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