test/javax/sound/midi/Gervill/ModelByteBuffer/LoadAll.java

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 * 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).
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/* @test
   @summary Test ModelByteBuffer loadAll method */

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.sound.sampled.*;

import com.sun.media.sound.*;

public class LoadAll {

    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");
        FileOutputStream fos = new FileOutputStream(test_file);
        fos.write(test_byte_array);
    }

    static void tearDown() throws Exception {
        if(!test_file.delete())
            test_file.deleteOnExit();
    }

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

            ModelByteBuffer buff = new ModelByteBuffer(test_file);
            List<ModelByteBuffer> col = new ArrayList<ModelByteBuffer>();
            col.add(buff);
            ModelByteBuffer.loadAll(col);
            if(buff.array() == null)
                throw new RuntimeException("buf is null!");
            if(buff.array().length != test_byte_array.length)
                throw new RuntimeException("buff.array().length length is incorrect!");
            byte[] b = buff.array();
            for (int i = 0; i < b.length; i++)
                if(test_byte_array[i] != b[i])
                    throw new RuntimeException("buff.array() incorrect!");

        }
        finally
        {
            tearDown();
        }
    }

}