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-- F392D00.A

--

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making

--     this public release, the Government intends to confer upon all

--     recipients unlimited rights  equal to those held by the Government.

--     These rights include rights to use, duplicate, release or disclose the

--     released technical data and computer software in whole or in part, in

--     any manner and for any purpose whatsoever, and to have or permit others

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

--

-- FOUNDATION DESCRIPTION:

--      This foundation declares parent tagged types and subprograms for use

--      in tests covering dispatching operations.

--

-- CHANGE HISTORY:

--      06 Dec 94   SAIC    ACVC 2.0

--

--!

package F392D00 is

   type Depth_Of_Field is range 5 .. 100;

   type Shutter_Speed  is (One, Two_Fifty, Four_Hundred, Thousand);

   type Remote_Camera is tagged record

      DOF    : Depth_Of_Field := 10;

      Shutter: Shutter_Speed  := One;

   end record;

   -- ...Other declarations.

   procedure Focus (C     : in out Remote_Camera;

                    Depth : in     Depth_Of_Field);

   procedure Self_Test (C: in out Remote_Camera'Class);

   -- ...Other operations.

private

   procedure Set_Shutter_Speed (C     : in out Remote_Camera;

                                Speed : in     Shutter_Speed);

   -- For the basic remote camera, shutter speed might be set as a function of

   -- focus perhaps, thus it is declared as a private operation (usable

   -- only internally within the abstraction).

end F392D00;

     --==================================================================--

package body F392D00 is

   procedure Focus (C     : in out Remote_Camera;

                    Depth : in     Depth_Of_Field) is

   begin

      -- Artificial for testing purposes.

      C.DOF := 46;

   end Focus;

   -----------------------------------------------------------

   procedure Set_Shutter_Speed (C     : in out Remote_Camera;

                                Speed : in     Shutter_Speed) is

   begin

      -- Artificial for testing purposes.

      C.Shutter := Thousand;

   end Set_Shutter_Speed;

   -----------------------------------------------------------

   procedure Self_Test (C: in out Remote_Camera'Class) is

      TC_Dummy_Depth : constant Depth_Of_Field := 23;

      TC_Dummy_Speed : constant Shutter_Speed  := Four_Hundred;

   begin

      -- Test focus at various depths:

      Focus(C, TC_Dummy_Depth);

      -- ...Additional calls to Focus.

      -- Test various shutter speeds:

      Set_Shutter_Speed(C, TC_Dummy_Speed);

      -- ...Additional calls to Set_Shutter_Speed.

   end Self_Test;

end F392D00;