@Test
public void testReturnsNewBitmap() {

    Bitmap bitmap = Bitmap.createBitmap(400, 400, Bitmap.Config.ARGB_8888);
    Matrix matrix = new Matrix();
    matrix.postScale(.5f, 1f);
    MatrixProcessor processor = new MatrixProcessor(matrix);
    Bitmap result = processor.process(bitmap);
    Assert.assertNotNull(result);
    Assert.assertNotSame(bitmap, result);
}