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-- CC70B01.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 formal package actual part may specify actual parameters
-- for a generic formal package. Check that a use clause in the generic
-- formal part provides direct visibility of declarations within the
-- generic formal package. Check that the scope of such a use clause
-- extends to the generic subprogram body. Check that the visible part of
-- the generic formal package includes the first list of basic
-- declarative items of the package specification.
--
-- Check the case where the formal package is declared in a generic
-- subprogram.
--
-- TEST DESCRIPTION:
-- Declare a list abstraction in a generic package which manages lists of
-- elements of any nonlimited type (foundation code). Declare a generic
-- subprogram which operates on lists of elements of discrete types.
-- Provide the generic subprogram with two formal parameters: (1) a
-- formal discrete type which represents a list element type, and (2) a
-- generic formal package with the list abstraction package as template.
-- Use the formal discrete type as the generic formal actual part for the
-- formal package. Include a use clause for the formal package in the
-- generic subprogram formal part.
--
-- TEST FILES:
-- The following files comprise this test:
--
-- FC70B00.A
-- CC70B01.A
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
-- Declare a generic subprogram which performs an operation on lists of
-- discrete objects.
with FC70B00; -- Generic list abstraction.
generic
-- Import the list abstraction defined in FC70B00. To ensure that only
-- list abstraction instances defining lists of *discrete* elements will be
-- accepted as actuals to this generic, declare a formal discrete type and
-- pass it as an actual parameter to the formal package.
--
-- Only instances declared for the same discrete type as that used to
-- instantiate this generic subprogram will be accepted.
type Elem_Type is (<>); -- Discrete types only.
with package List_Mgr is new FC70B00 (Elem_Type);
use List_Mgr; -- Use clause for formal package.
procedure CC70B01_0 (L : in out List_Type); -- List_Mgr.List_Type directly
-- visible.
--==================================================================--
procedure CC70B01_0 (L : in out List_Type) is -- Declarations in List_Mgr
begin -- still directly visible.
Reset (L);
while not End_Of_List (L) loop
Write_Element (L, Elem_Type'First); -- This statement assumes
end loop; -- Elem_Type is discrete.
end CC70B01_0;
--==================================================================--
with FC70B00; -- Generic list abstraction.
with CC70B01_0; -- Generic "zeroing" operation for lists of discrete types.
with Report;
procedure CC70B01 is
type Points is range 0 .. 10; -- Discrete type.
package Lists_of_Scores is new FC70B00 (Points); -- List-of-points
-- abstraction.
Scores : Lists_of_Scores.List_Type; -- List of points.
procedure Reset_All_Scores is new -- Operation on lists of
CC70B01_0 (Points, Lists_of_Scores); -- points.
-- Begin test code declarations: -----------------------
type TC_Score_Array is array (1 .. 3) of Points;
TC_Initial_Values : constant TC_Score_Array := (2, 4, 6);
TC_Final_Values : constant TC_Score_Array := (0, 0, 0);
TC_Correct_Initial_Values : Boolean := False;
TC_Correct_Final_Values : Boolean := False;
procedure TC_Initialize_List (L : in out Lists_of_Scores.List_Type) is
begin -- Initial list contains 3 scores
for I in TC_Score_Array'Range loop -- with the values 2, 4, and 6.
Lists_of_Scores.Add_Element (L, TC_Initial_Values(I));
end loop;
end TC_Initialize_List;
procedure TC_Verify_List (L : in out Lists_of_Scores.List_Type;
Expected : in TC_Score_Array;
OK : out Boolean) is
Actual : TC_Score_Array;
begin -- Verify that all scores have been
Lists_of_Scores.Reset (L); -- set to zero.
for I in TC_Score_Array'Range loop
Lists_of_Scores.Read_Element (L, Actual(I));
end loop;
OK := (Actual = Expected);
end TC_Verify_List;
-- End test code declarations. -------------------------
begin
Report.Test ("CC70B01", "Check that a library-level generic subprogram " &
"may have a formal package as a formal parameter, and that " &
"the generic formal actual part may specify explicit actual " &
"parameters. Check that a use clause is legal in the " &
"generic formal part");
TC_Initialize_List (Scores);
TC_Verify_List (Scores, TC_Initial_Values, TC_Correct_Initial_Values);
if not TC_Correct_Initial_Values then
Report.Failed ("List contains incorrect initial values");
end if;
Reset_All_Scores (Scores);
TC_Verify_List (Scores, TC_Final_Values, TC_Correct_Final_Values);
if not TC_Correct_Final_Values then
Report.Failed ("List contains incorrect final values");
end if;
Report.Result;
end CC70B01;
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