gcc/testsuite/ada/acats/tests/c9/c97120a.ada

   1 -- C97120A.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 A SELECTIVE WAIT DELAYS AT LEAST AS LONG AS IS SPECIFIED
  26 -- IN A DELAY ALTERNATIVE.
  27
  28 -- WRG 7/11/86
  29
  30 with Impdef;
  31 WITH REPORT;   USE REPORT;
  32 WITH CALENDAR; USE CALENDAR;
  33 PROCEDURE C97120A IS
  34
  35 BEGIN
  36
  37      TEST ("C97120A", "CHECK THAT A SELECTIVE WAIT DELAYS AT LEAST " &
  38                       "AS LONG AS IS SPECIFIED IN A DELAY ALTERNATIVE");
  39
  40      DECLARE
  41
  42           TASK T IS
  43                ENTRY NO_GO;
  44                ENTRY SYNCH;
  45           END T;
  46
  47           TASK BODY T IS
  48                BEFORE, AFTER : TIME;
  49           BEGIN
  50                -- ENSURE THAT SYNCH HAS BEEN CALLED BEFORE PROCEEDING:
  51                WHILE SYNCH'COUNT = 0 LOOP
  52                     DELAY 1.0 * Impdef.One_Second;
  53                END LOOP;
  54
  55                BEFORE := CLOCK;
  56                SELECT
  57                     ACCEPT NO_GO;
  58                     FAILED ("ACCEPTED NONEXISTENT ENTRY CALL");
  59                OR
  60                     DELAY 10.0 * Impdef.One_Second;
  61                     AFTER := CLOCK;
  62                     IF AFTER - BEFORE < 10.0 * Impdef.One_Second THEN
  63                          FAILED ("INSUFFICIENT DELAY");
  64                     END IF;
  65                END SELECT;
  66
  67                ACCEPT SYNCH;
  68           EXCEPTION
  69                WHEN OTHERS =>
  70                     FAILED ("EXCEPTION RAISED");
  71           END T;
  72
  73      BEGIN
  74
  75           T.SYNCH;  -- SUSPEND MAIN TASK BEFORE READING CLOCK.
  76
  77      END;
  78
  79      RESULT;
  80
  81 END C97120A;