/*

 * 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.

 *

 */

/* @test

 * @summary Unit test for ISR/OSW constructors that take coders

 */

import java.io.*;

import java.nio.*;

import java.nio.charset.*;

public class IOCoders {

    static Charset ascii = Charset.forName("US-ASCII");

    static void isrPositive() throws Exception {

        ByteArrayInputStream bis

            = new ByteArrayInputStream(new byte[] { (byte)'h', (byte)'i' });

        InputStreamReader isr

            = new InputStreamReader(bis,

                                    ascii.newDecoder()

                                    .onMalformedInput(CodingErrorAction.REPORT)

                                    .onUnmappableCharacter(CodingErrorAction.REPORT));

        BufferedReader br = new BufferedReader(isr);

        if (!br.readLine().equals("hi"))

            throw new Exception();

    }

    static void isrNegative() throws Exception {

        ByteArrayInputStream bis

            = new ByteArrayInputStream(new byte[] { (byte)0xff, (byte)0xff });

        InputStreamReader isr

            = new InputStreamReader(bis,

                                    ascii.newDecoder()

                                    .onMalformedInput(CodingErrorAction.REPORT)

                                    .onUnmappableCharacter(CodingErrorAction.REPORT));

        BufferedReader br = new BufferedReader(isr);

        try {

            br.readLine();

        } catch (MalformedInputException x) {

            return;

        }

        throw new Exception();

    }

    static void oswPositive() throws Exception {

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        OutputStreamWriter osw

            = new OutputStreamWriter(bos,

                                     ascii.newEncoder()

                                     .onMalformedInput(CodingErrorAction.REPORT)

                                     .onUnmappableCharacter(CodingErrorAction.REPORT));

        osw.write("hi");

        osw.close();

        if (!ascii.decode(ByteBuffer.wrap(bos.toByteArray()))

            .toString().equals("hi"))

            throw new Exception();

    }

    static void oswNegative() throws Exception {

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        OutputStreamWriter osw

            = new OutputStreamWriter(bos,

                                     ascii.newEncoder()

                                     .onMalformedInput(CodingErrorAction.REPORT)

                                     .onUnmappableCharacter(CodingErrorAction.REPORT));

        try {

            osw.write("\u00A0\u00A1");

        } catch (UnmappableCharacterException x) {

            return;

        }

        throw new Exception();

    }

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

        isrPositive();

        isrNegative();

        oswPositive();

        oswNegative();

    }

}