gcc/testsuite/ada/acats/tests/c4/c45252b.ada

   1 -- C45252B.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 -- OBJECTIVE:
  26 --     CHECK THAT NO EXCEPTION IS RAISED WHEN A FIXED POINT LITERAL
  27 --     OPERAND IN A COMPARISON OR A FIXED POINT LITERAL LEFT OPERAND
  28 --     IN A MEMBERSHIP TEST BELONGS TO THE BASE TYPE BUT IS OUTSIDE
  29 --     THE RANGE OF THE SUBTYPE.
  30
  31 -- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
  32 -- ***       remove incompatibilities associated with the transition   -- 9X
  33 -- ***       to Ada 9X.                                                -- 9X
  34
  35 -- HISTORY:
  36 --     PWB 09/04/86 CREATED ORIGINAL TEST.
  37 --     DHH 10/19/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
  38 --     JRL 03/30/93 REMOVED NUMERIC_ERROR FROM TEST.
  39
  40 WITH REPORT, SYSTEM; USE REPORT;
  41 PROCEDURE C45252B IS
  42
  43 BEGIN
  44
  45      TEST ("C45252B", "NO EXCEPTION IS RAISED WHEN A FIXED " &
  46                       "LITERAL USED IN A COMPARISON OR AS THE " &
  47                       "LEFT OPERAND IN A MEMBERSHIP TEST " &
  48                       "BELONGS TO THE BASE TYPE BUT IS OUTSIDE " &
  49                       "THE RANGE OF THE SUBTYPE");
  50
  51      DECLARE
  52           TYPE FIXED IS DELTA 0.25 RANGE -10.0 .. 10.0;
  53           SUBTYPE FIXED_1 IS FIXED RANGE -1.0 .. 1.0;
  54           NUM : FIXED_1 := 0.0;
  55      BEGIN    -- FIXED COMPARISON
  56
  57           IF EQUAL(3,3) THEN
  58                NUM := FIXED_1'(0.5);
  59           END IF;
  60
  61           IF 2.0 > NUM THEN
  62                COMMENT ("NO EXCEPTION RAISED FOR FIXED " &
  63                         "COMPARISON");
  64           ELSE
  65                FAILED ("WRONG RESULT FROM FIXED " &
  66                        "COMPARISON");
  67           END IF;
  68      EXCEPTION
  69           WHEN CONSTRAINT_ERROR =>
  70                FAILED ("CONSTRAINT_ERROR RAISED FOR " &
  71                        "FIXED COMPARISON");
  72           WHEN OTHERS =>
  73                FAILED ("OTHER EXCEPTION RAISED FOR " &
  74                        "FIXED COMPARISON");
  75      END;  -- FIXED COMPARISON
  76
  77      DECLARE
  78           TYPE FIXED IS DELTA 0.25 RANGE -10.0 .. 10.0;
  79           SUBTYPE FIXED_1 IS FIXED RANGE -1.0 .. 1.0;
  80      BEGIN    -- FIXED MEMBERSHIP
  81
  82           IF 2.0 IN FIXED_1 THEN
  83                FAILED ("WRONG RESULT FROM FIXED " &
  84                        "MEMBERSHIP");
  85           ELSE
  86                COMMENT ("NO EXCEPTION RAISED FOR FIXED " &
  87                         "MEMBERSHIP");
  88           END IF;
  89      EXCEPTION
  90           WHEN CONSTRAINT_ERROR =>
  91                FAILED ("CONSTRAINT_ERROR RAISED FOR  " &
  92                        "FIXED MEMBERSHIP");
  93           WHEN OTHERS =>
  94                FAILED ("OTHER EXCEPTION RAISED FOR  " &
  95                        "FIXED MEMBERSHIP");
  96      END;  -- FIXED MEMBERSHIP
  97
  98      DECLARE -- PRECISE FIXED COMPARISON
  99           TYPE FINE_FIXED IS DELTA SYSTEM.FINE_DELTA RANGE -1.0 .. 1.0;
 100           SUBTYPE SUB_FINE IS FINE_FIXED RANGE -0.5 .. 0.5;
 101           NUM : SUB_FINE := 0.0;
 102      BEGIN
 103           IF EQUAL(3,3) THEN
 104                NUM := 0.25;
 105           END IF;
 106
 107           IF 0.75 > NUM THEN
 108                COMMENT ("NO EXCEPTION RAISED FOR FINE_FIXED " &
 109                         "COMPARISON");
 110           ELSE
 111                FAILED ("WRONG RESULT FROM FINE_FIXED COMPARISON");
 112           END IF;
 113
 114      EXCEPTION
 115           WHEN CONSTRAINT_ERROR =>
 116                FAILED ("CONSTRAINT_ERROR RAISED FOR " &
 117                        "FINE_FIXED COMPARISON");
 118           WHEN OTHERS =>
 119                FAILED ("OTHER EXCEPTION RAISED FOR  " &
 120                        "FINE_FIXED COMPARISON");
 121      END;  --  FINE_FIXED COMPARISON
 122
 123      DECLARE -- PRECISE FIXED MEMBERSHIP
 124           TYPE FINE_FIXED IS DIGITS SYSTEM.MAX_DIGITS;
 125           SUBTYPE SUB_FINE IS FINE_FIXED RANGE -0.5 .. 0.5;
 126      BEGIN
 127
 128           IF 0.75 IN SUB_FINE THEN
 129                FAILED ("WRONG RESULT FROM FINE_FIXED MEMBERSHIP");
 130           ELSE
 131                COMMENT ("NO EXCEPTION RAISED FOR FINE_FIXED " &
 132                         "MEMBERSHIP");
 133           END IF;
 134
 135      EXCEPTION
 136           WHEN CONSTRAINT_ERROR =>
 137                FAILED ("CONSTRAINT_ERROR RAISED FOR " &
 138                        "FINE_FIXED MEMBERSHIP");
 139           WHEN OTHERS =>
 140                FAILED ("OTHER EXCEPTION RAISED FOR  " &
 141                        "FINE_FIXED MEMBERSHIP");
 142      END;  --  FINE_FIXED MEMBERSHIP
 143
 144      RESULT;
 145
 146 END C45252B;