old-autovect-branch/gcc/testsuite/ada/acats/support/f392d00.a

   1 -- F392D00.A
   2 --
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 --
  26 -- FOUNDATION DESCRIPTION:
  27 --      This foundation declares parent tagged types and subprograms for use
  28 --      in tests covering dispatching operations.
  29 --
  30 -- CHANGE HISTORY:
  31 --      06 Dec 94   SAIC    ACVC 2.0
  32 --
  33 --!
  34
  35 package F392D00 is
  36
  37    type Depth_Of_Field is range 5 .. 100;
  38    type Shutter_Speed  is (One, Two_Fifty, Four_Hundred, Thousand);
  39
  40    type Remote_Camera is tagged record
  41       DOF    : Depth_Of_Field := 10;
  42       Shutter: Shutter_Speed  := One;
  43    end record;
  44
  45    -- ...Other declarations.
  46
  47    procedure Focus (C     : in out Remote_Camera;
  48                     Depth : in     Depth_Of_Field);
  49
  50    procedure Self_Test (C: in out Remote_Camera'Class);
  51
  52    -- ...Other operations.
  53
  54 private
  55
  56    procedure Set_Shutter_Speed (C     : in out Remote_Camera;
  57                                 Speed : in     Shutter_Speed);
  58
  59    -- For the basic remote camera, shutter speed might be set as a function of
  60    -- focus perhaps, thus it is declared as a private operation (usable
  61    -- only internally within the abstraction).
  62
  63
  64 end F392D00;
  65
  66
  67      --==================================================================--
  68
  69
  70 package body F392D00 is
  71
  72    procedure Focus (C     : in out Remote_Camera;
  73                     Depth : in     Depth_Of_Field) is
  74    begin
  75       -- Artificial for testing purposes.
  76       C.DOF := 46;
  77    end Focus;
  78
  79    -----------------------------------------------------------
  80    procedure Set_Shutter_Speed (C     : in out Remote_Camera;
  81                                 Speed : in     Shutter_Speed) is
  82    begin
  83       -- Artificial for testing purposes.
  84       C.Shutter := Thousand;
  85    end Set_Shutter_Speed;
  86
  87    -----------------------------------------------------------
  88    procedure Self_Test (C: in out Remote_Camera'Class) is
  89       TC_Dummy_Depth : constant Depth_Of_Field := 23;
  90       TC_Dummy_Speed : constant Shutter_Speed  := Four_Hundred;
  91    begin
  92
  93       -- Test focus at various depths:
  94       Focus(C, TC_Dummy_Depth);
  95       -- ...Additional calls to Focus.
  96
  97       -- Test various shutter speeds:
  98       Set_Shutter_Speed(C, TC_Dummy_Speed);
  99       -- ...Additional calls to Set_Shutter_Speed.
 100
 101    end Self_Test;
 102
 103 end F392D00;