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

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 *

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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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/* @test

   @bug 6379808

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

 */

import sun.io.*;

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.

        CharToByteConverter cb834 = CharToByteConverter.getConverter("Cp834");

        ByteToCharConverter bc834 = ByteToCharConverter.getConverter("Cp834");

        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 Exception("SBCS is supported in IBM834 decoder");

                    if (enc834.canEncode(c))

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

                    boolean isMalformed = false;

                    int ret = 0;

                    bc834.reset();

                    try {

                        ret = bc834.convert(ba, 0, 1, ca, 0, 1);

                    } catch (sun.io.MalformedInputException x) { isMalformed = true; }

                    if (!isMalformed && ret != 0 && ca[0] != '\ufffd') {

                        // three scenarios (1)malformed (2)held as an incomplete

                        // input or (3)return replacement all mean "no sbcs"

                        throw new Exception("SBCS is supported in Cp834 b2c");

                    }

                    if (cb834.canConvert(c))

                        throw new Exception("SBCS can be converted in Cp834 c2b ");

                    ca[0] = c;

                    if (cb834.convert(ca, 0, 1, ba2, 0, 2) != 2 ||

                        ba2[0] != (byte)0xfe || ba2[1] != (byte)0xfe) {

                        throw new Exception("SBCS is supported in Cp834 c2b");

                    }

                }

            }

        }

    }

}