/*

 * 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.

 *

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 */

/* @test

   @bug 5101128

   @summary Check behavior of CharsetDecoder.decode when overflow occurs

   @author Martin Buchholz

 */

import java.util.*;

import java.nio.*;

import java.nio.charset.*;

public class DecoderOverflow {

    static int failures = 0;

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

        for (String csn : Charset.availableCharsets().keySet()) {

            try {

                test(csn);

            } catch (Throwable t) {

                System.out.println(csn);

                t.printStackTrace();

                failures++;

            }

        }

        if (failures > 0)

            throw new Exception(failures + " charsets failed");

    }

    static void test(String encoding) throws Exception {

        String text = "Vote for Duke!";

        Charset cs = Charset.forName(encoding);

        if (! cs.canEncode() || ! cs.newEncoder().canEncode('.')) return;

        ByteBuffer in = ByteBuffer.wrap(text.getBytes(encoding));

        CharBuffer out = CharBuffer.allocate(text.length()/2);

        CoderResult result = cs.newDecoder().decode(in, out, true);

        if (out.hasRemaining() || ! result.isOverflow())

            throw new Exception

                ("out.hasRemaining()=" + out.hasRemaining() +

                 " result.isOverflow()=" + result.isOverflow() +

                 " in.capacity()=" + in.capacity() +

                 " encoding=" + encoding);

    }

}