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+-- C341A02.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 class-wide objects can be reassigned with objects from
+ -- the same specific type used to initialize them.
+ --
+ -- TEST DESCRIPTION:
+ -- Define new objects of specific types from within a class. Reassign
+ -- previously declared class-wide objects with the new specific type
+ -- objects. Check that new assignments were performed.
+ --
+ -- The particular root and extended types used in this abstraction are
+ -- defined in foundation code (F341A00.A), and are graphically displayed
+ -- as follows:
+ --
+ -- package Bank
+ -- type Account
+ -- |
+ -- |
+ -- |
+ -- package Checking
+ -- type Account
+ -- |
+ -- |
+ -- |
+ -- package Interest_Checking
+ -- type Account
+ --
+ -- TEST FILES:
+ -- This test depends on the following foundation code:
+ --
+ -- F341A00.A
+ --
+ -- The following files comprise this test:
+ --
+ -- => C341A02.A
+ --
+ --
+-- CHANGE HISTORY:
+-- 06 Dec 94 SAIC ACVC 2.0
+--
+ --!
+
+ with F341A00_0; -- package Bank
+ with F341A00_1; -- package Checking
+ with F341A00_2; -- package Interest_Checking
+ with Report;
+
+ procedure C341A02 is
+
+ package Bank renames F341A00_0;
+ package Checking renames F341A00_1;
+ package Interest_Checking renames F341A00_2;
+
+ Max_Accts : constant := 3;
+ Bank_Balance : Bank.Dollar_Amount := 0.00;
+
+ -- Define and initialize objects of specific types.
+ B_Acct : aliased Bank.Account := (Current_Balance => 10.00);
+ C_Acct : aliased Checking.Account := (100.00, 10.00);
+ IC_Acct : aliased Interest_Checking.Account := (1000.00, 10.00, 0.030);
+ New_B_Acct : aliased Bank.Account := (Current_Balance => 20.00);
+ New_C_Acct : aliased Checking.Account := (200.00, 20.00);
+ New_IC_Acct : aliased Interest_Checking.Account := (2000.00, 20.00, 0.060);
+
+
+ -- Define and initialize (by direct assignment) objects of a class-wide
+ -- type originating from the root type (Bank.Account).
+
+ type ATM_Card is access all Bank.Account'Class;
+
+ Accounts : array (1 .. Max_Accts) of ATM_Card :=
+ (1 => B_Acct'Access, 2 => C_Acct'Access, 3 => IC_Acct'Access);
+
+ New_Accounts : array (1 .. Max_Accts) of ATM_Card :=
+ (1 => New_B_Acct'Access,
+ 2 => New_C_Acct'Access,
+ 3 => New_IC_Acct'Access);
+
+ -- Define an account auditing procedure with a class-wide
+ -- variable that can hold a value of any object within the class,
+ -- and once initialized, can hold other values of the same specific type.
+
+ procedure Audit (Num : in integer;
+ Amt : out Bank.Dollar_Amount) is
+ Account_Being_Audited : Bank.Account'Class := Accounts(Num).all;
+ use type Bank.Dollar_Amount;
+ begin
+ Amt := Account_Being_Audited.Current_Balance;
+ -- Reassign class-wide variable to another object of the type used to
+ -- initialize it.
+ Account_Being_Audited := New_Accounts(Num).all;
+ Amt := Amt + Account_Being_Audited.Current_Balance; -- Reading OUT
+ end Audit; -- parameter.
+
+
+ begin
+
+ Report.Test ("C341A02", "Check that class-wide objects can be " &
+ "reassigned with objects from the same " &
+ "specific type used to initialize them" );
+ Night_Audit:
+ declare
+ use type Bank.Dollar_Amount;
+ Acct_Value : Bank.Dollar_Amount := 0.00;
+ begin
+ -- Perform nightly audit of total funds on deposit in bank.
+ for i in 1 .. Max_Accts loop
+ Audit (i, Acct_Value);
+ Bank_Balance := Bank_Balance + Acct_Value;
+ end loop;
+
+ if Bank_Balance /= 3330.00 then
+ Report.Failed ("Class-wide object processing failed");
+ end if;
+
+ end Night_Audit;
+
+ Report.Result;
+
+ end C341A02;
+