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-- C41105A.ADA
-- 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 CONSTRAINT_ERROR IS RAISED IF THE NAME PART OF AN
-- INDEXED COMPONENT DENOTES AN ACCESS OBJECT WHOSE VALUE IS NULL,
-- AND ALSO IF THE NAME IS A FUNCTION CALL DELIVERING NULL.
-- HISTORY:
-- WKB 07/29/81 CREATED ORIGINAL TEST.
-- SPS 10/26/82
-- JET 01/05/88 UPDATED HEADER FORMAT AND ADDED CODE TO PREVENT
-- OPTIMIZATION.
WITH REPORT;
USE REPORT;
PROCEDURE C41105A IS
BEGIN
TEST ("C41105A", "CONSTRAINT_ERROR FROM NAMES DENOTING A NULL " &
"ACCESS OBJECT AND A FUNCTION CALL DELIVERING " &
"NULL");
DECLARE
TYPE T1 IS ARRAY (1..2) OF INTEGER;
TYPE A1 IS ACCESS T1;
B : A1 := NEW T1' (1,2);
I : INTEGER;
BEGIN
IF EQUAL (3,3) THEN
B := NULL;
END IF;
I := B(1);
FAILED ("CONSTRAINT_ERROR NOT RAISED - 1");
IF EQUAL (I,I) THEN
COMMENT ("NO EXCEPTION RAISED");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR => NULL;
WHEN OTHERS => FAILED ("WRONG EXCEPTION - 1");
END;
DECLARE
TYPE T2 IS ARRAY (1..2) OF INTEGER;
TYPE A2 IS ACCESS T2;
I : INTEGER;
FUNCTION F RETURN A2 IS
BEGIN
IF EQUAL (3,3) THEN
RETURN NULL;
END IF;
RETURN NEW T2' (1,2);
END F;
BEGIN
I := F(1);
FAILED ("CONSTRAINT_ERROR NOT RAISED - 2");
IF EQUAL (I,I) THEN
COMMENT ("NO EXCEPTION RAISED");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR => NULL;
WHEN OTHERS => FAILED ("WRONG EXCEPTION - 2");
END;
RESULT;
END C41105A;
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