gcc/testsuite/ada/acats/tests/c9/c97113a.ada

   1 -- C97113A.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 CONDITIONS, OPEN DELAY ALTERNATIVE EXPRESSIONS, AND
  26 --   OPEN ENTRY FAMILY INDICES ARE EVALUATED (EVEN WHEN SOME (PERHAPS
  27 --   ALL BUT ONE) OF THE ALTERNATIVES CAN BE RULED OUT WITHOUT
  28 --   COMPLETING THE EVALUATIONS).
  29
  30 -- RM 5/06/82
  31 -- SPS 11/21/82
  32 -- WRG 7/9/86    ADDED DELAY EXPRESSIONS AND ENTRY FAMILY INDICES.
  33
  34 with Impdef;
  35 WITH REPORT; USE REPORT;
  36 PROCEDURE C97113A IS
  37
  38      EXPR1_EVALUATED : BOOLEAN := FALSE;
  39      EXPR2_EVALUATED : BOOLEAN := FALSE;
  40      EXPR3_EVALUATED : BOOLEAN := FALSE;
  41
  42      FUNCTION F1 RETURN BOOLEAN IS
  43      BEGIN
  44           EXPR1_EVALUATED := TRUE;
  45           RETURN TRUE;
  46      END F1;
  47
  48      FUNCTION F2 (X : INTEGER) RETURN INTEGER IS
  49      BEGIN
  50           EXPR2_EVALUATED := TRUE;
  51           RETURN X;
  52      END F2;
  53
  54      FUNCTION F3 (X : DURATION) RETURN DURATION IS
  55      BEGIN
  56           EXPR3_EVALUATED := TRUE;
  57           RETURN X;
  58      END F3;
  59
  60 BEGIN
  61
  62      TEST ("C97113A", "CHECK THAT ALL CONDITIONS, OPEN DELAY " &
  63                       "ALTERNATIVE EXPRESSIONS, AND OPEN ENTRY " &
  64                       "FAMILY INDICES ARE EVALUATED");
  65
  66      DECLARE
  67
  68           TASK T IS
  69                ENTRY E1;
  70                ENTRY E2;
  71                ENTRY E3 (1..1);
  72           END T;
  73
  74           TASK BODY T IS
  75           BEGIN
  76                --ENSURE THAT E1 HAS BEEN CALLED BEFORE PROCEEDING:
  77                WHILE E1'COUNT = 0 LOOP
  78                     DELAY 1.0 * Impdef.One_Second;
  79                END LOOP;
  80
  81                SELECT
  82                     ACCEPT E1;
  83                OR
  84                     WHEN F1 =>
  85                          ACCEPT E2;
  86                OR
  87                     ACCEPT E3 ( F2(1) );
  88                OR
  89                     DELAY F3 ( 1.0 ) * Impdef.One_Second;
  90                END SELECT;
  91           END T;
  92
  93      BEGIN
  94
  95           T.E1;
  96
  97      END;
  98
  99      IF NOT EXPR1_EVALUATED THEN
 100           FAILED ("GUARD NOT EVALUATED");
 101      END IF;
 102
 103      IF NOT EXPR2_EVALUATED THEN
 104           FAILED ("ENTRY FAMILY INDEX NOT EVALUATED");
 105      END IF;
 106
 107      IF NOT EXPR3_EVALUATED THEN
 108           FAILED ("OPEN DELAY ALTERNATIVE EXPRESSION NOT EVALUATED");
 109      END IF;
 110
 111      RESULT;
 112
 113 END C97113A;