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-- F392A00.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 provides a basis for tests needing a hierarchy of

--      types to check object-oriented features.

--

-- CHANGE HISTORY:

--      06 Dec 94   SAIC    ACVC 2.0

--

--!

package F392A00 is          -- package Accounts

   --

   -- Types and subtypes.

   --

   type Dollar_Amount  is new Float;

   type Interest_Rate  is delta 0.001 range 0.000 .. 1.000;

   type Account_Types  is (Bank, Savings, Preferred, Total);

   type Account_Counter is array (Account_Types) of Integer;

   type Account_Rep is (President, Manager, New_Account_Manager, Teller);

   --

   -- Constants.

   --

   Opening_Balance           : constant Dollar_Amount := 100.00;

   Current_Rate              : constant Interest_Rate := 0.030;

   Preferred_Minimum_Balance : constant Dollar_Amount := 1000.00;

   --

   -- Global Variables

   --

   Bank_Reserve         : Dollar_Amount   := 0.00;

   Daily_Representative : Account_Rep     := New_Account_Manager;

   Number_Of_Accounts   : Account_Counter := (Bank      => 0,

                                              Savings   => 0,

                                              Preferred => 0,

                                              Total     => 0);

   --

   -- Account types and their primitive operations.

   --

   -- Root type.

   type Bank_Account is tagged

      record

         Balance : Dollar_Amount;

      end record;

   -- Primitive operations of Bank_Account.

   procedure Increment_Bank_Reserve (Acct : in     Bank_Account);

   procedure Assign_Representative  (Acct : in     Bank_Account);

   procedure Increment_Counters     (Acct : in     Bank_Account);

   procedure Open                   (Acct : in out Bank_Account);

   --

   type Savings_Account is new Bank_Account with

      record

         Rate : Interest_Rate;

      end record;

   -- Procedure Increment_Bank_Reserve inherited from parent (Bank_Account).

   -- Primitive operations (Overridden).

   procedure Assign_Representative (Acct : in     Savings_Account);

   procedure Increment_Counters    (Acct : in     Savings_Account);

   procedure Open                  (Acct : in out Savings_Account);

   --

   type Preferred_Account is new Savings_Account with

      record

         Minimum_Balance : Dollar_Amount;

      end record;

   -- Procedure Increment_Bank_Reserve inherited twice.

   -- Procedure Assign_Representative inherited from parent (Savings_Account).

   -- Primitive operations (Overridden).

   procedure Increment_Counters (Acct : in     Preferred_Account);

   procedure Open               (Acct : in out Preferred_Account);

   -- Function used to verify Open operation for Preferred_Account objects.

   function Verify_Open (Acct : in Preferred_Account) return Boolean;

end F392A00;

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

package body F392A00 is

   --

   -- Primitive operations for Bank_Account.

   --

   procedure Increment_Bank_Reserve (Acct : in Bank_Account) is

   begin

      Bank_Reserve := Bank_Reserve + Acct.Balance;

   end Increment_Bank_Reserve;

   procedure Assign_Representative (Acct : in Bank_Account) is

   begin

      Daily_Representative := Teller;

   end Assign_Representative;

   procedure Increment_Counters (Acct : in Bank_Account) is

   begin

      Number_Of_Accounts (Bank)  := Number_Of_Accounts (Bank) + 1;

      Number_Of_Accounts (Total) := Number_Of_Accounts (Total) + 1;

   end Increment_Counters;

   procedure Open (Acct : in out Bank_Account) is

   begin

      Acct.Balance := Opening_Balance;

   end Open;

   --

   -- Overridden operations for Savings_Account type.

   --

   procedure Assign_Representative (Acct : in Savings_Account) is

   begin

      Daily_Representative := Manager;

   end Assign_Representative;

   procedure Increment_Counters (Acct : in Savings_Account) is

   begin

      Number_Of_Accounts (Savings) := Number_Of_Accounts (Savings) + 1;

      Number_Of_Accounts (Total)   := Number_Of_Accounts (Total) + 1;

   end Increment_Counters;

   procedure Open (Acct : in out Savings_Account) is

   begin

      Open (Bank_Account(Acct));

      Acct.Rate := Current_Rate;

      Acct.Balance := 2.0 * Opening_Balance;

   end Open;

   --

   -- Overridden operation for Preferred_Account type.

   --

   procedure Increment_Counters (Acct : in Preferred_Account) is

   begin

      Number_Of_Accounts (Preferred) := Number_Of_Accounts (Preferred) + 1;

      Number_Of_Accounts (Total)     := Number_Of_Accounts (Total) + 1;

   end Increment_Counters;

   procedure Open (Acct : in out Preferred_Account) is

   begin

      Open (Savings_Account(Acct));

      Acct.Minimum_Balance := Preferred_Minimum_Balance;

      Acct.Balance := Acct.Minimum_Balance;

   end Open;

   --

   -- Function used to verify Open operation for Preferred_Account objects.

   --

   function Verify_Open (Acct : in Preferred_Account) return Boolean is

   begin

      return (Acct.Balance         = Preferred_Minimum_Balance and

              Acct.Rate            = Current_Rate              and

              Acct.Minimum_Balance = Preferred_Minimum_Balance);

   end Verify_Open;

end F392A00;