gcc/testsuite/ada/acats/tests/c8/c87b07c.ada

   1 -- C87B07C.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 -- CHECK THAT OVERLOADING RESOLUTION USES THE RULE THAT:
  26 --
  27 -- FOR THE ATTRIBUTE OF THE FORM T'VALUE (X), THE OPERAND X MUST
  28 -- BE OF THE PREDEFINED TYPE STRING. THE RESULT IS OF TYPE T.
  29
  30 -- TRH  13 SEPT 82
  31 -- PWN 01/31/95  REMOVED INCONSISTENCIES WITH ADA 9X.
  32
  33 WITH REPORT; USE REPORT;
  34
  35 PROCEDURE C87B07C IS
  36
  37      TYPE CHAR IS NEW CHARACTER;
  38      TYPE LITS IS (' ', '+', '1');
  39      TYPE WORD IS ARRAY (POSITIVE RANGE 1..4) OF CHARACTER;
  40      TYPE LINE IS ARRAY (POSITIVE RANGE 1..4) OF CHAR;
  41      TYPE LIST IS ARRAY (POSITIVE RANGE 1..4) OF LITS;
  42      TYPE STR  IS ARRAY (POSITIVE RANGE 1..4) OF STRING (1 .. 1);
  43      TYPE STR2 IS NEW STRING (1..4);
  44      TYPE FLAG IS (PASS, FAIL);
  45      SUBTYPE MY_STRING IS STRING (1..4);
  46
  47      GENERIC
  48           TYPE T IS PRIVATE;
  49           ARG  : IN T;
  50           STAT : IN FLAG;
  51      FUNCTION F1 RETURN T;
  52
  53      FUNCTION F1 RETURN T IS
  54      BEGIN
  55           IF STAT = FAIL THEN
  56                FAILED ("THE 'VALUE' ATTRIBUTE TAKES AN OPERAND" &
  57                        " OF THE TYPE PREDEFINED STRING");
  58           END IF;
  59           RETURN ARG;
  60      END F1;
  61
  62      FUNCTION F IS NEW F1 (STR2,   " +1 ",               FAIL);
  63      FUNCTION F IS NEW F1 (LIST,   " +1 ",               FAIL);
  64      FUNCTION F IS NEW F1 (WORD,   (' ', '+', '1', ' '), FAIL);
  65      FUNCTION F IS NEW F1 (STR,    (" ", "+", "1", " "), FAIL);
  66      FUNCTION F IS NEW F1 (LINE,   (' ', '+', '1', ' '), FAIL);
  67      FUNCTION F IS NEW F1 (MY_STRING, " +1 ",               PASS);
  68
  69 BEGIN
  70      TEST ("C87B07C","OVERLOADED OPERANDS TO THE 'VALUE' ATTRIBUTE");
  71
  72      DECLARE
  73           TYPE INT IS NEW INTEGER;
  74           FUNCTION "-" (X : INT) RETURN INT
  75                RENAMES "+";
  76
  77      BEGIN
  78           IF INT'VALUE (F) /= -1 THEN
  79                FAILED ("THE ATTRIBUTE T'VALUE MUST RETURN A VALUE" &
  80                        " OF TYPE T");
  81           END IF;
  82      END;
  83
  84      RESULT;
  85 END C87B07C;