1-- C41206A.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 A RANGE L..R, WHERE L=SUCC(R) CAN BE USED TO FORM 26-- A NULL SLICE FROM AN ARRAY WHEN: 27-- BOTH L AND R SATISFY THE INDEX CONSTRAINT; 28-- L SATISFIES THE INDEX CONSTRAINT, R DOES NOT (BUT IT 29-- BELONGS TO THE BASE TYPE OF THE INDEX); 30-- L SATISFIES THE CONSTRAINT IMPOSED BY THE TYPE MARK OF 31-- THE INDEX, BUT NOT THE CONSTRAINT ASSOCIATED WITH 32-- THE INDEX; 33-- THE ARRAY IS NULL, AND L IS IN THE RANGE OF THE INDEX SUBTYPE. 34 35-- WKB 8/10/81 36 37WITH REPORT; 38USE REPORT; 39PROCEDURE C41206A IS 40 41 TYPE SMALL IS RANGE 1..100; 42 TYPE T IS ARRAY (SMALL RANGE <> ) OF INTEGER; 43 SUBTYPE T1 IS T(5..10); 44 A : T1 := (5,6,7,8,9,10); 45 B : T(8..7) := (8..7 => 1); 46 47BEGIN 48 TEST ("C41206A", "USING A RANGE L..R, WHERE L=SUCC(R), " & 49 "TO FORM A NULL SLICE FROM AN ARRAY"); 50 51 BEGIN 52 IF A (7..6) /= B OR A (SMALL(IDENT_INT(7))..6) /= B THEN 53 FAILED ("SLICE NOT NULL - 1"); 54 END IF; 55 EXCEPTION 56 WHEN OTHERS => FAILED ("EXCEPTION RAISED - 1"); 57 END; 58 59 BEGIN 60 IF A (5..4) /= B OR A (SMALL(IDENT_INT(5))..4) /= B THEN 61 FAILED ("SLICE NOT NULL - 2"); 62 END IF; 63 EXCEPTION 64 WHEN OTHERS => FAILED ("EXCEPTION RAISED - 2"); 65 END; 66 67 BEGIN 68 IF A (50..49) /= B OR A (SMALL(IDENT_INT(50))..49) /= B THEN 69 FAILED ("SLICE NOT NULL - 3"); 70 END IF; 71 EXCEPTION 72 WHEN OTHERS => FAILED ("EXCEPTION RAISED - 3"); 73 END; 74 75 BEGIN 76 IF B (50..49) /= B OR B (SMALL(IDENT_INT(50))..49) /= B THEN 77 FAILED ("SLICE NOT NULL - 4"); 78 END IF; 79 EXCEPTION 80 WHEN OTHERS => FAILED ("EXCEPTION RAISED - 4"); 81 END; 82 83 RESULT; 84END C41206A; 85