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-- C341A04.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 initialized using allocation.
--
-- TEST DESCRIPTION:
-- Declare access types that refer to class-wide types, one with basis
-- of the root type, another with basis of a type extended from the root.
-- Declare objects of these access types, and allocate class-wide
-- objects, initialized to values of specific types within the particular
-- classes.
--
-- 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:
--
-- => C341A04.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 C341A04 is
package Bank renames F341A00_0;
package Checking renames F341A00_1;
package Interest_Checking renames F341A00_2;
use type Bank.Dollar_Amount;
Max_Accts : constant := 3;
Bank_Balance : Bank.Dollar_Amount := 0.00;
-- Define access types referring to class of types rooted at
-- Bank.Account (root).
type Bank_Account_Pointer is access Bank.Account'Class;
--
-- Define class-wide objects, initializing them through allocation.
--
-- Initialized to specific type that is basis of class.
Bank_Acct : Bank_Account_Pointer :=
new Bank.Account'(Current_Balance => 10.00);
-- Initialized to specific type that has been extended from the basis
-- of the class.
Checking_Acct : Bank_Account_Pointer :=
new Checking.Account'(Current_Balance => 100.00,
Overdraft_Fee => 10.00);
-- Initialized to specific type that has been twice extended from the
-- basis of the class.
IC_Acct : Bank_Account_Pointer :=
new Interest_Checking.Account'(Current_Balance => 1000.00,
Overdraft_Fee => 10.00,
Rate => 0.030);
-- Declare and initialize array of pointers to objects of
-- Bank.Account'Class.
Accounts : array (1 .. Max_Accts) of Bank_Account_Pointer :=
(Bank_Acct, Checking_Acct, IC_Acct);
-- Audit will process any account object within Bank.Account'Class.
function Audit (Ptr : Bank_Account_Pointer) return Bank.Dollar_Amount is
begin
return (Ptr.Current_Balance);
end Audit;
begin -- C341A04
Report.Test ("C341A04", "Check that class-wide objects were " &
"successfully initialized using allocation" );
for i in 1 .. Max_Accts loop
Bank_Balance := Bank_Balance + Audit (Accounts(i));
end loop;
if Bank_Balance /= 1110.00 then
Report.Failed ("Failed class-wide object allocation");
end if;
Report.Result;
end C341A04;