-- C392D01.A
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-- C392D01.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, for an implicitly declared dispatching operation that is
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-- Check that, for an implicitly declared dispatching operation that is
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-- overridden, the body executed is the body for the overriding
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-- overridden, the body executed is the body for the overriding
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-- subprogram, even if the overriding occurs in a private part.
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-- subprogram, even if the overriding occurs in a private part.
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-- Check that, for an implicitly declared dispatching operation that is
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-- Check that, for an implicitly declared dispatching operation that is
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-- NOT overridden, the body executed is the body of the corresponding
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-- NOT overridden, the body executed is the body of the corresponding
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-- subprogram of the parent type.
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-- subprogram of the parent type.
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--
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--
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-- Check for the case where the overriding (and non-overriding) operations
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-- Check for the case where the overriding (and non-overriding) operations
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-- are declared for a private extension (and its full type) in a public
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-- are declared for a private extension (and its full type) in a public
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-- child unit of the package declaring the ancestor type, and the ancestor
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-- child unit of the package declaring the ancestor type, and the ancestor
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-- type is a tagged private type whose full view is itself a derived type.
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-- type is a tagged private type whose full view is itself a derived type.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- Consider:
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-- Consider:
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--
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--
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-- package Parent is
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-- package Parent is
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-- type Root is tagged ...
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-- type Root is tagged ...
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-- procedure Vis_Op (P: Root);
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-- procedure Vis_Op (P: Root);
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-- private
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-- private
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-- procedure Pri_Op (P: Root); -- (A)
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-- procedure Pri_Op (P: Root); -- (A)
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-- end Parent;
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-- end Parent;
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--
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--
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-- package Intermediate is
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-- package Intermediate is
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-- type Mid is tagged private;
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-- type Mid is tagged private;
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-- private
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-- private
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-- type Mid is new Parent.Root with record ...
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-- type Mid is new Parent.Root with record ...
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-- -- Implicit Vis_Op (P: Mid) declared here.
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-- -- Implicit Vis_Op (P: Mid) declared here.
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--
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--
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-- procedure Vis_Op (P: Mid); -- (B)
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-- procedure Vis_Op (P: Mid); -- (B)
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-- end Intermediate;
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-- end Intermediate;
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--
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--
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-- package Intermediate.Child is
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-- package Intermediate.Child is
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-- type Derived is new Mid with private;
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-- type Derived is new Mid with private;
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--
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--
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-- procedure Pri_Op (P: Derived); -- (C)
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-- procedure Pri_Op (P: Derived); -- (C)
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-- ...
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-- ...
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--
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--
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-- private
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-- private
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-- type Derived is new Mid with record...
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-- type Derived is new Mid with record...
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-- -- Implicit Vis_Op (P: Derived) declared here.
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-- -- Implicit Vis_Op (P: Derived) declared here.
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-- ...
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-- ...
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-- end Intermediate.Child;
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-- end Intermediate.Child;
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--
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--
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-- Type Derived inherits Vis_Op from the parent type Mid. Note, however,
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-- Type Derived inherits Vis_Op from the parent type Mid. Note, however,
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-- that it is implicitly declared in the private part (inherited
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-- that it is implicitly declared in the private part (inherited
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-- subprograms for a derived_type_definition -- in this case, the full
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-- subprograms for a derived_type_definition -- in this case, the full
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-- type -- are implicitly declared at the earliest place within the
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-- type -- are implicitly declared at the earliest place within the
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-- immediate scope of the type_declaration where the corresponding
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-- immediate scope of the type_declaration where the corresponding
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-- declaration from the parent is visible).
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-- declaration from the parent is visible).
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--
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--
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-- Because Parent.Pri_Op is never visible within the immediate scope
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-- Because Parent.Pri_Op is never visible within the immediate scope
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-- of Mid, it is not implicitly declared for Mid. Thus, it is also not
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-- of Mid, it is not implicitly declared for Mid. Thus, it is also not
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-- implicitly declared for Derived. As a result, the version of Pri_Op
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-- implicitly declared for Derived. As a result, the version of Pri_Op
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-- declared at (C) above does not override an inherited version of
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-- declared at (C) above does not override an inherited version of
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-- Parent.Pri_Op and is totally unrelated to it.
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-- Parent.Pri_Op and is totally unrelated to it.
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--
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--
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-- Dispatching calls with tag Mid will execute (A) and (B). Dispatching
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-- Dispatching calls with tag Mid will execute (A) and (B). Dispatching
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-- calls with tag Derived from Parent will execute the bodies of (B)
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-- calls with tag Derived from Parent will execute the bodies of (B)
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-- and (A). Dispatching calls with tag Derived from Parent.Child
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-- and (A). Dispatching calls with tag Derived from Parent.Child
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-- will execute the bodies of (B) and (C).
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-- will execute the bodies of (B) and (C).
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--
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--
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-- TEST FILES:
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-- TEST FILES:
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-- The following files comprise this test:
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-- The following files comprise this test:
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--
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--
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-- F392D00.A
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-- F392D00.A
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-- C392D01.A
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-- C392D01.A
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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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--
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--
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--!
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--!
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with F392D00;
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with F392D00;
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package C392D01_0 is
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package C392D01_0 is
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type Zoom_Camera is tagged private;
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type Zoom_Camera is tagged private;
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procedure Self_Test (C : in out Zoom_Camera'Class);
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procedure Self_Test (C : in out Zoom_Camera'Class);
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-- ...Additional operations.
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-- ...Additional operations.
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function TC_Correct_Result (C : Zoom_Camera;
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function TC_Correct_Result (C : Zoom_Camera;
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D : F392D00.Depth_Of_Field;
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D : F392D00.Depth_Of_Field;
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S : F392D00.Shutter_Speed) return Boolean;
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S : F392D00.Shutter_Speed) return Boolean;
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private
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private
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type Magnification is (Low, Medium, High);
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type Magnification is (Low, Medium, High);
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type Zoom_Camera is new F392D00.Remote_Camera with record
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type Zoom_Camera is new F392D00.Remote_Camera with record
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Mag : Magnification;
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Mag : Magnification;
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end record;
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end record;
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-- procedure Focus (C : in out Zoom_Camera; -- Implicitly
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-- procedure Focus (C : in out Zoom_Camera; -- Implicitly
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-- Depth : in Depth_Of_Field) -- declared
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-- Depth : in Depth_Of_Field) -- declared
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-- here.
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-- here.
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procedure Focus (C : in out Zoom_Camera; -- Overrides
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procedure Focus (C : in out Zoom_Camera; -- Overrides
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Depth : in F392D00.Depth_Of_Field); -- inherited op.
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Depth : in F392D00.Depth_Of_Field); -- inherited op.
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-- For the remote zoom camera, perhaps the focusing algorithm is different
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-- For the remote zoom camera, perhaps the focusing algorithm is different
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-- in some way, so the original Focus operation is overridden here.
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-- in some way, so the original Focus operation is overridden here.
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-- Since the partial view is not an extension, the overriding operation
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-- Since the partial view is not an extension, the overriding operation
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-- must be declared after the full type. This version of Focus, although
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-- must be declared after the full type. This version of Focus, although
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-- not visible for type Zoom_Camera from outside the package, can still be
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-- not visible for type Zoom_Camera from outside the package, can still be
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-- dispatched to.
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-- dispatched to.
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-- Note: F392D00.Set_Shutter_Speed is inherited by Zoom_Camera from
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-- Note: F392D00.Set_Shutter_Speed is inherited by Zoom_Camera from
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-- F392D00.Remote_Camera, but since the operation never becomes visible
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-- F392D00.Remote_Camera, but since the operation never becomes visible
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-- within the immediate scope of Zoom_Camera, it is never implicitly
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-- within the immediate scope of Zoom_Camera, it is never implicitly
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-- declared.
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-- declared.
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end C392D01_0;
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end C392D01_0;
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--==================================================================--
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--==================================================================--
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package body C392D01_0 is
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package body C392D01_0 is
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procedure Focus (C : in out Zoom_Camera;
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procedure Focus (C : in out Zoom_Camera;
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Depth : in F392D00.Depth_Of_Field) is
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Depth : in F392D00.Depth_Of_Field) is
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begin
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begin
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-- Artificial for testing purposes.
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-- Artificial for testing purposes.
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C.DOF := 83;
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C.DOF := 83;
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end Focus;
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end Focus;
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-----------------------------------------------------------
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-----------------------------------------------------------
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-- Indirect call to F392D00.Self_Test since the main does not know
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-- Indirect call to F392D00.Self_Test since the main does not know
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-- that Zoom_Camera is a private extension of F392D00.Basic_Camera.
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-- that Zoom_Camera is a private extension of F392D00.Basic_Camera.
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procedure Self_Test (C : in out Zoom_Camera'Class) is
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procedure Self_Test (C : in out Zoom_Camera'Class) is
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begin
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begin
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F392D00.Self_Test (C);
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F392D00.Self_Test (C);
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-- ...Additional self-testing.
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-- ...Additional self-testing.
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end Self_Test;
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end Self_Test;
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-----------------------------------------------------------
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-----------------------------------------------------------
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function TC_Correct_Result (C : Zoom_Camera;
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function TC_Correct_Result (C : Zoom_Camera;
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D : F392D00.Depth_Of_Field;
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D : F392D00.Depth_Of_Field;
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S : F392D00.Shutter_Speed) return Boolean is
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S : F392D00.Shutter_Speed) return Boolean is
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use type F392D00.Depth_Of_Field;
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use type F392D00.Depth_Of_Field;
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use type F392D00.Shutter_Speed;
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use type F392D00.Shutter_Speed;
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begin
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begin
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return (C.DOF = D and C.Shutter = S);
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return (C.DOF = D and C.Shutter = S);
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end TC_Correct_Result;
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end TC_Correct_Result;
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end C392D01_0;
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end C392D01_0;
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--==================================================================--
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--==================================================================--
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with F392D00;
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with F392D00;
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package C392D01_0.C392D01_1 is
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package C392D01_0.C392D01_1 is
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|
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type Film_Speed is private;
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type Film_Speed is private;
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type Auto_Speed is new Zoom_Camera with private;
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type Auto_Speed is new Zoom_Camera with private;
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|
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-- Implicit function TC_Correct_Result (Auto_Speed) declared here.
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-- Implicit function TC_Correct_Result (Auto_Speed) declared here.
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|
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procedure Set_Shutter_Speed (C : in out Auto_Speed;
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procedure Set_Shutter_Speed (C : in out Auto_Speed;
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Speed : in F392D00.Shutter_Speed);
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Speed : in F392D00.Shutter_Speed);
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|
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-- This version of Set_Shutter_Speed does NOT override the operation
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-- This version of Set_Shutter_Speed does NOT override the operation
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-- inherited from Zoom_Camera, because the inherited operation is never
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-- inherited from Zoom_Camera, because the inherited operation is never
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-- visible (and thus, is never implicitly declared) within the immediate
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-- visible (and thus, is never implicitly declared) within the immediate
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-- scope of type Auto_Speed.
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-- scope of type Auto_Speed.
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|
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procedure Self_Test (C : in out Auto_Speed'Class);
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procedure Self_Test (C : in out Auto_Speed'Class);
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|
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-- ...Other operations.
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-- ...Other operations.
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private
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private
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type Film_Speed is (One_Hundred, Two_Hundred, Four_Hundred);
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type Film_Speed is (One_Hundred, Two_Hundred, Four_Hundred);
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|
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type Auto_Speed is new Zoom_Camera with record
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type Auto_Speed is new Zoom_Camera with record
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ASA : Film_Speed;
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ASA : Film_Speed;
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end record;
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end record;
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|
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-- procedure Focus (C : in out Auto_Speed; -- Implicitly
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-- procedure Focus (C : in out Auto_Speed; -- Implicitly
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-- Depth : in F392D00.Depth_Of_Field); -- declared
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-- Depth : in F392D00.Depth_Of_Field); -- declared
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-- here.
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-- here.
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|
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end C392D01_0.C392D01_1;
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end C392D01_0.C392D01_1;
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|
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--==================================================================--
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--==================================================================--
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package body C392D01_0.C392D01_1 is
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package body C392D01_0.C392D01_1 is
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|
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procedure Set_Shutter_Speed (C : in out Auto_Speed;
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procedure Set_Shutter_Speed (C : in out Auto_Speed;
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Speed : in F392D00.Shutter_Speed) is
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Speed : in F392D00.Shutter_Speed) is
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begin
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begin
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-- Artificial for testing purposes.
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-- Artificial for testing purposes.
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C.Shutter := F392D00.Two_Fifty;
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C.Shutter := F392D00.Two_Fifty;
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end Set_Shutter_Speed;
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end Set_Shutter_Speed;
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-------------------------------------------------------
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-------------------------------------------------------
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procedure Self_Test (C : in out Auto_Speed'Class) is
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procedure Self_Test (C : in out Auto_Speed'Class) is
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begin
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begin
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-- Artificial for testing purposes.
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-- Artificial for testing purposes.
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Set_Shutter_Speed (C, F392D00.Thousand);
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Set_Shutter_Speed (C, F392D00.Thousand);
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Focus (C, 27);
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Focus (C, 27);
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end Self_Test;
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end Self_Test;
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end C392D01_0.C392D01_1;
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end C392D01_0.C392D01_1;
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|
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--==================================================================--
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--==================================================================--
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with F392D00;
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with F392D00;
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with C392D01_0.C392D01_1;
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with C392D01_0.C392D01_1;
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|
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with Report;
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with Report;
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procedure C392D01 is
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procedure C392D01 is
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Zooming_Camera : C392D01_0.Zoom_Camera;
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Zooming_Camera : C392D01_0.Zoom_Camera;
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Auto_Camera1 : C392D01_0.C392D01_1.Auto_Speed;
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Auto_Camera1 : C392D01_0.C392D01_1.Auto_Speed;
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Auto_Camera2 : C392D01_0.C392D01_1.Auto_Speed;
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Auto_Camera2 : C392D01_0.C392D01_1.Auto_Speed;
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|
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TC_Expected_Zoom_Depth : constant F392D00.Depth_Of_Field := 83;
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TC_Expected_Zoom_Depth : constant F392D00.Depth_Of_Field := 83;
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TC_Expected_Auto_Depth : constant F392D00.Depth_Of_Field := 83;
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TC_Expected_Auto_Depth : constant F392D00.Depth_Of_Field := 83;
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TC_Expected_Depth : constant F392D00.Depth_Of_Field := 83;
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TC_Expected_Depth : constant F392D00.Depth_Of_Field := 83;
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TC_Expected_Zoom_Speed : constant F392D00.Shutter_Speed
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TC_Expected_Zoom_Speed : constant F392D00.Shutter_Speed
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:= F392D00.Thousand;
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:= F392D00.Thousand;
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TC_Expected_Auto_Speed : constant F392D00.Shutter_Speed
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TC_Expected_Auto_Speed : constant F392D00.Shutter_Speed
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:= F392D00.Thousand;
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:= F392D00.Thousand;
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TC_Expected_Speed : constant F392D00.Shutter_Speed
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TC_Expected_Speed : constant F392D00.Shutter_Speed
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:= F392D00.Two_Fifty;
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:= F392D00.Two_Fifty;
|
|
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use type F392D00.Depth_Of_Field;
|
use type F392D00.Depth_Of_Field;
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use type F392D00.Shutter_Speed;
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use type F392D00.Shutter_Speed;
|
|
|
begin
|
begin
|
Report.Test ("C392D01", "Dispatching for overridden and non-overridden " &
|
Report.Test ("C392D01", "Dispatching for overridden and non-overridden " &
|
"primitive subprograms: private extension declared in child " &
|
"primitive subprograms: private extension declared in child " &
|
"unit, parent is tagged private whose full view is derived " &
|
"unit, parent is tagged private whose full view is derived " &
|
"type");
|
"type");
|
|
|
|
|
|
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-- Call the class-wide operation (Self_Test) for Zoom_Camera'Class, which
|
-- Call the class-wide operation (Self_Test) for Zoom_Camera'Class, which
|
-- itself calls the class-wide operation for Remote_Camera'Class, which
|
-- itself calls the class-wide operation for Remote_Camera'Class, which
|
-- in turn makes dispatching calls to Focus and Set_Shutter_Speed:
|
-- in turn makes dispatching calls to Focus and Set_Shutter_Speed:
|
|
|
|
|
-- For an object of type Zoom_Camera, the dispatching call to Focus should
|
-- For an object of type Zoom_Camera, the dispatching call to Focus should
|
-- dispatch to the body explicitly declared for Zoom_Camera. The dispatching
|
-- dispatch to the body explicitly declared for Zoom_Camera. The dispatching
|
-- to Set_Shutter_Speed should dispatch to the body declared for
|
-- to Set_Shutter_Speed should dispatch to the body declared for
|
-- Remote_Camera:
|
-- Remote_Camera:
|
|
|
C392D01_0.Self_Test(Zooming_Camera);
|
C392D01_0.Self_Test(Zooming_Camera);
|
|
|
if not C392D01_0.TC_Correct_Result (Zooming_Camera,
|
if not C392D01_0.TC_Correct_Result (Zooming_Camera,
|
TC_Expected_Zoom_Depth,
|
TC_Expected_Zoom_Depth,
|
TC_Expected_Zoom_Speed)
|
TC_Expected_Zoom_Speed)
|
then
|
then
|
Report.Failed ("Calls dispatched incorrectly for tagged private type");
|
Report.Failed ("Calls dispatched incorrectly for tagged private type");
|
end if;
|
end if;
|
|
|
-- For an object of type Auto_Speed, the dispatching call to Focus should
|
-- For an object of type Auto_Speed, the dispatching call to Focus should
|
-- dispatch to the body explicitly declared for Zoom_Camera. The dispatching
|
-- dispatch to the body explicitly declared for Zoom_Camera. The dispatching
|
-- call to Set_Shutter_Speed should dispatch to the body explicitly declared
|
-- call to Set_Shutter_Speed should dispatch to the body explicitly declared
|
-- for Remote_Camera:
|
-- for Remote_Camera:
|
|
|
C392D01_0.Self_Test(Auto_Camera1);
|
C392D01_0.Self_Test(Auto_Camera1);
|
|
|
if not C392D01_0.C392D01_1.TC_Correct_Result (Auto_Camera1,
|
if not C392D01_0.C392D01_1.TC_Correct_Result (Auto_Camera1,
|
TC_Expected_Auto_Depth,
|
TC_Expected_Auto_Depth,
|
TC_Expected_Auto_Speed)
|
TC_Expected_Auto_Speed)
|
then
|
then
|
Report.Failed ("Calls dispatched incorrectly for private extension");
|
Report.Failed ("Calls dispatched incorrectly for private extension");
|
end if;
|
end if;
|
|
|
-- Call to Self_Test from C392D01_0.C392D01_1 invokes the dispatching call
|
-- Call to Self_Test from C392D01_0.C392D01_1 invokes the dispatching call
|
-- to Focus which should dispatch to the body explicitly declared for
|
-- to Focus which should dispatch to the body explicitly declared for
|
-- Zoom_Camera. The dispatching call to Set_Shutter_Speed should dispatch
|
-- Zoom_Camera. The dispatching call to Set_Shutter_Speed should dispatch
|
-- to the body explicitly declared for Auto_Speed:
|
-- to the body explicitly declared for Auto_Speed:
|
|
|
C392D01_0.C392D01_1.Self_Test(Auto_Camera2);
|
C392D01_0.C392D01_1.Self_Test(Auto_Camera2);
|
|
|
if not C392D01_0.C392D01_1.TC_Correct_Result (Auto_Camera2,
|
if not C392D01_0.C392D01_1.TC_Correct_Result (Auto_Camera2,
|
TC_Expected_Depth,
|
TC_Expected_Depth,
|
TC_Expected_Speed)
|
TC_Expected_Speed)
|
then
|
then
|
Report.Failed ("Call to explicit subprogram executed the wrong body");
|
Report.Failed ("Call to explicit subprogram executed the wrong body");
|
end if;
|
end if;
|
|
|
Report.Result;
|
Report.Result;
|
|
|
end C392D01;
|
end C392D01;
|
|
|
