c35503h.ada

来自「用于进行gcc测试」· ADA 代码 · 共 95 行

-- C35503H.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 'PRED' AND 'SUCC' YIELD THE CORRECT RESULT WHEN THE
--     PREFIX IS A GENERIC FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER
--     IS AN INTEGER TYPE.

-- HISTORY:
--     RJW 03/17/86 CREATED ORIGINAL TEST.
--     DHH 10/19/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.

WITH REPORT; USE REPORT;

PROCEDURE C35503H IS

BEGIN
     TEST ("C35503H", "CHECK THAT 'PRED' AND 'SUCC' YIELD THE " &
                      "CORRECT RESULT WHEN THE PREFIX IS A GENERIC " &
                      "FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER " &
                      "IS AN INTEGER TYPE" );

     DECLARE
          TYPE INTRANGE IS RANGE -6 .. 6;

          GENERIC
               TYPE INT IS (<>);
          PROCEDURE P (STR : STRING);

          PROCEDURE P (STR : STRING) IS
               SUBTYPE SINT IS INT
                    RANGE INT'VAL (IDENT_INT(-4)) ..
                                                INT'VAL (IDENT_INT(4));
          BEGIN
               FOR I IN INT'VAL (IDENT_INT(-6))  ..
                                                INT'VAL (IDENT_INT(6))
               LOOP
                    BEGIN
                         IF SINT'PRED (I) /=
                            SINT'VAL (SINT'POS (I) - 1) THEN
                              FAILED ( "WRONG " & STR & "'PRED " &
                                       "FOR " & INT'IMAGE (I) );
                         END IF;
                    EXCEPTION
                         WHEN OTHERS =>
                              FAILED ( "EXCEPTION RAISED FOR " &
                                        STR & "'PRED OF " &
                                        INT'IMAGE (I));
                    END;
                    BEGIN
                         IF SINT'SUCC (I) /=
                            SINT'VAL (SINT'POS (I) + 1) THEN
                              FAILED ( "WRONG " & STR & "'SUCC " &
                                       "FOR " &  INT'IMAGE (I));
                         END IF;
                    EXCEPTION
                         WHEN OTHERS =>
                              FAILED ( "EXCEPTION RAISED FOR " &
                                        STR & "'SUCC OF " &
                                        INT'IMAGE (I));
                    END;
               END LOOP;
          END P;

          PROCEDURE PROC1 IS NEW P (INTRANGE);
          PROCEDURE PROC2 IS NEW P (INTEGER);
     BEGIN
          PROC1 ("INTRANGE");
          PROC2 ("INTEGER");
     END;

     RESULT;
END C35503H;