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jeremybenn |
-- C460012.A
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--
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-- Grant of Unlimited Rights
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--
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-- The Ada Conformity Assessment Authority (ACAA) holds unlimited
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-- rights in the software and documentation contained herein. Unlimited
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-- rights are the same as those granted by the U.S. Government for older
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-- parts of the Ada Conformity Assessment Test Suite, and are defined
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-- in DFAR 252.227-7013(a)(19). By making this public release, the ACAA
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-- intends to confer upon all recipients unlimited rights equal to those
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-- held by the ACAA. These rights include rights to use, duplicate,
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-- release or disclose the released technical data and computer software
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-- in whole or in part, in any manner and for any purpose whatsoever, and
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-- to have or permit others to do so.
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--
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-- DISCLAIMER
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--
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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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-- 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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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- OBJECTIVE:
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-- Check that the view created by a view conversion is constrained if the
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-- target subtype is indefinite. (Defect Report 8652/0017, Technical
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-- Corrigendum 4.6(54/1)).
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--
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-- CHANGE HISTORY:
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-- 25 JAN 2001 PHL Initial version.
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-- 29 JUN 2001 RLB Reformatted for ACATS. Added optimization blocking.
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-- 02 JUL 2001 RLB Fixed discriminant reference.
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--
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--!
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with Ada.Exceptions;
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use Ada.Exceptions;
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with Report;
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use Report;
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procedure C460012 is
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subtype Index is Positive range 1 .. 10;
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type Definite_Parent (D1 : Index := 6) is
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record
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F : String (1 .. D1) := (others => 'a');
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end record;
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type Indefinite_Child (D2 : Index) is new Definite_Parent (D1 => D2);
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Y : Definite_Parent;
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procedure P (X : in out Indefinite_Child) is
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C : Character renames X.F (3);
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begin
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X := (1, "a");
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if C /= 'a' then
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Failed ("No exception raised when changing the " &
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"discriminant of a view conversion, value of C changed");
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elsif X.D2 /= 1 then
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Failed ("No exception raised when changing the " &
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"discriminant of a view conversion, discriminant not " &
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"changed");
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-- This check primarily exists to prevent X from being optimized by
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-- 11.6 permissions, or the Failed call being made before the assignment.
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else
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Failed ("No exception raised when changing the " &
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"discriminant of a view conversion, discriminant changed");
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end if;
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exception
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when Constraint_Error =>
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null;
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when E: others =>
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Failed ("Wrong exception " & Exception_Name (E) & " raised - " &
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Exception_Message (E));
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end P;
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begin
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Test ("C460012",
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"Check that the view created by a view conversion " &
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"is constrained if the target subtype is indefinite");
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P (Indefinite_Child (Y));
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if Y.D1 /= Ident_Int(6) then
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Failed ("Discriminant of indefinite view changed");
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-- This check exists mainly to prevent Y from being optimized away.
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end if;
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Result;
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end C460012;
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