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-- C3900011.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 record extension can be declared in the same package
-- as its parent, and that this parent may be a tagged record or a
-- record extension. Check that each derivative inherits all user-
-- defined primitive subprograms of its parent (including those that
-- its parent inherited), and that it may declare its own primitive
-- subprograms.
--
-- Check that predefined equality operators are defined for the root
-- tagged type.
--
-- 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 type in a package specification. Declare two
-- primitive subprograms for the type.
--
-- Extend the root type with a record extension in the same package
-- specification. Declare a new primitive subprogram for the extension
-- (in addition to its two inherited subprograms).
--
-- Extend the extension with a record extension in the same package
-- specification. Declare a new primitive subprogram for this second
-- extension (in addition to its three inherited subprograms).
--
-- In the main program, declare operations for the root tagged type which
-- utilize aggregates and equality operators to verify the correctness
-- of the components. Overload these operations for the two type
-- extensions. Within each of these overloading operations, utilize type
-- conversion to call the parent's implementation of the same operation.
--
-- TEST FILES:
-- The following files comprise this test:
--
-- C3900010.A
-- => C3900011.AM
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
with C3900010;
with Report;
procedure C3900011 is
package Check_Alert_Values is
-- Declare functions to verify correctness of tagged record components
-- before and after calls to their primitive subprograms.
-- Alert_Type:
function Initial_Values_Okay (A : in C3900010.Alert_Type)
return Boolean;
function Bad_Final_Values (A : in C3900010.Alert_Type)
return Boolean;
-- Low_Alert_Type:
function Initial_Values_Okay (LA : in C3900010.Low_Alert_Type)
return Boolean;
function Bad_Final_Values (LA : in C3900010.Low_Alert_Type)
return Boolean;
-- Medium_Alert_Type:
function Initial_Values_Okay (MA : in C3900010.Medium_Alert_Type)
return Boolean;
function Bad_Final_Values (MA : in C3900010.Medium_Alert_Type)
return Boolean;
end Check_Alert_Values;
--==========================================================--
package body Check_Alert_Values is
function Initial_Values_Okay (A : in C3900010.Alert_Type)
return Boolean is
use type C3900010.Alert_Type;
begin -- "=" operator availability.
return (A = (Arrival_Time => C3900010.Default_Time,
Display_On => C3900010.Null_Device));
end Initial_Values_Okay;
function Initial_Values_Okay (LA : in C3900010.Low_Alert_Type)
return Boolean is
begin -- Type conversion.
return (Initial_Values_Okay (C3900010.Alert_Type (LA)) and
LA.Level = 0);
end Initial_Values_Okay;
function Initial_Values_Okay (MA : in C3900010.Medium_Alert_Type)
return Boolean is
use type C3900010.Person_Enum;
begin -- Type conversion.
return (Initial_Values_Okay (C3900010.Low_Alert_Type (MA)) and
MA.Action_Officer = C3900010.Nobody);
end Initial_Values_Okay;
function Bad_Final_Values (A : in C3900010.Alert_Type)
return Boolean is
use type C3900010.Alert_Type;
begin -- "/=" operator availability.
return (A /= (Arrival_Time => C3900010.Alert_Time,
Display_On => C3900010.Null_Device));
end Bad_Final_Values;
function Bad_Final_Values (LA : in C3900010.Low_Alert_Type)
return Boolean is
use type C3900010.Low_Alert_Type;
begin -- "=" operator availability.
return not ( LA = (Arrival_Time => C3900010.Alert_Time,
Display_On => C3900010.Teletype,
Level => 1) );
end Bad_Final_Values;
function Bad_Final_Values (MA : in C3900010.Medium_Alert_Type)
return Boolean is
use type C3900010.Medium_Alert_Type;
begin -- "/=" operator availability.
return ( MA /= (C3900010.Alert_Time,
C3900010.Console,
1,
C3900010.Duty_Officer) );
end Bad_Final_Values;
end Check_Alert_Values;
--==========================================================--
use Check_Alert_Values;
use C3900010;
Root_Alarm : C3900010.Alert_Type;
Low_Alarm : C3900010.Low_Alert_Type;
Medium_Alarm : C3900010.Medium_Alert_Type;
begin
Report.Test ("C390001", "Primitive operation inheritance by type " &
"extensions: all extensions declared in same package " &
"as parent");
-- Check root tagged type:
if Initial_Values_Okay (Root_Alarm) then
Handle (Root_Alarm); -- Explicitly declared.
Display (Root_Alarm); -- Explicitly declared.
if Bad_Final_Values (Root_Alarm) then
Report.Failed ("Wrong results after Alert_Type calls");
end if;
else
Report.Failed ("Wrong initial values for Alert_Type");
end if;
-- Check record extension of root tagged type:
if Initial_Values_Okay (Low_Alarm) then
Handle (Low_Alarm); -- Inherited.
Low_Alarm.Display_On := Teletype;
Display (Low_Alarm); -- Inherited.
Low_Alarm.Level := Level_Of (Low_Alarm); -- Explicitly declared.
if Bad_Final_Values (Low_Alarm) then
Report.Failed ("Wrong results after Low_Alert_Type calls");
end if;
else
Report.Failed ("Wrong initial values for Low_Alert_Type");
end if;
-- Check record extension of record extension:
if Initial_Values_Okay (Medium_Alarm) then
Handle (Medium_Alarm); -- Inherited twice.
Medium_Alarm.Display_On := Console;
Display (Medium_Alarm); -- Inherited twice.
Medium_Alarm.Level := Level_Of (Medium_Alarm); -- Inherited.
Assign_Officer (Medium_Alarm, Duty_Officer); -- Explicitly declared.
if Bad_Final_Values (Medium_Alarm) then
Report.Failed ("Wrong results after Medium_Alert_Type calls");
end if;
else
Report.Failed ("Wrong initial values for Medium_Alert_Type");
end if;
-- Check final display counts:
if C3900010.Display_Count_For /= (Null_Device => 1,
Teletype => 1,
Console => 1,
Big_Screen => 0)
then
Report.Failed ("Wrong final values for display counts");
end if;
Report.Result;
end C3900011;