1-- C41205A.ADA 2 3-- Grant of Unlimited Rights 4-- 5-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, 6-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 7-- unlimited rights in the software and documentation contained herein. 8-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making 9-- this public release, the Government intends to confer upon all 10-- recipients unlimited rights equal to those held by the Government. 11-- These rights include rights to use, duplicate, release or disclose the 12-- released technical data and computer software in whole or in part, in 13-- any manner and for any purpose whatsoever, and to have or permit others 14-- to do so. 15-- 16-- DISCLAIMER 17-- 18-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR 19-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 20-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE 21-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 22-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A 23-- PARTICULAR PURPOSE OF SAID MATERIAL. 24--* 25-- CHECK THAT CONSTRAINT_ERROR IS RAISED IF THE NAME PART OF A 26-- SLICE DENOTES AN ACCESS OBJECT WHOSE VALUE IS NULL, AND 27-- ALSO IF THE NAME IS A FUNCTION CALL DELIVERING NULL. 28 29-- WKB 8/6/81 30-- SPS 10/26/82 31-- EDS 07/14/98 AVOID OPTIMIZATION 32 33WITH REPORT; 34USE REPORT; 35PROCEDURE C41205A IS 36 37BEGIN 38 TEST ("C41205A", "CONSTRAINT_ERROR WHEN THE NAME PART OF A " & 39 "SLICE DENOTES A NULL ACCESS OBJECT OR A " & 40 "FUNCTION CALL DELIVERING NULL"); 41 42 DECLARE 43 44 TYPE T IS ARRAY (INTEGER RANGE <> ) OF INTEGER; 45 SUBTYPE T1 IS T (1..5); 46 TYPE A1 IS ACCESS T1; 47 B : A1 := NEW T1' (1,2,3,4,5); 48 I : T (2..3); 49 50 BEGIN 51 52 IF EQUAL (3,3) THEN 53 B := NULL; 54 END IF; 55 56 I := B(2..3); 57 FAILED ("CONSTRAINT_ERROR NOT RAISED - 1 " & INTEGER'IMAGE(I(2))); 58 59 EXCEPTION 60 61 WHEN CONSTRAINT_ERROR => NULL; 62 WHEN OTHERS => FAILED ("WRONG EXCEPTION - 1"); 63 64 END; 65 66 DECLARE 67 68 TYPE T IS ARRAY (INTEGER RANGE <> ) OF INTEGER; 69 SUBTYPE T2 IS T (1..5); 70 TYPE A2 IS ACCESS T2; 71 I : T (2..5); 72 73 FUNCTION F RETURN A2 IS 74 BEGIN 75 IF EQUAL (3,3) THEN 76 RETURN NULL; 77 END IF; 78 RETURN NEW T2' (1,2,3,4,5); 79 END F; 80 81 BEGIN 82 83 I := F(2..5); 84 FAILED ("CONSTRAINT_ERROR NOT RAISED - 2 " & INTEGER'IMAGE(I(2))); 85 86 EXCEPTION 87 88 WHEN CONSTRAINT_ERROR => NULL; 89 WHEN OTHERS => FAILED ("WRONG EXCEPTION - 2"); 90 91 END; 92 93 RESULT; 94END C41205A; 95