201 lines
6.4 KiB
Plaintext
201 lines
6.4 KiB
Plaintext
-- F392A00.A
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--
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-- Grant of Unlimited Rights
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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--
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-- DISCLAIMER
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- FOUNDATION DESCRIPTION:
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-- This foundation provides a basis for tests needing a hierarchy of
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-- types to check object-oriented features.
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--
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--!
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package F392A00 is -- package Accounts
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--
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-- Types and subtypes.
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--
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type Dollar_Amount is new Float;
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type Interest_Rate is delta 0.001 range 0.000 .. 1.000;
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type Account_Types is (Bank, Savings, Preferred, Total);
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type Account_Counter is array (Account_Types) of Integer;
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type Account_Rep is (President, Manager, New_Account_Manager, Teller);
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--
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-- Constants.
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--
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Opening_Balance : constant Dollar_Amount := 100.00;
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Current_Rate : constant Interest_Rate := 0.030;
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Preferred_Minimum_Balance : constant Dollar_Amount := 1000.00;
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--
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-- Global Variables
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--
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Bank_Reserve : Dollar_Amount := 0.00;
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Daily_Representative : Account_Rep := New_Account_Manager;
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Number_Of_Accounts : Account_Counter := (Bank => 0,
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Savings => 0,
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Preferred => 0,
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Total => 0);
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--
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-- Account types and their primitive operations.
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--
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-- Root type.
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type Bank_Account is tagged
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record
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Balance : Dollar_Amount;
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end record;
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-- Primitive operations of Bank_Account.
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procedure Increment_Bank_Reserve (Acct : in Bank_Account);
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procedure Assign_Representative (Acct : in Bank_Account);
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procedure Increment_Counters (Acct : in Bank_Account);
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procedure Open (Acct : in out Bank_Account);
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--
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type Savings_Account is new Bank_Account with
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record
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Rate : Interest_Rate;
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end record;
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-- Procedure Increment_Bank_Reserve inherited from parent (Bank_Account).
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-- Primitive operations (Overridden).
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procedure Assign_Representative (Acct : in Savings_Account);
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procedure Increment_Counters (Acct : in Savings_Account);
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procedure Open (Acct : in out Savings_Account);
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--
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type Preferred_Account is new Savings_Account with
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record
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Minimum_Balance : Dollar_Amount;
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end record;
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-- Procedure Increment_Bank_Reserve inherited twice.
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-- Procedure Assign_Representative inherited from parent (Savings_Account).
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-- Primitive operations (Overridden).
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procedure Increment_Counters (Acct : in Preferred_Account);
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procedure Open (Acct : in out Preferred_Account);
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-- Function used to verify Open operation for Preferred_Account objects.
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function Verify_Open (Acct : in Preferred_Account) return Boolean;
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end F392A00;
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--=================================================================--
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package body F392A00 is
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--
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-- Primitive operations for Bank_Account.
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--
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procedure Increment_Bank_Reserve (Acct : in Bank_Account) is
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begin
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Bank_Reserve := Bank_Reserve + Acct.Balance;
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end Increment_Bank_Reserve;
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procedure Assign_Representative (Acct : in Bank_Account) is
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begin
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Daily_Representative := Teller;
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end Assign_Representative;
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procedure Increment_Counters (Acct : in Bank_Account) is
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begin
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Number_Of_Accounts (Bank) := Number_Of_Accounts (Bank) + 1;
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Number_Of_Accounts (Total) := Number_Of_Accounts (Total) + 1;
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end Increment_Counters;
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procedure Open (Acct : in out Bank_Account) is
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begin
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Acct.Balance := Opening_Balance;
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end Open;
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--
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-- Overridden operations for Savings_Account type.
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--
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procedure Assign_Representative (Acct : in Savings_Account) is
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begin
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Daily_Representative := Manager;
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end Assign_Representative;
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procedure Increment_Counters (Acct : in Savings_Account) is
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begin
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Number_Of_Accounts (Savings) := Number_Of_Accounts (Savings) + 1;
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Number_Of_Accounts (Total) := Number_Of_Accounts (Total) + 1;
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end Increment_Counters;
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procedure Open (Acct : in out Savings_Account) is
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begin
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Open (Bank_Account(Acct));
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Acct.Rate := Current_Rate;
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Acct.Balance := 2.0 * Opening_Balance;
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end Open;
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--
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-- Overridden operation for Preferred_Account type.
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--
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procedure Increment_Counters (Acct : in Preferred_Account) is
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begin
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Number_Of_Accounts (Preferred) := Number_Of_Accounts (Preferred) + 1;
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Number_Of_Accounts (Total) := Number_Of_Accounts (Total) + 1;
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end Increment_Counters;
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procedure Open (Acct : in out Preferred_Account) is
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begin
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Open (Savings_Account(Acct));
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Acct.Minimum_Balance := Preferred_Minimum_Balance;
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Acct.Balance := Acct.Minimum_Balance;
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end Open;
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--
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-- Function used to verify Open operation for Preferred_Account objects.
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--
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function Verify_Open (Acct : in Preferred_Account) return Boolean is
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begin
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return (Acct.Balance = Preferred_Minimum_Balance and
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Acct.Rate = Current_Rate and
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Acct.Minimum_Balance = Preferred_Minimum_Balance);
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end Verify_Open;
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end F392A00;
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