old-autovect-branch/gcc/testsuite/ada/acats/tests/cd/cda201a.ada

   1 -- CDA201A.ADA
   2
   3 --                             Grant of Unlimited Rights
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   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 UNCHECKED_CONVERSION CAN BE INSTANTIATED FOR
  27 --     CONVERSION BETWEEN INTEGER AND BOOLEAN ARRAY TYPES.
  28
  29 -- HISTORY:
  30 --     JET 09/12/88  CREATED ORIGINAL TEST.
  31 --     DHH 05/17/89  CHANGED FROM '.DEP' TEST TO '.ADA' TEST.
  32
  33 WITH REPORT; USE REPORT;
  34 WITH UNCHECKED_CONVERSION;
  35 PROCEDURE CDA201A IS
  36
  37      TYPE BOOL_ARR IS ARRAY (1..INTEGER'SIZE) OF BOOLEAN;
  38      PRAGMA PACK (BOOL_ARR);
  39
  40      I : INTEGER;
  41      B : BOOL_ARR;
  42
  43      FUNCTION INT_TO_BOOL IS NEW
  44                                UNCHECKED_CONVERSION (INTEGER, BOOL_ARR);
  45
  46      FUNCTION BOOL_TO_INT IS NEW UNCHECKED_CONVERSION(BOOL_ARR,INTEGER);
  47
  48 BEGIN
  49      TEST ("CDA201A", "CHECK THAT UNCHECKED_CONVERSION CAN BE " &
  50                       "INSTANTIATED FOR CONVERSION BETWEEN " &
  51                       "INTEGER AND BOOLEAN ARRAY TYPES");
  52
  53      I := BOOL_TO_INT((1..INTEGER'SIZE => IDENT_BOOL(TRUE)));
  54
  55      IF INT_TO_BOOL(IDENT_INT(I)) /= (1..INTEGER'SIZE => TRUE) THEN
  56           FAILED("INCORRECT RESULT FROM ARRAY-INTEGER-ARRAY");
  57      END IF;
  58
  59      B := INT_TO_BOOL(IDENT_INT(-1));
  60
  61      FOR J IN B'RANGE LOOP
  62           B(J) := IDENT_BOOL(B(J));
  63      END LOOP;
  64
  65      IF BOOL_TO_INT(B) /= -1 THEN
  66           FAILED("INCORRECT RESULT FROM INTEGER-ARRAY-INTEGER");
  67      END IF;
  68
  69      RESULT;
  70 END CDA201A;