/*

 * Copyright (c) 2008, 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 6419791

 * @summary

 * @author Martin Buchholz

 */

import java.io.*;

import java.util.*;

import java.nio.charset.*;

import java.nio.*;

public class ISO8859x {

    final static byte[] lowBytes = new byte[0xa0];

    final static char[] lowChars = new char[0xa0];

    final static String lowString;

    static {

        for (int i = 0; i < 0xa0; i++) {

            lowBytes[i] = (byte) i;

            lowChars[i] = (char) i;

        }

        lowString = new String(lowChars);

    }

    private static void testCharset(Charset cs) throws Throwable {

        String csn = cs.name();

        System.out.println(csn);

        check(cs.canEncode());

        check(Arrays.equals(lowString.getBytes(csn), lowBytes));

        check(new String(lowBytes, csn).equals(lowString));

        CharsetEncoder encoder = cs.newEncoder();

        CharsetDecoder decoder = cs.newDecoder();

        decoder.onUnmappableCharacter(CodingErrorAction.REPORT)

               .onMalformedInput(CodingErrorAction.REPORT);

        encoder.onUnmappableCharacter(CodingErrorAction.REPORT)

               .onMalformedInput(CodingErrorAction.REPORT);

        byte[] bytes = new byte[1];

        for (int c = 0xa0; c < 0x100; c++) {

            try {

                bytes[0] = (byte) c;

                char[] chars;

                try { chars = decoder.decode(ByteBuffer.wrap(bytes)).array(); }

                catch (UnmappableCharacterException x) { continue; }

                equal(chars.length, 1);

                byte[] bytes2 = encoder.encode(CharBuffer.wrap(chars)).array();

                check(Arrays.equals(bytes2, bytes));

            } catch (Throwable t) {

                System.out.printf("cs=%s c=%02x%n", cs, c);

                unexpected(t);

            }

        }

    }

    private static void realMain(String[] args) throws Throwable {

        for (Map.Entry<String,Charset> e

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

            String csn = e.getKey();

            Charset cs = e.getValue();

            if (csn.matches(".*(8859).*"))

                try { testCharset(cs); }

                catch (Throwable t) { unexpected(t); }

        }

    }

    //--------------------- Infrastructure ---------------------------

    static volatile int passed = 0, failed = 0;

    static void pass() {passed++;}

    static void fail() {failed++; Thread.dumpStack();}

    static void fail(String msg) {System.out.println(msg); fail();}

    static void unexpected(Throwable t) {failed++; t.printStackTrace();}

    static void check(boolean cond) {if (cond) pass(); else fail();}

    static void equal(Object x, Object y) {

        if (x == null ? y == null : x.equals(y)) pass();

        else fail(x + " not equal to " + y);}

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

        try {realMain(args);} catch (Throwable t) {unexpected(t);}

        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);

        if (failed > 0) throw new AssertionError("Some tests failed");}

}