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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * 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).

 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 */

/* @test

 * @bug 6379808 8166339

 * @summary Check all Cp933 SBCS characters are not supported in Cp834

 * @modules jdk.charsets

 */

import java.io.*;

import java.nio.*;

import java.nio.charset.*;

public class TestCp834_SBCS {

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

        // The correctness of 1:1 mapping is Coverted by CoderTest.java

        // and TestConv.java, we only need to verify that SBCS characters

        // are not supported by this charset.

        CharsetEncoder enc834 = Charset.forName("Cp834")

                                       .newEncoder()

                                       .onUnmappableCharacter(CodingErrorAction.REPLACE)

                                       .onMalformedInput(CodingErrorAction.REPLACE);

        CharsetDecoder dec834 = Charset.forName("Cp834")

                                       .newDecoder()

                                       .onUnmappableCharacter(CodingErrorAction.REPLACE)

                                       .onMalformedInput(CodingErrorAction.REPLACE);

        CharsetDecoder dec933 = Charset.forName("Cp933")

                                       .newDecoder()

                                       .onUnmappableCharacter(CodingErrorAction.REPLACE)

                                       .onMalformedInput(CodingErrorAction.REPLACE);

        byte[] ba = new byte[1];

        byte[] ba2 = new byte[2];

        ByteBuffer dbb = ByteBuffer.allocateDirect(10);

        char[] ca = new char[1];

        char c;

        for (int i = 0; i <= 0xff; i++) {

            if (i != 0xe && i != 0xf) {   // no SI/SO

                ba[0] = (byte)i;

                CharBuffer cb = dec933.decode(ByteBuffer.wrap(ba));

                if ((c = cb.get()) != '\ufffd') {

                    // OK, this is a SBCS character in Cp933

                    if (dec834.decode(ByteBuffer.wrap(ba)).get() != '\ufffd')

                        throw new RuntimeException("SBCS is supported in IBM834 decoder");

                    if (enc834.canEncode(c))

                        throw new RuntimeException("SBCS can be encoded in IBM834 encoder");

                    ca[0] = c;

                    ByteBuffer bb = enc834.encode(CharBuffer.wrap(ca));

                    if (bb.get() != (byte)0xfe || bb.get() != (byte)0xfe)

                        throw new RuntimeException("SBCS is supported in IBM834 encoder");

                }

            }

        }

        // 8166339: cp834 should handle unmappable bytes as dobule-byte pair.

        if (! new String("\ufffd".getBytes("cp834"), "cp834").equals("\ufffd")) {

            throw new RuntimeException("u+fffd roundtrip failed");

        }

        if (! new String("a".getBytes("cp834"), "cp834").equals("\ufffd") ||

            ! new String(new byte[] { 0x41, 0x40}, "cp834").equals("\ufffd")) {

            throw new RuntimeException("decoding unmappable don't return u+fffd");

        }

        CoderResult cr = Charset.forName("Cp834").newDecoder().decode(

            ByteBuffer.wrap(new byte[] { 0x41, 0x40}), CharBuffer.wrap(new char[2]), true);

        if (cr.isError() && cr.length() != 2) {

            throw new RuntimeException("decoding unmappable don't return unmmappable(2)");

        }

    }

}