-- CA11009.A
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-- CA11009.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that a private child package can use entities declared in the
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-- Check that a private child package can use entities declared in the
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-- visible part of the parent unit of its parent unit.
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-- visible part of the parent unit of its parent unit.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- Declare a parent package containing types and objects used by the
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-- Declare a parent package containing types and objects used by the
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-- system. Declare a public child package that provides a visible
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-- system. Declare a public child package that provides a visible
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-- interface to the system functionality.
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-- interface to the system functionality.
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-- Declare a private grandchild package that uses the visible grandparent
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-- Declare a private grandchild package that uses the visible grandparent
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-- components to provide the actual functionality to the system.
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-- components to provide the actual functionality to the system.
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--
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--
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-- The public child (parent of the private grandchild) uses the
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-- The public child (parent of the private grandchild) uses the
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-- functionality of its private child (grandchild package) to provide
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-- functionality of its private child (grandchild package) to provide
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-- the visible interface to operations of the system.
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-- the visible interface to operations of the system.
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--
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--
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-- The test itself will utilize the visible interface provided in the
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-- The test itself will utilize the visible interface provided in the
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-- public child package to demonstrate a possible structure for
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-- public child package to demonstrate a possible structure for
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-- file management.
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-- file management.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 15 Apr 96 SAIC ACVC 2.1: Added pragma Elaborate_body.
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-- 15 Apr 96 SAIC ACVC 2.1: Added pragma Elaborate_body.
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--
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--
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--!
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--!
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package CA11009_0 is -- Package OS.
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package CA11009_0 is -- Package OS.
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pragma Elaborate_Body (CA11009_0);
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pragma Elaborate_Body (CA11009_0);
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type File_Descriptor_Type is new Integer;
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type File_Descriptor_Type is new Integer;
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type File_Name_Type is new String (1 .. 11);
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type File_Name_Type is new String (1 .. 11);
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type Permission_Type is (None, User, System, Bypass);
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type Permission_Type is (None, User, System, Bypass);
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type File_Mode_Type is (Read_Only, Write_Only, Read_Write);
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type File_Mode_Type is (Read_Only, Write_Only, Read_Write);
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type File_Status_Type is (Open, Closed);
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type File_Status_Type is (Open, Closed);
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Default_Descriptor : constant File_Descriptor_Type := 0;
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Default_Descriptor : constant File_Descriptor_Type := 0;
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Default_Permission : constant Permission_Type := None;
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Default_Permission : constant Permission_Type := None;
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Default_Mode : constant File_Mode_Type := Read_Only;
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Default_Mode : constant File_Mode_Type := Read_Only;
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Default_Status : constant File_Status_Type := Closed;
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Default_Status : constant File_Status_Type := Closed;
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Default_Filename : constant File_Name_Type := " ";
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Default_Filename : constant File_Name_Type := " ";
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Max_Files : constant File_Descriptor_Type := 10;
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Max_Files : constant File_Descriptor_Type := 10;
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An_Ada_File_Name : constant File_Name_Type := "AdaFileName";
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An_Ada_File_Name : constant File_Name_Type := "AdaFileName";
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File_Counter : Integer := 0;
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File_Counter : Integer := 0;
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type File_Type is tagged
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type File_Type is tagged
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record
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record
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Descriptor : File_Descriptor_Type := Default_Descriptor;
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Descriptor : File_Descriptor_Type := Default_Descriptor;
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Name : File_Name_Type := Default_Filename;
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Name : File_Name_Type := Default_Filename;
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Acct_Access : Permission_Type := Default_Permission;
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Acct_Access : Permission_Type := Default_Permission;
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Mode : File_Mode_Type := Default_Mode;
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Mode : File_Mode_Type := Default_Mode;
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Current_Status : File_Status_Type := Default_Status;
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Current_Status : File_Status_Type := Default_Status;
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end record;
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end record;
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type File_Array_Type is array (1 .. Max_Files) of File_Type;
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type File_Array_Type is array (1 .. Max_Files) of File_Type;
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File_Table : File_Array_Type;
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File_Table : File_Array_Type;
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--
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--
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function Get_File_Name return File_Name_Type;
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function Get_File_Name return File_Name_Type;
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end CA11009_0; -- Package OS.
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end CA11009_0; -- Package OS.
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--=================================================================--
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--=================================================================--
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package body CA11009_0 is -- Package body OS.
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package body CA11009_0 is -- Package body OS.
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function Get_File_Name return File_Name_Type is
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function Get_File_Name return File_Name_Type is
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begin
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begin
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return (An_Ada_File_Name); -- Processing would be replace by a user
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return (An_Ada_File_Name); -- Processing would be replace by a user
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-- prompt in a functioning system.
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-- prompt in a functioning system.
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end Get_File_Name;
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end Get_File_Name;
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end CA11009_0; -- Package body OS.
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end CA11009_0; -- Package body OS.
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--=================================================================--
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--=================================================================--
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package CA11009_0.CA11009_1 is -- Child Package OS.File_Manager
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package CA11009_0.CA11009_1 is -- Child Package OS.File_Manager
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-- This package simulates a visible interface for the Operating System.
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-- This package simulates a visible interface for the Operating System.
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-- The actual processing performed by this routine is encapsulated
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-- The actual processing performed by this routine is encapsulated
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-- in the routines of private child package Internals, which is "withed"
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-- in the routines of private child package Internals, which is "withed"
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-- by the body of this package.
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-- by the body of this package.
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procedure Create_File (Mode : in File_Mode_Type;
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procedure Create_File (Mode : in File_Mode_Type;
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File_Key : out File_Descriptor_Type);
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File_Key : out File_Descriptor_Type);
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end CA11009_0.CA11009_1; -- Child Package OS.File_Manager
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end CA11009_0.CA11009_1; -- Child Package OS.File_Manager
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--=================================================================--
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--=================================================================--
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-- Subprogram that performs the actual file operation is contained in a
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-- Subprogram that performs the actual file operation is contained in a
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-- private package so that it is not accessible to any client, and can be
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-- private package so that it is not accessible to any client, and can be
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-- modified/extended without requiring recompilation of the clients of the
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-- modified/extended without requiring recompilation of the clients of the
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-- parent (since this package is "withed" by the parent body only.)
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-- parent (since this package is "withed" by the parent body only.)
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-- Grandchild Package OS.File_Manager.Internals
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-- Grandchild Package OS.File_Manager.Internals
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private package CA11009_0.CA11009_1.CA11009_2 is
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private package CA11009_0.CA11009_1.CA11009_2 is
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Initial_Permission : constant Permission_Type := User; -- Grandparent
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Initial_Permission : constant Permission_Type := User; -- Grandparent
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Initial_Status : constant File_Status_Type := Open; -- literals.
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Initial_Status : constant File_Status_Type := Open; -- literals.
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Initial_Filename : constant File_Name_Type := -- Grandparent type.
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Initial_Filename : constant File_Name_Type := -- Grandparent type.
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Get_File_Name; -- Grandparent function.
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Get_File_Name; -- Grandparent function.
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function Create (Mode : File_Mode_Type)
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function Create (Mode : File_Mode_Type)
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return File_Descriptor_Type; -- Grandparent type.
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return File_Descriptor_Type; -- Grandparent type.
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end CA11009_0.CA11009_1.CA11009_2;
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end CA11009_0.CA11009_1.CA11009_2;
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-- Grandchild Package OS.File_Manager.Internals
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-- Grandchild Package OS.File_Manager.Internals
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--=================================================================--
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--=================================================================--
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-- Grandchild Package body OS.File_Manager.Internals
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-- Grandchild Package body OS.File_Manager.Internals
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package body CA11009_0.CA11009_1.CA11009_2 is
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package body CA11009_0.CA11009_1.CA11009_2 is
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function Next_Available_File return File_Descriptor_Type is
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function Next_Available_File return File_Descriptor_Type is
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begin
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begin
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File_Counter := File_Counter + 1; -- Grandparent object.
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File_Counter := File_Counter + 1; -- Grandparent object.
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return (File_Descriptor_Type(File_Counter));
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return (File_Descriptor_Type(File_Counter));
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end Next_Available_File;
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end Next_Available_File;
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-------------------------------------------------------------------------
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-------------------------------------------------------------------------
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function Create (Mode : File_Mode_Type) -- Grandparent literal.
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function Create (Mode : File_Mode_Type) -- Grandparent literal.
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return File_Descriptor_Type is
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return File_Descriptor_Type is
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Number : File_Descriptor_Type; -- Grandparent type.
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Number : File_Descriptor_Type; -- Grandparent type.
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begin
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begin
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Number := Next_Available_File;
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Number := Next_Available_File;
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File_Table(Number).Descriptor := Number; -- Grandparent object.
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File_Table(Number).Descriptor := Number; -- Grandparent object.
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File_Table(Number).Name := Initial_Filename;
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File_Table(Number).Name := Initial_Filename;
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File_Table(Number).Mode := Mode; -- Parameter.
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File_Table(Number).Mode := Mode; -- Parameter.
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File_Table(Number).Acct_Access := Initial_Permission;
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File_Table(Number).Acct_Access := Initial_Permission;
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File_Table(Number).Current_Status := Initial_Status;
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File_Table(Number).Current_Status := Initial_Status;
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return (Number);
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return (Number);
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end Create;
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end Create;
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end CA11009_0.CA11009_1.CA11009_2;
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end CA11009_0.CA11009_1.CA11009_2;
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-- Grandchild Package body OS.File_Manager.Internals
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-- Grandchild Package body OS.File_Manager.Internals
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--=================================================================--
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--=================================================================--
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-- "With" of a child package
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-- "With" of a child package
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-- by the parent body.
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-- by the parent body.
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with CA11009_0.CA11009_1.CA11009_2; -- Grandchild OS.File_Manager.Internals
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with CA11009_0.CA11009_1.CA11009_2; -- Grandchild OS.File_Manager.Internals
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package body CA11009_0.CA11009_1 is -- Child Package body OS.File_Manager
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package body CA11009_0.CA11009_1 is -- Child Package body OS.File_Manager
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package Internal renames CA11009_0.CA11009_1.CA11009_2;
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package Internal renames CA11009_0.CA11009_1.CA11009_2;
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-- These subprograms utilize calls to subprograms contained in a private
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-- These subprograms utilize calls to subprograms contained in a private
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-- sibling to perform the actual processing.
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-- sibling to perform the actual processing.
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procedure Create_File (Mode : in File_Mode_Type;
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procedure Create_File (Mode : in File_Mode_Type;
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File_Key : out File_Descriptor_Type) is
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File_Key : out File_Descriptor_Type) is
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begin
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begin
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File_Key := Internal.Create (Mode);
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File_Key := Internal.Create (Mode);
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end Create_File;
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end Create_File;
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end CA11009_0.CA11009_1; -- Child Package body OS.File_Manager
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end CA11009_0.CA11009_1; -- Child Package body OS.File_Manager
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--=================================================================--
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--=================================================================--
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with CA11009_0.CA11009_1; -- with Child Package OS.File_Manager
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with CA11009_0.CA11009_1; -- with Child Package OS.File_Manager
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with Report;
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with Report;
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procedure CA11009 is
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procedure CA11009 is
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package OS renames CA11009_0;
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package OS renames CA11009_0;
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use OS;
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use OS;
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package File_Manager renames CA11009_0.CA11009_1;
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package File_Manager renames CA11009_0.CA11009_1;
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Data_Base_File_Key : File_Descriptor_Type := Default_Descriptor;
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Data_Base_File_Key : File_Descriptor_Type := Default_Descriptor;
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New_Mode : File_Mode_Type := Read_Write;
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New_Mode : File_Mode_Type := Read_Write;
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begin
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begin
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-- This test indicates one approach to file management.
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-- This test indicates one approach to file management.
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-- It is not intended to demonstrate full functionality, but rather
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-- It is not intended to demonstrate full functionality, but rather
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-- that the use of a private child package could provide a solution
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-- that the use of a private child package could provide a solution
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-- to this type of situation.
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-- to this type of situation.
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Report.Test ("CA11009", "Check that a private child package can use " &
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Report.Test ("CA11009", "Check that a private child package can use " &
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"entities declared in the visible part of the " &
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"entities declared in the visible part of the " &
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"parent unit of its parent unit");
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"parent unit of its parent unit");
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-- Check initial conditions of the first entry in the file table.
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-- Check initial conditions of the first entry in the file table.
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-- These are all default values provided in the declaration of the
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-- These are all default values provided in the declaration of the
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-- type File_Type.
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-- type File_Type.
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if (not (Data_Base_File_Key = Default_Descriptor)) and then
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if (not (Data_Base_File_Key = Default_Descriptor)) and then
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(((not (File_Table(1).Name = Default_Filename)) or
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(((not (File_Table(1).Name = Default_Filename)) or
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(File_Table(1).Descriptor /= Default_Descriptor)) or else
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(File_Table(1).Descriptor /= Default_Descriptor)) or else
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((File_Table(1).Acct_Access /= Default_Permission) or
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((File_Table(1).Acct_Access /= Default_Permission) or
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(not (File_Table(1).Mode = Default_Mode)) or
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(not (File_Table(1).Mode = Default_Mode)) or
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(File_Table(1).Current_Status /= Default_Status)))
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(File_Table(1).Current_Status /= Default_Status)))
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then
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then
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Report.Failed ("Initial condition failure");
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Report.Failed ("Initial condition failure");
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end if;
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end if;
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-- Create/initialize file using the capability provided by the visible
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-- Create/initialize file using the capability provided by the visible
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-- interface to the operating system, OS.File_Manager. The actual
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-- interface to the operating system, OS.File_Manager. The actual
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-- processing routine is contained in the private grandchild package
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-- processing routine is contained in the private grandchild package
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-- Internals, which utilize the components from the grandparent package.
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-- Internals, which utilize the components from the grandparent package.
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File_Manager.Create_File (New_Mode, Data_Base_File_Key);
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File_Manager.Create_File (New_Mode, Data_Base_File_Key);
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-- Verify that the initial conditions of the file table component have
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-- Verify that the initial conditions of the file table component have
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-- been properly modified by the initialization function.
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-- been properly modified by the initialization function.
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if not ((File_Table(1).Descriptor = Data_Base_File_Key) and then
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if not ((File_Table(1).Descriptor = Data_Base_File_Key) and then
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(File_Table(1).Name = An_Ada_File_Name) and then
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(File_Table(1).Name = An_Ada_File_Name) and then
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(File_Table(1).Acct_Access = User) and then
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(File_Table(1).Acct_Access = User) and then
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not ((File_Table(1).Mode = Default_Mode) or else
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not ((File_Table(1).Mode = Default_Mode) or else
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(File_Table(1).Current_Status = Default_Status)))
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(File_Table(1).Current_Status = Default_Status)))
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then
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then
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Report.Failed ("File creation failure");
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Report.Failed ("File creation failure");
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end if;
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end if;
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Report.Result;
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Report.Result;
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end CA11009;
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end CA11009;
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