import java.nio.ByteBuffer;
import java.util.Arrays;

public class YuvFrameTest {
    public static void main(String[] args) throws Exception {
        Class<?> type;
        try { type = Class.forName("br.carinha.rosto.YuvFrame"); }
        catch (ClassNotFoundException e) { throw new AssertionError("Conversão YUV ainda não implementada"); }
        ByteBuffer[] planes = {ByteBuffer.wrap(new byte[]{16,32,0,0,48,64}),
            ByteBuffer.wrap(new byte[]{100,0}), ByteBuffer.wrap(new byte[]{(byte)150,0})};
        byte[] actual = (byte[]) type.getMethod("nv21", int.class, int.class,
            ByteBuffer[].class, int[].class, int[].class).invoke(null, 2, 2, planes,
            new int[]{4,2,2}, new int[]{1,2,2});
        byte[] expected = {16,32,48,64,(byte)150,100};
        if (!Arrays.equals(actual, expected)) throw new AssertionError(Arrays.toString(actual));
        System.out.println("YUV strides -> NV21: OK");
    }
}