/*

 * Copyright (c) 2015, 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

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 */

import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.UnsupportedAudioFileException;

/**

 * @test

 * @bug 8133677

 * @summary Subsequent read from the same stream should work

 */

public final class RepeatedFormatReader {

    // Stubs

    private static byte[] headerMIDI = {0x4d, 0x54, 0x68, 0x64, // MThd

                                        0, 0, 0, 6, // read header length

                                        0, 0, // type

                                        0, 0, // numtracks

                                        0, 1, // timing

    };

    private static byte[] headerAU = {0x2e, 0x73, 0x6e, 0x64, // AU_SUN_MAGIC

                                      0, 0, 0, 24, // headerSize

                                      0, 0, 0, 0, // dataSize

                                      0, 0, 0, 1, // encoding

                                      0, 0, 0, 1, // sampleRate

                                      0, 0, 0, 1  // channels

    };

    private static byte[] headerWAV = {0x52, 0x49, 0x46, 0x46, // RIFF_MAGIC

                                       1, 1, 1, 1, // fileLength

                                       0x57, 0x41, 0x56, 0x45, //  waveMagic

                                       0x66, 0x6d, 0x74, 0x20, // FMT_MAGIC

                                       3, 0, 0, 0, // length

                                       1, 0, // wav_type  WAVE_FORMAT_PCM

                                       0, 1, // channels

                                       0, 0, 0, 0, // sampleRate

                                       0, 0, 0, 0, // avgBytesPerSec

                                       0, 0, // blockAlign

                                       1, 0, // sampleSizeInBits

                                       0x64, 0x61, 0x74, 0x61, // DATA_MAGIC

                                       0, 0, 0, 0, // dataLength

    };

    private static final byte[][] data = {headerMIDI, headerAU, headerWAV};

    public static void main(final String[] args)

            throws IOException, UnsupportedAudioFileException {

        for (final byte[] bytes : data) {

            test(bytes);

        }

    }

    private static void test(final byte[] buffer)

            throws IOException, UnsupportedAudioFileException {

        final InputStream is = new ByteArrayInputStream(buffer);

        for (int i = 0; i < 10; ++i) {

            AudioSystem.getAudioFileFormat(is);

        }

    }

}