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--- C393A06.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 a type that inherits abstract operations but
--- overrides each of these operations is not required to be
--- abstract, and that objects of the type and its class-wide type
--- may be declared and passed in calls to the overriding
--- subprograms.
---
--- TEST DESCRIPTION:
--- This test derives a type from the root abstract type available
--- in foundation F393A00. It declares subprograms as required by
--- the language to override the abstract subprograms, allowing the
--- derived type itself to be not abstract. It also declares
--- operations on the new type, as well as on the associated class-
--- wide type. The main program then uses two objects of the type
--- and two objects of the class-wide type as parameters for each of
--- the subprograms. Correct execution is determined by path
--- analysis and value checking.
---
--- TEST FILES:
--- The following files comprise this test:
---
--- F393A00.A (foundation code)
--- C393A06.A
---
---
--- CHANGE HISTORY:
--- 06 Dec 94 SAIC ACVC 2.0
--- 19 Dec 94 SAIC Removed RM references from objective text.
---
---!
-
- with F393A00_1;
- package C393A06_0 is
- type Organism is new F393A00_1.Object with private;
- type Kingdoms is ( Animal, Vegetable, Unspecified );
-
- procedure Swap( A,B: in out Organism );
- function Create return Organism;
-
- procedure Initialize( The_Entity : in out Organism;
- In_The_Kingdom : Kingdoms );
- function Kingdom( Of_The_Entity : Organism ) return Kingdoms;
-
- procedure TC_Check( An_Entity : Organism'Class;
- In_Kingdom : Kingdoms;
- Initialized : Boolean );
-
- Incompatible : exception;
-
- private
- type Organism is new F393A00_1.Object with
- record
- In_Kingdom : Kingdoms;
- end record;
- end C393A06_0;
-
- with F393A00_0;
- package body C393A06_0 is
-
- procedure Swap( A,B: in out Organism ) is
- begin
- F393A00_0.TC_Touch( 'A' ); ------------------------------------------- A
- if A.In_Kingdom /= B.In_Kingdom then
- F393A00_0.TC_Touch( 'X' );
- raise Incompatible;
- else
- declare
- T: constant Organism := A;
- begin
- A := B;
- B := T;
- end;
- end if;
- end Swap;
-
- function Create return Organism is
- Widget : Organism;
- begin
- F393A00_0.TC_Touch( 'B' ); ------------------------------------------- B
- Initialize( Widget );
- Widget.In_Kingdom := Unspecified;
- return Widget;
- end Create;
-
- procedure Initialize( The_Entity : in out Organism;
- In_The_Kingdom : Kingdoms ) is
- begin
- F393A00_0.TC_Touch( 'C' ); ------------------------------------------- C
- F393A00_1.Initialize( F393A00_1.Object( The_Entity ) );
- The_Entity.In_Kingdom := In_The_Kingdom;
- end Initialize;
-
- function Kingdom( Of_The_Entity : Organism ) return Kingdoms is
- begin
- F393A00_0.TC_Touch( 'D' ); ------------------------------------------- D
- return Of_The_Entity.In_Kingdom;
- end Kingdom;
-
- procedure TC_Check( An_Entity : Organism'Class;
- In_Kingdom : Kingdoms;
- Initialized : Boolean ) is
- begin
- if F393A00_1.Initialized( An_Entity ) /= Initialized then
- F393A00_0.TC_Touch( '-' ); ------------------------------------------- -
- elsif An_Entity.In_Kingdom /= In_Kingdom then
- F393A00_0.TC_Touch( '!' ); ------------------------------------------- !
- else
- F393A00_0.TC_Touch( '+' ); ------------------------------------------- +
- end if;
- end TC_Check;
-
- end C393A06_0;
-
- with Report;
-
- with C393A06_0;
- with F393A00_0;
- with F393A00_1;
- procedure C393A06 is
-
- package Darwin renames C393A06_0;
- package Tagger renames F393A00_0;
- package Objects renames F393A00_1;
-
- Lion : Darwin.Organism;
- Tigerlily : Darwin.Organism;
- Bear : Darwin.Organism'Class := Darwin.Create;
- Sunflower : Darwin.Organism'Class := Darwin.Create;
-
- use type Darwin.Kingdoms;
-
- begin -- Main test procedure.
-
- Report.Test ("C393A06", "Check that a type that inherits abstract "
- & "operations but overrides each of these "
- & "operations is not required to be abstract. "
- & "Check that objects of the type and its "
- & "class-wide type may be declared and passed "
- & "in calls to the overriding subprograms" );
-
- Tagger.TC_Validate( "BaBa", "Declaration Initializations" );
-
- Darwin.Initialize( Lion, Darwin.Animal );
- Darwin.Initialize( Tigerlily, Darwin.Vegetable );
- Darwin.Initialize( Bear, Darwin.Animal );
- Darwin.Initialize( Sunflower, Darwin.Vegetable );
-
- Tagger.TC_Validate( "CaCaCaCa", "Initialization sequence" );
-
- Oh_My: begin
- Darwin.Swap( Lion, Darwin.Organism( Bear ) );
- Darwin.Swap( Lion, Tigerlily );
- Report.Failed("Exception not raised");
- exception
- when Darwin.Incompatible => null;
- end Oh_My;
-
- Tagger.TC_Validate( "AAX", "Swap sequence" );
-
- if Darwin.Kingdom( Darwin.Create ) = Darwin.Unspecified then
- Darwin.Swap( Sunflower, Darwin.Organism'Class( Tigerlily ) );
- end if;
-
- Tagger.TC_Validate( "BaDA", "Vegetable swap sequence" );
-
- Darwin.TC_Check( Lion, Darwin.Animal, True );
- Darwin.TC_Check( Tigerlily, Darwin.Vegetable, True );
- Darwin.TC_Check( Bear, Darwin.Animal, True );
- Darwin.TC_Check( Sunflower, Darwin.Vegetable, True );
-
- Tagger.TC_Validate( "b+b+b+b+", "Final sequence" );
-
- Report.Result;
-
- end C393A06;
-