/*

 * Copyright (c) 2015, 2017, 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.

 */

import java.io.BufferedInputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.URL;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.util.Arrays;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.UnsupportedAudioFileException;

import javax.sound.sampled.spi.AudioFileReader;

import static java.util.ServiceLoader.load;

/**

 * @test

 * @bug 8131974

 * @summary Short files should be reported as unsupported

 */

public final class ShortHeader {

    private static byte[] W = {-12, 3, 45};

    private static byte[] R = new byte[3];

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

        final File file = Files.createTempFile("audio", "test").toFile();

        try {

            try (final OutputStream fos = new FileOutputStream(file)) {

                fos.write(W);

            }

            testAS(file);

            for (final AudioFileReader afr : load(AudioFileReader.class)) {

                testAFR(afr, file);

            }

        } finally {

            Files.delete(Paths.get(file.getAbsolutePath()));

        }

    }

    /**

     * Tests the part of AudioSystem API, which implemented via

     * AudioFileReader.

     *

     * @see AudioSystem#getAudioFileFormat(InputStream)

     * @see AudioSystem#getAudioFileFormat(File)

     * @see AudioSystem#getAudioFileFormat(URL)

     * @see AudioSystem#getAudioInputStream(InputStream)

     * @see AudioSystem#getAudioInputStream(File)

     * @see AudioSystem#getAudioInputStream(URL)

     */

    private static void testAS(final File file) throws IOException {

        try {

            AudioSystem.getAudioFileFormat(file);

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        try {

            AudioSystem.getAudioFileFormat(file.toURL());

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        try {

            AudioSystem.getAudioInputStream(file);

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        try {

            AudioSystem.getAudioInputStream(file.toURL());

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        //  AudioSystem.getAudioXXX(stream) should properly reset the stream

        try (FileInputStream fis = new FileInputStream(file);

             InputStream stream = new BufferedInputStream(fis)) {

            try {

                AudioSystem.getAudioFileFormat(stream);

                throw new RuntimeException();

            } catch (final UnsupportedAudioFileException ignored) {

            }

            try {

                AudioSystem.getAudioInputStream(stream);

                throw new RuntimeException();

            } catch (final UnsupportedAudioFileException ignored) {

            }

            stream.read(R, 0, R.length);

        }

        if (!Arrays.equals(R, W)) {

            System.err.println("Expected = " + Arrays.toString(W));

            System.err.println("Actual = " + Arrays.toString(R));

            throw new RuntimeException();

        }

    }

    /**

     * Tests the AudioFileReader API directly.

     *

     * @see AudioFileReader#getAudioFileFormat(InputStream)

     * @see AudioFileReader#getAudioFileFormat(File)

     * @see AudioFileReader#getAudioFileFormat(URL)

     * @see AudioFileReader#getAudioInputStream(InputStream)

     * @see AudioFileReader#getAudioInputStream(File)

     * @see AudioFileReader#getAudioInputStream(URL)

     */

    private static void testAFR(final AudioFileReader fcp, final File file)

            throws Exception {

        try {

            fcp.getAudioFileFormat(file);

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        try {

            fcp.getAudioFileFormat(file.toURL());

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        try {

            fcp.getAudioInputStream(file);

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        try {

            fcp.getAudioInputStream(file.toURL());

            throw new RuntimeException();

        } catch (final UnsupportedAudioFileException ignored) {

        }

        // AudioFileReader should properly reset the stream

        try (FileInputStream fis = new FileInputStream(file);

             InputStream stream = new BufferedInputStream(fis)) {

            try {

                fcp.getAudioFileFormat(stream);

                throw new RuntimeException();

            } catch (final UnsupportedAudioFileException ignored) {

            }

            try {

                fcp.getAudioInputStream(stream);

                throw new RuntimeException();

            } catch (final UnsupportedAudioFileException ignored) {

            }

            stream.read(R, 0, R.length);

        }

        if (!Arrays.equals(R, W)) {

            System.err.println("Expected = " + Arrays.toString(W));

            System.err.println("Actual = " + Arrays.toString(R));

            throw new RuntimeException();

        }

    }

}