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Java example source code file (TestIBM1364.java)

This example Java source code file (TestIBM1364.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bytebuffer, charbuffer, charsetdecoder, charsetencoder, nio, runtimeexception, string, testibm1364, util

The TestIBM1364.java Java example source code

/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


/* @test
   @bug 6803681
   @summary Test IBM1364
 */

import java.util.Arrays;
import java.nio.*;
import java.nio.charset.*;

public class TestIBM1364 {
    private static String c2bNRStr = "\u00AD\u00B7\u2015\u223C\u2299\uFF5E";
    private static byte[] c2bNRBytes = new byte[] {
        (byte)0x0e,
        (byte)0x41, (byte)0x48,
        (byte)0x41, (byte)0x43,
        (byte)0x41, (byte)0x49,
        (byte)0x42, (byte)0xa1,
        (byte)0x49, (byte)0x6f,
        (byte)0x49, (byte)0x54,
        (byte)0x0f };

    // end at SO
    private static String mixedStr = "\u008d\u008e\u0020\u3000\u3001\u71ba\u3164\u0088\ue757";
    private static byte[] mixedBytes = new byte[] {
         (byte)0x09,
         (byte)0x0a,
         (byte)0x40,
         (byte)0x0e,
         (byte)0x40, (byte)0x40,
         (byte)0x41, (byte)0x41,
         (byte)0x6c, (byte)0x45,
         (byte)0x84, (byte)0x41,
         (byte)0x0f,
         (byte)0x28,
         (byte)0x0e,
         (byte)0xdd, (byte)0xfd,
         (byte)0x0f };

    // end at SI
    private static String mixedStr2 = "\u008d\u008e\u0020\u3000\u3001\u71ba\u3164\u0088";
    private static byte[] mixedBytes2 = new byte[] {
         (byte)0x09,
         (byte)0x0a,
         (byte)0x40,
         (byte)0x0e,
         (byte)0x40, (byte)0x40,
         (byte)0x41, (byte)0x41,
         (byte)0x6c, (byte)0x45,
         (byte)0x84, (byte)0x41,
         (byte)0x0f,
         (byte)0x28 };

    private static byte[][] malformedBytes = {
        { (byte)0x0e,
          (byte)0x039, (byte)0x40,
          (byte)0x0f
        },
        { (byte)0x0e,
          (byte)0x039, (byte)0x42,
          (byte)0x0f
        },
        { (byte)0x0e,
          (byte)0x040, (byte)0x41,
          (byte)0x0f
        },
        { (byte)0x0e,
          (byte)0x040, (byte)0xee,
          (byte)0x0f
        },
        { (byte)0x0e,
          (byte)0x0ef, (byte)0x30,
          (byte)0x0f
        },
        { (byte)0x0e,
          (byte)0x0ff, (byte)0x41,
          (byte)0x0f
        }
    };

    private static byte[][] unmappedBytes = {
        { (byte)0x0e,
          (byte)0x06c, (byte)0x46,
          (byte)0x0f,
        },
        { (byte)0x0e,
          (byte)0x078, (byte)0x46,
          (byte)0x0f,
        },
        { (byte)0x0e,
          (byte)0x083, (byte)0xfe,
          (byte)0x0f,
        },
        { (byte)0xfa },
        { (byte)0xfe },
    };

    public static void main(String[] args) throws Exception {
        if (!(Arrays.equals(mixedStr.getBytes("cp1364"), mixedBytes)) ||
            !mixedStr.equals(new String(mixedBytes, "cp1364")))
            throw new RuntimeException("cp1364 failed on mixed!");

        if (!(Arrays.equals(mixedStr2.getBytes("cp1364"), mixedBytes2)) ||
            !mixedStr2.equals(new String(mixedBytes2, "cp1364")))
            throw new RuntimeException("cp1364 failed on mixed!");

        if (!(Arrays.equals(c2bNRStr.getBytes("cp1364"), c2bNRBytes)) ||
            c2bNRStr.equals(new String(c2bNRBytes, "cp1364")))
            throw new RuntimeException("cp1364 failed on c2bNR!");

        ByteBuffer bb = ByteBuffer.allocateDirect(mixedBytes.length);
        bb.put(mixedBytes).flip();
        CharBuffer cb = Charset.forName("ibm1364").decode(bb);
        if (!mixedStr.equals(new String(cb.toString())))
            throw new RuntimeException("cp1364 failed on direct decod()!");

        bb = ByteBuffer.allocateDirect(mixedBytes2.length);
        bb.put(mixedBytes2).flip();
        cb = Charset.forName("ibm1364").decode(bb);
        if (!mixedStr2.equals(new String(cb.toString())))
            throw new RuntimeException("cp1364 failed on direct decod()!");

        cb = ByteBuffer.allocateDirect(mixedStr.length() * 2).asCharBuffer();
        cb.put(mixedStr.toCharArray()).flip();
        bb = Charset.forName("x-ibm1364").encode(cb);
        if (!(Arrays.equals(Arrays.copyOf(bb.array(), bb.limit()), mixedBytes)))
            throw new RuntimeException("cp1364 failed on direct encode()!");

        cb = ByteBuffer.allocateDirect(mixedStr2.length() * 2).asCharBuffer();
        cb.put(mixedStr2.toCharArray()).flip();
        bb = Charset.forName("x-ibm1364").encode(cb);
        if (!(Arrays.equals(Arrays.copyOf(bb.array(), bb.limit()), mixedBytes2)))
            throw new RuntimeException("cp1364 failed on direct encode()!");

        // malformed
        cb = CharBuffer.allocate(1024);
        CharBuffer cbd = ByteBuffer.allocateDirect(1024).asCharBuffer();
        CharsetDecoder dec = Charset.forName("x-ibm1364").newDecoder();
        for (byte[] ba:malformedBytes) {
            cb.clear();
            dec.reset();
            if (!dec.reset().decode(ByteBuffer.wrap(ba), cb, true).isMalformed() ||
                !dec.reset().decode(ByteBuffer.wrap(ba), cbd, true).isMalformed())
                throw new RuntimeException("cp1364 failed on decode()/malformed!");
        }

        //unmappable
        for (byte[] ba:unmappedBytes) {
            cb.clear();
            dec.reset();
            if (!dec.reset().decode(ByteBuffer.wrap(ba), cb, true).isUnmappable() ||
                !dec.reset().decode(ByteBuffer.wrap(ba), cbd, true).isUnmappable())
                throw new RuntimeException("cp1364 failed on decode()/unmappable!");
        }

        //overflow
        cb.limit(mixedStr.length() - 1);
        cbd.limit(mixedStr.length() - 1);
        if (!dec.reset().decode(ByteBuffer.wrap(mixedBytes), cb, true).isOverflow() ||
            !dec.reset().decode(ByteBuffer.wrap(mixedBytes), cbd, true).isOverflow())
            throw new RuntimeException("cp1364 failed on decode()/overflow!");

        CharsetEncoder enc = Charset.forName("x-ibm1364").newEncoder();
        // last "0x0f" is from flush()
        bb = ByteBuffer.allocate(mixedBytes.length - 2);
        ByteBuffer bbd = ByteBuffer.allocateDirect(mixedBytes.length - 2);
        if (!enc.reset()
                .encode(CharBuffer.wrap(mixedStr.toCharArray()), bb, true)
                .isOverflow() ||
            !enc.reset()
                .encode(CharBuffer.wrap(mixedStr.toCharArray()), bbd, true)
                .isOverflow())
            throw new RuntimeException("cp1364 failed on encode()/overflow!");

        // flush() overflow
        bb = ByteBuffer.allocate(mixedBytes.length - 1);
        bbd = ByteBuffer.allocateDirect(mixedBytes.length - 1);

        enc.reset().encode(CharBuffer.wrap(mixedStr.toCharArray()), bb, true);
        enc.reset().encode(CharBuffer.wrap(mixedStr.toCharArray()), bbd, true);

        if (!enc.flush(bb).isOverflow() ||
            !enc.flush(bbd).isOverflow())
            throw new RuntimeException("cp1364 failed on encode()/flush()/overflow!");
    }
}

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