gcc/testsuite/ada/acats/tests/c9/c97301c.ada

   1 -- C97301C.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 A TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED
  26 -- AMOUNT OF TIME IF A RENDEVOUS IS NOT POSSIBLE.
  27
  28 -- CASE  C:  AN ACCEPT STATEMENT FOR THE CALLED ENTRY HAS NOT BEEN
  29 --           REACHED.
  30
  31 -- RJW 3/31/86
  32
  33 with Impdef;
  34 WITH REPORT; USE REPORT;
  35 WITH CALENDAR; USE CALENDAR;
  36 PROCEDURE C97301C IS
  37
  38      OR_BRANCH_TAKEN : BOOLEAN := FALSE;
  39
  40 BEGIN
  41
  42      TEST ("C97301C", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &
  43                       "LEAST THE SPECIFIED AMOUNT OF TIME WHEN AN " &
  44                       "ACCEPT STATEMENT FOR THE CALLED ENTRY HAS " &
  45                       "NOT BEEN REACHED" );
  46
  47
  48      DECLARE
  49           START_TIME : TIME;
  50           STOP_TIME : TIME;
  51           WAIT_TIME  : DURATION :=  3.0 * Impdef.One_Second;
  52
  53           TASK  T  IS
  54                ENTRY NO_SPIN;
  55                ENTRY DO_IT_NOW_OR_WAIT;
  56           END  T;
  57
  58           TASK BODY  T  IS
  59           BEGIN
  60                ACCEPT NO_SPIN;
  61                ACCEPT DO_IT_NOW_OR_WAIT;
  62           END  T;
  63
  64      BEGIN
  65           START_TIME := CLOCK;
  66           SELECT
  67                T.DO_IT_NOW_OR_WAIT;
  68                FAILED("RENDEZVOUS OCCURRED");
  69                ABORT T;
  70           OR
  71                                       -- THIS BRANCH MUST BE CHOSEN.
  72                DELAY WAIT_TIME;
  73                STOP_TIME := CLOCK;
  74                IF STOP_TIME >= (WAIT_TIME + START_TIME) THEN
  75                     NULL;
  76                ELSE
  77                     FAILED ( "INSUFFICIENT DELAY" );
  78                END IF;
  79                T.NO_SPIN;
  80                OR_BRANCH_TAKEN := TRUE;
  81                COMMENT( "OR_BRANCH TAKEN" );
  82                T.DO_IT_NOW_OR_WAIT;
  83           END SELECT;
  84      EXCEPTION
  85           WHEN TASKING_ERROR =>
  86                FAILED ( "TASKING ERROR" );
  87      END;
  88                                      -- END OF BLOCK CONTAINING TIMED
  89                                      -- ENTRY CALL.
  90
  91      -- BY NOW, TASK T IS TERMINATED (AND THE NONLOCALS UPDATED).
  92
  93      IF OR_BRANCH_TAKEN THEN
  94           NULL;
  95      ELSE
  96           FAILED( "RENDEZVOUS ATTEMPTED" );
  97      END IF;
  98
  99      RESULT;
 100
 101 END C97301C;