| -- C3900051.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: |
| -- See C3900053.AM. |
| -- |
| -- TEST DESCRIPTION: |
| -- See C3900053.AM. |
| -- |
| -- TEST FILES: |
| -- This test consists of the following files: |
| -- |
| -- C3900050.A |
| -- => C3900051.A |
| -- C3900052.A |
| -- C3900053.AM |
| -- |
| -- CHANGE HISTORY: |
| -- 06 Dec 94 SAIC ACVC 2.0 |
| -- 15 May 96 SAIC ACVC 2.1: Modified prologue. Added pragma Elaborate |
| -- for Ada.Calendar. |
| -- |
| --! |
| |
| with C3900050; -- Alert system abstraction. |
| package C3900051 is -- Extended alert system abstraction. |
| |
| |
| type Low_Alert_Type is new C3900050.Alert_Type |
| with private; -- Private extension of |
| -- root tagged type. |
| |
| -- Inherits procedure Display from Alert_Type. |
| |
| procedure Handle (LA : in out Low_Alert_Type); -- Override parent's |
| -- primitive subprog. |
| |
| procedure Set_Level (LA : in out Low_Alert_Type; -- To be inherited by |
| L : in Integer); -- all derivatives. |
| |
| |
| -- The following functions are needed to verify the values of the |
| -- extension's private components. |
| |
| function Get_Level (LA: Low_Alert_Type) return Integer; |
| |
| function Initial_Values_Okay (LA : in Low_Alert_Type) |
| return Boolean; -- Override parent's |
| -- primitive subprog. |
| |
| function Bad_Final_Values (LA : in Low_Alert_Type) -- Override parent's |
| return Boolean; -- primitive subprog. |
| |
| |
| private |
| |
| type Low_Alert_Type is new C3900050.Alert_Type with record |
| Level : Integer := 0; |
| end record; |
| |
| end C3900051; |
| |
| |
| --==================================================================-- |
| |
| |
| with Ada.Calendar; |
| pragma Elaborate (Ada.Calendar); |
| |
| package body C3900051 is -- Extended alert system abstraction. |
| |
| use C3900050; -- Alert system abstraction. |
| |
| |
| procedure Set_Level (LA : in out Low_Alert_Type; |
| L : in Integer) is |
| begin |
| LA.Level := L; |
| end Set_Level; |
| |
| |
| procedure Handle (LA : in out Low_Alert_Type) is |
| begin |
| Handle (Alert_Type (LA)); -- Call parent's operation (type conversion). |
| Set_Level (LA, 1); -- Call newly declared operation. |
| Set_Display (Alert_Type(LA), |
| Teletype); -- Call parent's operation (type conversion). |
| Display (LA); |
| end Handle; |
| |
| |
| function Get_Level (LA: Low_Alert_Type) return Integer is |
| begin |
| return LA.Level; |
| end Get_Level; |
| |
| |
| function Initial_Values_Okay (LA : in Low_Alert_Type) return Boolean is |
| begin |
| -- Call parent's operation (type conversion). |
| return (Initial_Values_Okay (Alert_Type (LA)) and |
| LA.Level = 0); |
| end Initial_Values_Okay; |
| |
| |
| function Bad_Final_Values (LA : in Low_Alert_Type) return Boolean is |
| use type Ada.Calendar.Time; |
| begin |
| return (Get_Time(LA) /= Alert_Time or |
| Get_Display(LA) /= Teletype or |
| LA.Level /= 1); |
| end Bad_Final_Values; |
| |
| |
| end C3900051; |