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+-- C3A0004.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.
+--*
+ --
+ -- OBJECTIVE: 
+ --      Check that access to subprogram may be stored within array 
+ --      objects, and that the access to subprogram can subsequently 
+ --      be called. 
+ -- 
+ -- TEST DESCRIPTION:
+ --      Declare an access to procedure type in a package specification.  
+ --      Declare an array of the access type.  Declare three different 
+ --      procedures that can be referred to by the access to procedure type.  
+ --
+ --      In the main program, build the array by dereferencing the access 
+ --      value.
+ --
+ --
+-- CHANGE HISTORY:
+--      06 Dec 94   SAIC    ACVC 2.0
+--
+ --!
+ 
+ with Report;
+ 
+ procedure C3A0004 is
+ 
+    Left_Turn   : Integer  := 1;
+ 
+    Right_Turn  : Integer  := 1;
+ 
+    Center_Turn : Integer  := 1;
+ 
+    -- Type accesses to any procedure
+    type Action_Ptr is access procedure;
+    
+    -- Array of access to procedure
+    type Action_Array is array (Integer range <>) of Action_Ptr;
+ 
+ 
+    procedure Rotate_Left is
+    begin
+       Left_Turn := 2;
+    end Rotate_Left;
+ 
+ 
+    procedure Rotate_Right is
+    begin
+       Right_Turn := 3;
+    end Rotate_Right;
+ 
+ 
+    procedure Center is
+    begin
+       Center_Turn := 0;
+    end Center;
+ 
+ 
+ begin
+ 
+    Report.Test ("C3A0004", "Check that access to subprogram may be "
+                          & "stored within data structures, and that the "
+                          & "access to subprogram can subsequently be called");
+ 
+    ------------------------------------------------------------------------
+ 
+    declare
+       Total_Actions   : constant := 3;
+       Action_Sequence : Action_Array (1 .. Total_Actions);
+ 
+    begin
+ 
+       -- Build the action sequence
+       Action_Sequence := (Rotate_Left'Access, Center'Access,
+                           Rotate_Right'Access);
+ 
+       -- Assign actions by invoking subprogram designated by access value
+       for I in Action_Sequence'Range loop
+          Action_Sequence(I).all;
+       end loop;
+ 
+       If Left_Turn /= 2 or Right_Turn /= 3
+          or Center_Turn /= 0 then
+             Report.Failed ("Incorrect Action sequence result");
+       end if;
+ 
+     end;
+ 
+    ------------------------------------------------------------------------
+ 
+    Report.Result;
+ 
+ end C3A0004;
+