TEST ()

{

  GeglBuffer    *buffer;

  GeglRectangle  rect = {0, 0, 20, 20};

  test_start ();

  buffer = gegl_buffer_new (&rect, babl_format ("Y float"));

  checkerboard (buffer, 3, 0.0, 1.0);

  print_buffer (buffer);

  g_object_unref (buffer);

  test_end ();

}