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-- CA11A01.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 type extended in a public child inherits primitive
-- operations from its ancestor.
--
-- TEST DESCRIPTION:
-- Declare a root tagged type in a package specification. Declare two
-- primitive subprograms for the type (foundation code).
--
-- Add a public child to the above package. Extend the root type with
-- a record extension in the specification. Declare a new primitive
-- subprogram to write to the child extension.
--
-- Add a public grandchild to the above package. Extend the extension of
-- the parent type with a record extension in the private part of the
-- specification. Declare a new primitive subprogram for this grandchild
-- extension.
--
-- In the main program, "with" the grandchild. Access the primitive
-- operations from grandparent and parent package.
--
-- TEST FILES:
-- This test depends on the following foundation code:
--
-- FA11A00.A
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
package FA11A00.CA11A01_0 is -- Color_Widget_Pkg
-- This public child declares an extension from its parent. It
-- represents processing of widgets in a window system.
type Widget_Color_Enum is (Black, Green, White);
type Color_Widget is new Widget with -- Record extension of
record -- parent tagged type.
Color : Widget_Color_Enum;
end record;
-- Inherits procedure Set_Width from Widget.
-- Inherits procedure Set_Height from Widget.
-- To be inherited by its derivatives.
procedure Set_Color (The_Widget : in out Color_Widget;
C : in Widget_Color_Enum);
procedure Set_Color_Widget (The_Widget : in out Color_Widget;
The_Width : in Widget_Length;
The_Height : in Widget_Length;
The_Color : in Widget_Color_Enum);
end FA11A00.CA11A01_0; -- Color_Widget_Pkg
--=======================================================================--
package body FA11A00.CA11A01_0 is -- Color_Widget_Pkg
procedure Set_Color (The_Widget : in out Color_Widget;
C : in Widget_Color_Enum) is
begin
The_Widget.Color := C;
end Set_Color;
---------------------------------------------------------------
procedure Set_Color_Widget (The_Widget : in out Color_Widget;
The_Width : in Widget_Length;
The_Height : in Widget_Length;
The_Color : in Widget_Color_Enum) is
begin
Set_Width (The_Widget, The_Width); -- Inherited from parent.
Set_Height (The_Widget, The_Height); -- Inherited from parent.
Set_Color (The_Widget, The_Color);
end Set_Color_Widget;
end FA11A00.CA11A01_0; -- Color_Widget_Pkg
--=======================================================================--
package FA11A00.CA11A01_0.CA11A01_1 is -- Label_Widget_Pkg
-- This public grandchild extends the extension from its parent. It
-- represents processing of widgets in a window system.
-- Declaration used by private extension component.
subtype Widget_Label_Str is string (1 .. 10);
type Label_Widget is new Color_Widget with private;
-- Record extension of parent tagged type.
-- Inherits (inherited) procedure Set_Width from Color_Widget.
-- Inherits (inherited) procedure Set_Height from Color_Widget.
-- Inherits procedure Set_Color from Color_Widget.
-- Inherits procedure Set_Color_Widget from Color_Widget.
procedure Set_Label_Widget (The_Widget : in out Label_Widget;
The_Width : in Widget_Length;
The_Height : in Widget_Length;
The_Color : in Widget_Color_Enum;
The_Label : in Widget_Label_Str);
-- The following function is needed to verify the value of the
-- extension's private component.
function Verify_Label (The_Widget : in Label_Widget;
The_Label : in Widget_Label_Str) return Boolean;
private
type Label_Widget is new Color_Widget with
record
Label : Widget_Label_Str;
end record;
end FA11A00.CA11A01_0.CA11A01_1; -- Label_Widget_Pkg
--=======================================================================--
package body FA11A00.CA11A01_0.CA11A01_1 is -- Label_Widget_Pkg
procedure Set_Label (The_Widget : in out Label_Widget;
L : in Widget_Label_Str) is
begin
The_Widget.Label := L;
end Set_Label;
--------------------------------------------------------------
procedure Set_Label_Widget (The_Widget : in out Label_Widget;
The_Width : in Widget_Length;
The_Height : in Widget_Length;
The_Color : in Widget_Color_Enum;
The_Label : in Widget_Label_Str) is
begin
Set_Width (The_Widget, The_Width); -- Twice inherited.
Set_Height (The_Widget, The_Height); -- Twice inherited.
Set_Color (The_Widget, The_Color); -- Inherited from parent.
Set_Label (The_Widget, The_Label);
end Set_Label_Widget;
--------------------------------------------------------------
function Verify_Label (The_Widget : in Label_Widget;
The_Label : in Widget_Label_Str) return Boolean is
begin
return (The_Widget.Label = The_Label);
end Verify_Label;
end FA11A00.CA11A01_0.CA11A01_1; -- Label_Widget_Pkg
--=======================================================================--
with FA11A00.CA11A01_0.CA11A01_1; -- Label_Widget_Pkg,
-- implicitly with Widget_Pkg,
-- implicitly with Color_Widget_Pkg
with Report;
procedure CA11A01 is
package Widget_Pkg renames FA11A00;
package Color_Widget_Pkg renames FA11A00.CA11A01_0;
package Label_Widget_Pkg renames FA11A00.CA11A01_0.CA11A01_1;
use Widget_Pkg; -- All user-defined operators directly visible.
Mail_Label : Label_Widget_Pkg.Widget_Label_Str := "Quick_Mail";
Default_Widget : Widget;
Black_Widget : Color_Widget_Pkg.Color_Widget;
Mail_Widget : Label_Widget_Pkg.Label_Widget;
begin
Report.Test ("CA11A01", "Check that type extended in a public " &
"child inherits primitive operations from its " &
"ancestor");
Set_Width (Default_Widget, 9); -- Call from parent.
Set_Height (Default_Widget, 10); -- Call from parent.
If Default_Widget.Width /= Widget_Length (Report.Ident_Int (9)) or
Default_Widget.Height /= Widget_Length (Report.Ident_Int (10)) then
Report.Failed ("Incorrect result for Default_Widget");
end if;
Color_Widget_Pkg.Set_Color_Widget
(Black_Widget, 17, 18, Color_Widget_Pkg.Black); -- Explicitly declared.
If Black_Widget.Width /= Widget_Length (Report.Ident_Int (17)) or
Black_Widget.Height /= Widget_Length (Report.Ident_Int (18)) or
Color_Widget_Pkg."/=" (Black_Widget.Color, Color_Widget_Pkg.Black) then
Report.Failed ("Incorrect result for Black_Widget");
end if;
Label_Widget_Pkg.Set_Label_Widget
(Mail_Widget, 15, 21, Color_Widget_Pkg.White,
"Quick_Mail"); -- Explicitly declared.
If Mail_Widget.Width /= Widget_Length (Report.Ident_Int (15)) or
Mail_Widget.Height /= Widget_Length (Report.Ident_Int (21)) or
Color_Widget_Pkg."/=" (Mail_Widget.Color, Color_Widget_Pkg.White) or
not Label_Widget_Pkg.Verify_Label (Mail_Widget, Mail_Label) then
Report.Failed ("Incorrect result for Mail_Widget");
end if;
Report.Result;
end CA11A01;