)) { |
| throw new IndexOutOfBoundsException(); |
| } else if (len == 0) { |
| return; |
| } |
| buf.append(cbuf, off, len); |
| } |
| |
| /** |
| * Write a string. |
| */ |
| public void write(String str) { |
| buf.append(str); |
| } |
| |
| /** |
| * Return the buffer's current value as a string. |
| */ |
| public String toString() { |
| return buf.toString(); |
| } |
| |
| |
| public void flush(){ } |
| |
| public void close(){ } |
| |
| } |