The added tests code is to test the return value of
DdsDecoder_GetFrameCount() when decoder is not initialized or
parameter is NULL.
Signed-off-by: Ziqing Hui <zhui@codeweavers.com>
Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>