gcc/testsuite/ada/acats/tests/c3/c37304a.ada

   1 -- C37304A.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 ALL FORMS OF CHOICE ARE PERMITTED IN A VARIANT_PART,
  26 -- AND, IN PARTICULAR, THAT FORMS LIKE ST RANGE L..R, AND ST ARE
  27 -- PERMITTED.
  28
  29 -- ASL 7/31/81
  30 --  RM 8/26/82
  31 -- SPS 1/21/83
  32
  33 WITH REPORT;
  34 PROCEDURE C37304A IS
  35
  36      USE REPORT;
  37
  38 BEGIN
  39
  40      TEST("C37304A","ALL FORMS OF CHOICE ALLOWED IN A VARIANT_PART");
  41
  42      DECLARE
  43
  44           TYPE T IS RANGE 1 .. 10;
  45           C5 : CONSTANT T := 5;
  46           SUBTYPE S1 IS T RANGE 1 .. 5;
  47           SUBTYPE S2 IS T RANGE C5 + 1 .. 7;
  48           SUBTYPE SN IS T RANGE C5 + 4 .. C5 - 4 + 7;  -- NULL RANGE.
  49           SUBTYPE S10 IS T RANGE C5 + 5 .. T'LAST;
  50
  51           TYPE VREC( DISC : T := 8 ) IS
  52                RECORD
  53                     CASE DISC IS
  54                          WHEN SN                       -- 9..8
  55                          | S1 RANGE 1 .. 0             -- 1..0
  56                          | S2 RANGE C5 + 2 .. C5 + 1   -- 7..6
  57                          | 3 .. 2                      -- 3..2
  58                               => NULL;
  59
  60                          WHEN  S1 RANGE 4 .. C5        -- 4..5
  61                          | S1 RANGE C5 - 4 .. C5 / 2   -- 1..2
  62                          | 3 .. 1 + C5 MOD 3           -- 3..3
  63                          | SN                          -- 9..8
  64                          | S1 RANGE 5 .. C5 - 1        -- 5..4
  65                          | 6 .. 7                      -- 6..7
  66                          | S10                         -- 10..10
  67                          | 9                           -- 9
  68                          | S10 RANGE 10 .. 9           -- 10..9
  69                               => NULL;
  70
  71                          WHEN C5 + C5 - 2 .. 8         -- 8
  72                               => NULL;
  73
  74                     END CASE;
  75                END RECORD;
  76
  77           V : VREC;
  78
  79      BEGIN
  80
  81           IF EQUAL(3,3) THEN
  82                V := (DISC => 5);
  83           END IF;
  84           IF V.DISC /= 5 THEN
  85                FAILED ("ASSIGNMENT FAILED");
  86           END IF;
  87
  88      END;
  89
  90      RESULT;
  91
  92 END C37304A;