NewModelByteBufferByteArrayIntInt.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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/* @test
   @summary Test ModelByteBuffer(byte[],int,int) constructor
   @modules java.desktop/com.sun.media.sound
*/

import java.io.File;
import java.io.FileOutputStream;
import java.nio.file.Files;
import java.nio.file.Paths;

import javax.sound.sampled.*;

import com.sun.media.sound.*;

public class NewModelByteBufferByteArrayIntInt {

    static float[] testarray;
    static byte[] test_byte_array;
    static File test_file;
    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);

    static void setUp() throws Exception {
        testarray = new float[1024];
        for (int i = 0; i < 1024; i++) {
            double ii = i / 1024.0;
            ii = ii * ii;
            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
            testarray[i] *= 0.3;
        }
        test_byte_array = new byte[testarray.length*2];
        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
        test_file = File.createTempFile("test", ".raw");
        try (FileOutputStream fos = new FileOutputStream(test_file)) {
            fos.write(test_byte_array);
        }
    }

    static void tearDown() throws Exception {
        Files.delete(Paths.get(test_file.getAbsolutePath()));
    }

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

            ModelByteBuffer buff = new ModelByteBuffer(test_byte_array,10,20);
            if(buff.array() != test_byte_array)
                throw new RuntimeException("buff.array() incorrect!");
            if(buff.capacity() != 20)
                throw new RuntimeException("buff.capacity() not 20!");
            if(buff.arrayOffset() != 10)
                throw new RuntimeException("buff.arrayOffset() not 10!");
            if(buff.getFile() != null)
                throw new RuntimeException("buff.getFile() not null!");
        }
        finally
        {
            tearDown();
        }
    }

}