Use QSample::isCached instead of relying on pointers. Also added a test for loading an invalid file. Change-Id: I9f4f1e8c3dc3cdb4a88a756cc6cad85e68c3a1b6 Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
Change-Id: I4dbd54822f246ba9a69ab85897a4c983b7c17561 Reviewed-by: Ling Hu <ling.hu@nokia.com> Reviewed-by: Michael Goddard <michael.goddard@nokia.com>