| -- 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; |