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-- C393A06.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 a type that inherits abstract operations but
-- overrides each of these operations is not required to be
-- abstract, and that objects of the type and its class-wide type
-- may be declared and passed in calls to the overriding
-- subprograms.
--
-- TEST DESCRIPTION:
-- This test derives a type from the root abstract type available
-- in foundation F393A00. It declares subprograms as required by
-- the language to override the abstract subprograms, allowing the
-- derived type itself to be not abstract. It also declares
-- operations on the new type, as well as on the associated class-
-- wide type. The main program then uses two objects of the type
-- and two objects of the class-wide type as parameters for each of
-- the subprograms. Correct execution is determined by path
-- analysis and value checking.
--
-- TEST FILES:
-- The following files comprise this test:
--
-- F393A00.A (foundation code)
-- C393A06.A
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 19 Dec 94 SAIC Removed RM references from objective text.
--
--!
with F393A00_1;
package C393A06_0 is
type Organism is new F393A00_1.Object with private;
type Kingdoms is ( Animal, Vegetable, Unspecified );
procedure Swap( A,B: in out Organism );
function Create return Organism;
procedure Initialize( The_Entity : in out Organism;
In_The_Kingdom : Kingdoms );
function Kingdom( Of_The_Entity : Organism ) return Kingdoms;
procedure TC_Check( An_Entity : Organism'Class;
In_Kingdom : Kingdoms;
Initialized : Boolean );
Incompatible : exception;
private
type Organism is new F393A00_1.Object with
record
In_Kingdom : Kingdoms;
end record;
end C393A06_0;
with F393A00_0;
package body C393A06_0 is
procedure Swap( A,B: in out Organism ) is
begin
F393A00_0.TC_Touch( 'A' ); ------------------------------------------- A
if A.In_Kingdom /= B.In_Kingdom then
F393A00_0.TC_Touch( 'X' );
raise Incompatible;
else
declare
T: constant Organism := A;
begin
A := B;
B := T;
end;
end if;
end Swap;
function Create return Organism is
Widget : Organism;
begin
F393A00_0.TC_Touch( 'B' ); ------------------------------------------- B
Initialize( Widget );
Widget.In_Kingdom := Unspecified;
return Widget;
end Create;
procedure Initialize( The_Entity : in out Organism;
In_The_Kingdom : Kingdoms ) is
begin
F393A00_0.TC_Touch( 'C' ); ------------------------------------------- C
F393A00_1.Initialize( F393A00_1.Object( The_Entity ) );
The_Entity.In_Kingdom := In_The_Kingdom;
end Initialize;
function Kingdom( Of_The_Entity : Organism ) return Kingdoms is
begin
F393A00_0.TC_Touch( 'D' ); ------------------------------------------- D
return Of_The_Entity.In_Kingdom;
end Kingdom;
procedure TC_Check( An_Entity : Organism'Class;
In_Kingdom : Kingdoms;
Initialized : Boolean ) is
begin
if F393A00_1.Initialized( An_Entity ) /= Initialized then
F393A00_0.TC_Touch( '-' ); ------------------------------------------- -
elsif An_Entity.In_Kingdom /= In_Kingdom then
F393A00_0.TC_Touch( '!' ); ------------------------------------------- !
else
F393A00_0.TC_Touch( '+' ); ------------------------------------------- +
end if;
end TC_Check;
end C393A06_0;
with Report;
with C393A06_0;
with F393A00_0;
with F393A00_1;
procedure C393A06 is
package Darwin renames C393A06_0;
package Tagger renames F393A00_0;
package Objects renames F393A00_1;
Lion : Darwin.Organism;
Tigerlily : Darwin.Organism;
Bear : Darwin.Organism'Class := Darwin.Create;
Sunflower : Darwin.Organism'Class := Darwin.Create;
use type Darwin.Kingdoms;
begin -- Main test procedure.
Report.Test ("C393A06", "Check that a type that inherits abstract "
& "operations but overrides each of these "
& "operations is not required to be abstract. "
& "Check that objects of the type and its "
& "class-wide type may be declared and passed "
& "in calls to the overriding subprograms" );
Tagger.TC_Validate( "BaBa", "Declaration Initializations" );
Darwin.Initialize( Lion, Darwin.Animal );
Darwin.Initialize( Tigerlily, Darwin.Vegetable );
Darwin.Initialize( Bear, Darwin.Animal );
Darwin.Initialize( Sunflower, Darwin.Vegetable );
Tagger.TC_Validate( "CaCaCaCa", "Initialization sequence" );
Oh_My: begin
Darwin.Swap( Lion, Darwin.Organism( Bear ) );
Darwin.Swap( Lion, Tigerlily );
Report.Failed("Exception not raised");
exception
when Darwin.Incompatible => null;
end Oh_My;
Tagger.TC_Validate( "AAX", "Swap sequence" );
if Darwin.Kingdom( Darwin.Create ) = Darwin.Unspecified then
Darwin.Swap( Sunflower, Darwin.Organism'Class( Tigerlily ) );
end if;
Tagger.TC_Validate( "BaDA", "Vegetable swap sequence" );
Darwin.TC_Check( Lion, Darwin.Animal, True );
Darwin.TC_Check( Tigerlily, Darwin.Vegetable, True );
Darwin.TC_Check( Bear, Darwin.Animal, True );
Darwin.TC_Check( Sunflower, Darwin.Vegetable, True );
Tagger.TC_Validate( "b+b+b+b+", "Final sequence" );
Report.Result;
end C393A06;