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/*

 * @test

 * @bug 8008386

 * @summary (cs) Unmappable leading should be decoded to replacement.

 *          Tests for Shift_JIS and MS932 decoding

 * @modules jdk.charsets

 * @run main TestUnmappable

 */

import java.nio.charset.Charset;

public class TestUnmappable {

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

        // illegal leading character test

        byte[][] inputBytes = {

                               // Shift_JIS

                               {(byte)0xce, (byte)0xa0, (byte)0xce, (byte)0x7a},

                               // MS932

                               {(byte)0x3c, (byte)0x21, (byte)0x2d, (byte)0x2d,

                                (byte)0xe5, (byte)0xaf, (byte)0xbe, (byte)0xe5,

                                (byte)0xbf, (byte)0x9c, (byte)0x2d, (byte)0x2d,

                                (byte)0x3e, (byte)0xd,  (byte)0xa },

                               {(byte)0x81, (byte)0xad},

                               // PCK

                               {(byte)0xef, (byte)0x90},

                               {(byte)0x91, (byte)0xfd}

                              };

        String[] charsets = { "Shift_JIS", "MS932", "PCK" };

        String[] expectedStrings = {

                                    // Shift_JIS

                                    "0xce 0x3f 0xce 0x7a ",

                                    // MS932

                                    "0x3c 0x21 0x2d 0x2d 0xe5 0xaf 0xbe 0xe5 0xbf " +

                                    "0x3f 0x2d 0x2d 0x3e 0xd 0xa ",

                                    "0x3f 0xad ",

                                    // PCK

                                    "0x3f 0x3f ",

                                    "0x3f "};

        for (int i = 0; i < charsets.length; i++) {

            String ret = new String(inputBytes[i], charsets[i]);

            String bString = getByteString(ret.getBytes(Charset.forName(charsets[i])));

            if (expectedStrings[i].length() != bString.length()

               || ! expectedStrings[i].equals(bString)){

                throw new Exception("ByteToChar for " + charsets[i]

                    + " does not work correctly.\n" +

                    "Expected: " + expectedStrings[i] + "\n" +

                    "Received: " + bString);

            }

        }

    }

    private static String getByteString(byte[] bytes) {

        StringBuffer sb = new StringBuffer();

        for (int i = 0; i < bytes.length; i++) {

            sb.append("0x" + Integer.toHexString((int)(bytes[i] & 0xFF)) + " ");

        }

        return sb.toString();

    }

}