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 4094987 26 @summary Verify that malformed expression exceptions are thrown 27 but no internal errors in certain pathologial cases. 28 29 */ 30 31 32import java.io.*; 33import java.nio.charset.*; 34 35public class ConvertSingle { 36 37 public static void main(String args[]) throws Exception { 38 // This conversion is pathologically bad - it is attempting to 39 // read unicode from an ascii encoded string. 40 // The orignal bug: A internal error in ISR results if the 41 // byte counter in ByteToCharUnicode 42 // is not advanced as the input is consumed. 43 44 try{ 45 String s = "\n"; 46 byte ss[] = null; 47 String sstring = "x"; 48 ss = s.getBytes(); 49 ByteArrayInputStream BAIS = new ByteArrayInputStream(ss); 50 InputStreamReader ISR = new InputStreamReader(BAIS, "Unicode"); 51 BufferedReader BR = new BufferedReader(ISR); 52 sstring = BR.readLine(); 53 BR.close(); 54 System.out.println(sstring); 55 } catch (MalformedInputException e){ 56 // Right error 57 return; 58 } catch (java.lang.InternalError e) { 59 throw new Exception("ByteToCharUnicode is failing incorrectly for " 60 + " single byte input"); 61 } 62 63 } 64 65} 66