Subversion Repositories openrisc

-- C41206A.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.

--*

-- CHECK THAT A RANGE L..R, WHERE L=SUCC(R) CAN BE USED TO FORM

--   A NULL SLICE FROM AN ARRAY WHEN:

--        BOTH L AND R SATISFY THE INDEX CONSTRAINT;

--        L SATISFIES THE INDEX CONSTRAINT, R DOES NOT (BUT IT

--             BELONGS TO THE BASE TYPE OF THE INDEX);

--        L SATISFIES THE CONSTRAINT IMPOSED BY THE TYPE MARK OF

--             THE INDEX, BUT NOT THE CONSTRAINT ASSOCIATED WITH

--             THE INDEX;

--        THE ARRAY IS NULL, AND L IS IN THE RANGE OF THE INDEX SUBTYPE.

-- WKB 8/10/81

WITH REPORT;

USE REPORT;

PROCEDURE C41206A IS

     TYPE SMALL IS RANGE 1..100;

     TYPE T IS ARRAY (SMALL RANGE <> ) OF INTEGER;

     SUBTYPE T1 IS T(5..10);

     A : T1 := (5,6,7,8,9,10);

     B : T(8..7) := (8..7 => 1);

BEGIN

     TEST ("C41206A", "USING A RANGE L..R, WHERE L=SUCC(R), " &

                      "TO FORM A NULL SLICE FROM AN ARRAY");

     BEGIN

          IF A (7..6) /= B OR A (SMALL(IDENT_INT(7))..6) /= B THEN

               FAILED ("SLICE NOT NULL - 1");

          END IF;

     EXCEPTION

          WHEN OTHERS => FAILED ("EXCEPTION RAISED - 1");

     END;

     BEGIN

          IF A (5..4) /= B OR A (SMALL(IDENT_INT(5))..4) /= B THEN

               FAILED ("SLICE NOT NULL - 2");

          END IF;

     EXCEPTION

          WHEN OTHERS => FAILED ("EXCEPTION RAISED - 2");

     END;

     BEGIN

          IF A (50..49) /= B OR A (SMALL(IDENT_INT(50))..49) /= B THEN

               FAILED ("SLICE NOT NULL - 3");

          END IF;

     EXCEPTION

          WHEN OTHERS => FAILED ("EXCEPTION RAISED - 3");

     END;

     BEGIN

          IF B (50..49) /= B OR B (SMALL(IDENT_INT(50))..49) /= B THEN

               FAILED ("SLICE NOT NULL - 4");

          END IF;

     EXCEPTION

          WHEN OTHERS => FAILED ("EXCEPTION RAISED - 4");

     END;

     RESULT;

END C41206A;