1/* 2 * Copyright (c) 2008, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 @bug 4834154 26 @summary Decode a file using EUC-TW, test for decode errors 27 */ 28 29/* 30 * Tests for decode errors in NIO EUC-TW decoder. 4734607 details 31 * decoding errors which occur when the input file > 8k in size 32 * and contains numerous US-ASCII range chars 33 */ 34 35import java.io.*; 36 37public class BufferUnderflowEUCTWTest { 38 private static int BUFFERSIZE = 8194; 39 40 public static void main (String[] args) throws Exception { 41 int i = 0; 42 byte[] b = new byte[BUFFERSIZE]; 43 44 for (; i < BUFFERSIZE - 4; i++) // pad with zeroes 45 b[i] = 0; 46 47 // Overspill a valid EUC-TW 4 byte sequence between 2 48 // successive input buffers. 49 b[i++] = (byte)0x8E; 50 b[i++] = (byte)0xA2; 51 b[i++] = (byte)0xA1; 52 b[i++] = (byte)0xA6; 53 54 ByteArrayInputStream r = new ByteArrayInputStream(b); 55 56 try { 57 InputStreamReader isr=new InputStreamReader(r, "EUC-TW"); 58 char[] cc = new char[BUFFERSIZE]; 59 int cx = isr.read(cc); 60 } catch (ArrayIndexOutOfBoundsException e) { 61 throw new Exception("Array Index error: bug 4834154"); 62 } 63 } 64} 65