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-- CA13A02.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 subunits declared in generic child units of a public
-- parent have the same visibility into its parent, its siblings
-- (public and private), and packages on which its parent depends
-- as is available at the point of their declaration.
--
-- TEST DESCRIPTION:
-- Declare an outside elevator button operation as a subunit in a
-- generic child package of the basic operation package (FA13A00.A).
-- This procedure has visibility into its parent ancestor and its
-- private sibling.
--
-- In the main program, instantiate the child package. Check that
-- subunits perform as expected.
--
-- TEST FILES:
-- The following files comprise this test:
--
-- FA13A00.A
-- CA13A02.A
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
-- Public generic child package of an elevator application. This package
-- provides outside elevator button operations.
generic -- Instantiate once for each floor.
Our_Floor : in Floor; -- Reference type declared in parent.
package FA13A00_1.CA13A02_4 is -- Outside Elevator Button Operations
type Light is (Up, Down, Express, Off);
type Direction is (Up, Down, Express);
function Call_Elevator (D : Direction) return Light;
-- other type definitions and procedure declarations in real application.
end FA13A00_1.CA13A02_4;
--==================================================================--
-- Context clauses required for visibility needed by separate subunit.
with FA13A00_0; -- Building Manager
with FA13A00_1.FA13A00_2; -- Floor Calculation (private)
with FA13A00_1.FA13A00_3; -- Move Elevator
use FA13A00_0;
package body FA13A00_1.CA13A02_4 is
function Call_Elevator (D : Direction) return Light is separate;
end FA13A00_1.CA13A02_4;
--==================================================================--
separate (FA13A00_1.CA13A02_4)
-- Subunit Call_Elevator declared in Outside Elevator Button Operations.
function Call_Elevator (D : Direction) return Light is
Elevator_Button : Light;
begin
-- See if power is on.
if Power = Off then -- Reference package with'ed by
Elevator_Button := Off; -- the subunit parent's body.
else
case D is
when Express =>
FA13A00_1.FA13A00_3.Move_Elevator -- Reference public sibling of
(Penthouse, Call_Waiting); -- the subunit parent's body.
Elevator_Button := Express;
when Up =>
if Current_Floor < Our_Floor then
FA13A00_1.FA13A00_2.Up -- Reference private sibling of
(Floor'pos (Our_Floor) -- the subunit parent's body.
- Floor'pos (Current_Floor));
else
FA13A00_1.FA13A00_2.Down -- Reference private sibling of
(Floor'pos (Current_Floor) -- the subunit parent's body.
- Floor'pos (Our_Floor));
end if;
-- Call elevator.
Call
(Current_Floor, Call_Waiting); -- Reference subprogram declared
-- in the parent of the subunit
-- parent's body.
Elevator_Button := Up;
when Down =>
if Current_Floor > Our_Floor then
FA13A00_1.FA13A00_2.Down -- Reference private sibling of
(Floor'pos (Current_Floor) -- the subunit parent's body.
- Floor'pos (Our_Floor));
else
FA13A00_1.FA13A00_2.Up -- Reference private sibling of
(Floor'pos (Our_Floor) -- the subunit parent's body.
- Floor'pos (Current_Floor));
end if;
Elevator_Button := Down;
-- Call elevator.
Call
(Current_Floor, Call_Waiting); -- Reference subprogram declared
-- in the parent of the subunit
-- parent's body.
end case;
if not Call_Waiting (Current_Floor) -- Reference private part of the
then -- parent of the subunit parent's
-- body.
TC_Operation := false;
end if;
end if;
return Elevator_Button;
end Call_Elevator;
--==================================================================--
with FA13A00_1.CA13A02_4; -- Outside Elevator Button Operations
-- implicitly with Basic Elevator
-- Operations
with Report;
procedure CA13A02 is
begin
Report.Test ("CA13A02", "Check that subunits declared in generic child " &
"units of a public parent have the same visibility into " &
"its parent, its parent's siblings, and packages on " &
"which its parent depends");
-- Going from floor one to penthouse.
Going_To_Penthouse:
declare
-- Declare instance of the child generic elevator package for penthouse.
package Call_Elevator_Pkg is new FA13A00_1.CA13A02_4
(FA13A00_1.Penthouse);
use Call_Elevator_Pkg;
Call_Button_Light : Light;
begin
Call_Button_Light := Call_Elevator (Express);
if not FA13A00_1.TC_Operation or Call_Button_Light /= Express then
Report.Failed ("Incorrect elevator operation going to penthouse");
end if;
end Going_To_Penthouse;
-- Going from penthouse to basement.
Going_To_Basement:
declare
-- Declare instance of the child generic elevator package for basement.
package Call_Elevator_Pkg is new FA13A00_1.CA13A02_4
(FA13A00_1.Basement);
use Call_Elevator_Pkg;
Call_Button_Light : Light;
begin
Call_Button_Light := Call_Elevator (Down);
if not FA13A00_1.TC_Operation or Call_Button_Light /= Down then
Report.Failed ("Incorrect elevator operation going to basement");
end if;
end Going_To_Basement;
-- Going from basement to floor three.
Going_To_Floor3:
declare
-- Declare instance of the child generic elevator package for floor
-- three.
package Call_Elevator_Pkg is new FA13A00_1.CA13A02_4
(FA13A00_1.Floor3);
use Call_Elevator_Pkg;
Call_Button_Light : Light;
begin
Call_Button_Light := Call_Elevator (Up);
if not FA13A00_1.TC_Operation or Call_Button_Light /= Up then
Report.Failed ("Incorrect elevator operation going to floor 3");
end if;
end Going_To_Floor3;
-- Going from floor three to floor two.
Going_To_Floor2:
declare
-- Declare instance of the child generic elevator package for floor two.
package Call_Elevator_Pkg is new FA13A00_1.CA13A02_4
(FA13A00_1.Floor2);
use Call_Elevator_Pkg;
Call_Button_Light : Light;
begin
Call_Button_Light := Call_Elevator (Up);
if not FA13A00_1.TC_Operation or Call_Button_Light /= Up then
Report.Failed ("Incorrect elevator operation going to floor 2");
end if;
end Going_To_Floor2;
-- Going to floor one.
Going_To_Floor1:
declare
-- Declare instance of the child generic elevator package for floor one.
package Call_Elevator_Pkg is new FA13A00_1.CA13A02_4
(FA13A00_1.Floor1);
use Call_Elevator_Pkg;
Call_Button_Light : Light;
begin
-- Calling elevator from floor one.
FA13A00_1.Current_Floor := FA13A00_1.Floor1;
Call_Button_Light := Call_Elevator (Down);
if not FA13A00_1.TC_Operation or Call_Button_Light /= Down then
Report.Failed ("Incorrect elevator operation going to floor 1");
end if;
end Going_To_Floor1;
Report.Result;
end CA13A02;
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