/*

 * 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.

 *

 */

/* @test

 * @bug 6847092

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

 */

import java.util.*;

import java.nio.*;

import java.nio.charset.*;

public class FindASCIIReplBugs {

    private static int failures = 0;

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

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

        for (Map.Entry<String,Charset> e

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

            String csn = e.getKey();

            Charset cs = e.getValue();

            if (!cs.contains(ascii) ||

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

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

                continue;

            if (! cs.canEncode()) continue;

            byte[] sc_subs = { 'A'};

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

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

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

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

                failures++;

            }

        }

        if (failures > 0)

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

    }

}