1 /*

     2  * Copyright (c) 2009, 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 6847092

    26  * @summary test if isLegalReplacement() works correctly for ascii charsets

    27  */

    28 

    29 import java.util.*;

    30 import java.nio.*;

    31 import java.nio.charset.*;

    32 

    33 public class FindASCIIReplBugs {

    34     private static int failures = 0;

    35 

    36     public static void main(String[] args) throws Exception {

    37         Charset ascii = Charset.forName("ASCII");

    38         for (Map.Entry<String,Charset> e

    39                  : Charset.availableCharsets().entrySet()) {

    40             String csn = e.getKey();

    41             Charset cs = e.getValue();

    42             if (!cs.contains(ascii) ||

    43                 csn.matches(".*2022.*") ||             //iso2022 family

    44                 csn.matches(".*UTF-[16|32].*"))        //multi-bytes

    45                 continue;

    46             if (! cs.canEncode()) continue;

    47 

    48             byte[] sc_subs = { 'A'};

    49             byte[] mc_subs = { 'A', 'S'};

    50             if (!cs.newEncoder().isLegalReplacement (sc_subs) ||

    51                 !cs.newEncoder().isLegalReplacement (mc_subs)) {

    52                 System.out.printf(" %s: isLegalReplacement failed!%n", csn);

    53                 failures++;

    54             }

    55         }

    56         if (failures > 0)

    57             throw new Exception(failures + "tests failed");

    58     }

    59 }