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-- CA11C02.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 primitive operations declared in a child package
-- override operations declared in ancestor packages, and that
-- operations on class-wide types defined in the ancestor packages
-- dispatch as appropriate to these overriding implementations.
--
-- TEST DESCRIPTION:
--
-- This test builds on the foundation code file (FA11C00) that contains
-- a parent package, child package, and grandchild package. The parent
-- package declares a tagged type and primitive operation. The child
-- package extends the type, and overrides the primitive operation. The
-- grandchild package does the same.
--
-- The test procedure "withs" the grandchild package, and receives
-- visibility to all of its ancestor packages, types and operations.
-- A procedure with a formal class-wide parameter is defined that will
-- allow for dispatching calls to the overridden primitive operations,
-- based on the specific type of the actual parameter. The primitive
-- operations provide a string value to update a global string array
-- variable. Calls to the local procedure are made, with objects of each
-- of the tagged types as parameters, and the global variable is finally
-- examined to ensure that the correct version of primitive operation was
-- dispatched correctly.
--
-- TEST FILES:
-- This test depends on the following foundation code:
--
-- FA11C00.A
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
with FA11C00_0.FA11C00_1.FA11C00_2; -- Package Animal.Mammal.Primate
with Report;
procedure CA11C02 is
package Animal_Package renames FA11C00_0;
package Mammal_Package renames FA11C00_0.FA11C00_1;
package Primate_Package renames FA11C00_0.FA11C00_1.FA11C00_2;
Max_Animals : constant := 3;
type Data_Base_Type is array (1 .. Max_Animals) of String (1 .. 37);
Zoo_Data_Base : Data_Base_Type := (others => (others => ' '));
-- Global variable.
Macaw : Animal_Package.Animal := (Common_Name => "Scarlet Macaw ",
Weight => 2);
Manatee : Mammal_Package.Mammal := (Common_Name => "Southern Manatee ",
Weight => 230,
Hair_Color => Mammal_Package.Brown);
Lemur : Primate_Package.Primate :=
(Common_Name => "Ring-Tailed Lemur ",
Weight => 5,
Hair_Color => Mammal_Package.Black,
Habitat => Primate_Package.Arboreal);
begin
Report.Test ("CA11C02", "Check that primitive operations declared " &
"in a child package override operations declared " &
"in ancestor packages, and that operations " &
"on class-wide types defined in the ancestor " &
"packages dispatch as appropriate to these " &
"overriding implementations");
declare
use Animal_Package, Mammal_Package, Primate_Package;
-- The following procedure updates the global variable Zoo_Data_Base.
procedure Enter_Data (A : Animal'Class; I : Integer) is
begin
Zoo_Data_Base (I) := Image (A);
end Enter_Data;
begin
-- Verify initial test conditions.
if not (Zoo_Data_Base(1)(1..6) = " ")
or not
(Zoo_Data_Base(2)(1..6) = " ")
or not
(Zoo_Data_Base(3)(1..6) = " ")
then
Report.Failed ("Initial condition failure");
end if;
-- Enter data from all three animals into the zoo database.
Enter_Data (Macaw, 1); -- First entry in database.
Enter_Data (A => Manatee, I => 2); -- Second entry.
Enter_Data (Lemur, I => 3); -- Third entry.
-- Verify the correct version of the overridden function Image was used
-- for entering the specific data.
if not (Zoo_Data_Base(1)(1 .. 6) = "Animal")
or not
(Zoo_Data_Base(1)(26 .. 30) = "Macaw")
then
Report.Failed ("Incorrect version of Image for parent type");
end if;
if not (Zoo_Data_Base(2)(1 .. 6) = "Mammal"
and
Zoo_Data_Base(2)(27 .. 33) = "Manatee")
then
Report.Failed ("Incorrect version of Image for child type");
end if;
if not ((Zoo_Data_Base(3)(1 .. 7) = "Primate")
and
(Zoo_Data_Base(3)(30 .. 34) = "Lemur"))
then
Report.Failed ("Incorrect version of Image for grandchild type");
end if;
end;
Report.Result;
end CA11C02;