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+-- C3900063.AM
+--
+-- 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 private tagged type declared in a package specification
+-- may be extended with a private extension in a different package
+-- specification, and that this private extension may in turn be extended
+-- by a record extension in a third package.
+--
+-- Check that each derivative inherits the user-defined primitive
+-- subprograms of its parent (including those that its parent inherited),
+-- that it may override these inherited primitive subprograms, and that it
+-- may also declare its own primitive subprograms.
+--
+-- Check that type conversion is defined from a type extension to its
+-- parent, and that this parent itself may be a type extension.
+--
+-- TEST DESCRIPTION:
+-- Declare a root tagged private type and two associated primitive
+-- subprograms in a package specification. Declare operations to verify
+-- the correctness of the components. Declare operations which return
+-- values of the type's private components, and which will be inherited
+-- by later derivatives.
+--
+-- Extend the root type with a private extension in a second package
+-- specification. Declare a new primitive subprogram for the extension,
+-- and override one of the two inherited subprograms. Within the
+-- overriding subprogram, utilize type conversion to call the parent's
+-- implementation of the same subprogram. Also within the overriding
+-- subprogram, call the new primitive subprogram and each inherited
+-- subprogram. Declare operations of the private extension which
+-- override the verification operations of its parent. Declare
+-- operations which return values of the extension's private components,
+-- and which will be inherited by later derivatives.
+--
+-- Extend the extension with a record extension in a third package
+-- specification. Declare a new primitive subprogram for this record
+-- extension, and override one of the three inherited subprograms.
+-- Within the overriding subprogram, utilize type conversion to call the
+-- parent's implementation of the same subprogram. Also within the
+-- overriding subprogram, call the new primitive subprogram and each
+-- inherited subprogram. Declare operations of the record extension
+-- which override the verification operations of its parent.
+--
+-- In the main program, declare objects of the root tagged type and
+-- the two type extensions. For each object, call the overriding
+-- subprogram, and verify the correctness of the components by calling
+-- the verification operations.
+--
+-- TEST FILES:
+-- This test consists of the following files:
+--
+-- C3900060.A
+-- C3900061.A
+-- C3900062.A
+-- => C3900063.AM
+--
+--
+-- CHANGE HISTORY:
+-- 06 Dec 94 SAIC ACVC 2.0
+-- 04 Jun 96 SAIC ACVC 2.1: Modified prologue.
+--
+--!
+
+with Report;
+
+with C3900060; -- Basic alert abstraction.
+with C3900062; -- Further extended alert abstraction.
+
+use C3900060; -- Primitive operations of Alert_Type directly visible.
+
+procedure C3900063 is
+begin
+
+ Report.Test ("C390006", "Primitive operation inheritance by type " &
+ "extensions: all extensions declared in different " &
+ "packages; root type and 1st extension are private, " &
+ "2nd extension is record extension");
+
+
+ -- The cases for type C3900060.Alert_Type and C3900061.Low_Alert_Type
+ -- are tested in C390005. Those subtests are not repeated here.
+
+
+ MEDIUM_ALERT_SUBTEST: ------------------------------------------------------
+
+ declare
+ Medium_Alarm : C3900062.Medium_Alert_Type; -- Rec. ext. of extension.
+ use C3900062; -- Primitive operations of extension directly visible.
+ begin
+ if not Initial_Values_Okay (Medium_Alarm) then
+ Report.Failed ("Wrong initial values for Medium_Alert_Type");
+ end if;
+
+ Handle (Medium_Alarm);
+
+ if Bad_Final_Values (Medium_Alarm) then
+ Report.Failed ("Wrong values for Medium_Alert_Type after Handle");
+ end if;
+ end Medium_Alert_Subtest;
+
+
+ -- Check final display counts:
+
+ if C3900060.Display_Count_For /= (Null_Device => 1,
+ Teletype => 1,
+ Console => 1,
+ Big_Screen => 0)
+ then
+ Report.Failed ("Wrong display counts after Medium_Alert_Type");
+ end if;
+
+
+ Report.Result;
+
+end C3900063;