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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/c4/c460012.a')
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1 files changed, 93 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/c4/c460012.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/c4/c460012.a new file mode 100644 index 000000000..0fb32060a --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/c4/c460012.a @@ -0,0 +1,93 @@ +-- C460012.A +-- +-- Grant of Unlimited Rights +-- +-- The Ada Conformity Assessment Authority (ACAA) holds unlimited +-- rights in the software and documentation contained herein. Unlimited +-- rights are the same as those granted by the U.S. Government for older +-- parts of the Ada Conformity Assessment Test Suite, and are defined +-- in DFAR 252.227-7013(a)(19). By making this public release, the ACAA +-- intends to confer upon all recipients unlimited rights equal to those +-- held by the ACAA. 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 the view created by a view conversion is constrained if the +-- target subtype is indefinite. (Defect Report 8652/0017, Technical +-- Corrigendum 4.6(54/1)). +-- +-- CHANGE HISTORY: +-- 25 JAN 2001 PHL Initial version. +-- 29 JUN 2001 RLB Reformatted for ACATS. Added optimization blocking. +-- 02 JUL 2001 RLB Fixed discriminant reference. +-- +--! +with Ada.Exceptions; +use Ada.Exceptions; +with Report; +use Report; +procedure C460012 is + + subtype Index is Positive range 1 .. 10; + + type Definite_Parent (D1 : Index := 6) is + record + F : String (1 .. D1) := (others => 'a'); + end record; + + type Indefinite_Child (D2 : Index) is new Definite_Parent (D1 => D2); + + Y : Definite_Parent; + + procedure P (X : in out Indefinite_Child) is + C : Character renames X.F (3); + begin + X := (1, "a"); + if C /= 'a' then + Failed ("No exception raised when changing the " & + "discriminant of a view conversion, value of C changed"); + elsif X.D2 /= 1 then + Failed ("No exception raised when changing the " & + "discriminant of a view conversion, discriminant not " & + "changed"); + -- This check primarily exists to prevent X from being optimized by + -- 11.6 permissions, or the Failed call being made before the assignment. + else + Failed ("No exception raised when changing the " & + "discriminant of a view conversion, discriminant changed"); + end if; + exception + when Constraint_Error => + null; + when E: others => + Failed ("Wrong exception " & Exception_Name (E) & " raised - " & + Exception_Message (E)); + end P; + +begin + Test ("C460012", + "Check that the view created by a view conversion " & + "is constrained if the target subtype is indefinite"); + + P (Indefinite_Child (Y)); + + if Y.D1 /= Ident_Int(6) then + Failed ("Discriminant of indefinite view changed"); + -- This check exists mainly to prevent Y from being optimized away. + end if; + + Result; +end C460012; + |