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-- C97301E.ADA

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 

--     this public release, the Government intends to confer upon all 

--     recipients unlimited rights  equal to those held by the Government.  

--     These rights include rights to use, duplicate, release or disclose the 

--     released technical data and computer software in whole or in part, in 

--     any manner and for any purpose whatsoever, and to have or permit others 

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT LEAST THE SPECIFIED 

-- AMOUNT OF TIME IF A RENDEZVOUS IS NOT POSSIBLE.

-- CASE  E:  THE BODY OF THE TASK CONTAINING THE CALLED ENTRY

--           DOES NOT CONTAIN AN ACCEPT_STATEMENT FOR THAT ENTRY  -

--           (THE ENTRY BELONGS TO AN ENTRY FAMILY; SOME FAMILY MEMBERS

--           ARE "ACCEPTABLE", BUT NOT THE CALLED ONE.)

-- RJW 3/31/86

with Impdef;

WITH REPORT; USE REPORT;

WITH CALENDAR; USE CALENDAR;

PROCEDURE C97301E IS

     OR_BRANCH_TAKEN : BOOLEAN := FALSE;

BEGIN

     TEST ("C97301E", "CHECK THAT A TIMED_ENTRY_CALL DELAYS FOR AT " &

                      "LEAST THE SPECIFIED AMOUNT OF TIME " &

                      "IN THE ABSENCE OF A CORRESPONDING " &

                      "ACCEPT_STATEMENT " );

     DECLARE

          WAIT_TIME : DURATION :=  3.0 * Impdef.One_Second;

          START_TIME : TIME;

          STOP_TIME : TIME;

          SUBTYPE  SHORT  IS  INTEGER RANGE 10..20 ;

          KEEP_ALIVE  :  INTEGER  := 15 ;

          TASK  T  IS

               ENTRY  DO_IT_NOW_OR_WAIT ( SHORT ) ;

          END  T ;

          TASK BODY  T  IS

          BEGIN

               -- NO ACCEPT_STATEMENT FOR THE ENTRY_CALL BEING TESTED.

               ACCEPT  DO_IT_NOW_OR_WAIT ( IDENT_INT(15) );

                                     -- THIS ALSO PREVENTS THIS SERVER

                                     --     TASK FROM TERMINATING IF

                                     --     UPON ACTIVATION

                                     --     IT GETS TO RUN    

                                     --     AHEAD OF THE CALLER (WHICH

                                     --     WOULD LEAD TO A SUBSEQUENT

                                     --     TASKING_ERROR AT THE TIME 

                                     --     OF THE NO-WAIT CALL).

          END ;

     BEGIN

          START_TIME := CLOCK;

          SELECT

               T.DO_IT_NOW_OR_WAIT (10) ;  -- ACCEPT_STATEMENT HAS 15.

          OR

                            --   THEREFORE THIS BRANCH MUST BE CHOSEN.

               DELAY WAIT_TIME;

               STOP_TIME := CLOCK;

               IF STOP_TIME >= (WAIT_TIME + START_TIME) THEN

                    NULL;

               ELSE

                    FAILED ( "INSUFFICIENT DELAY" );

               END IF;

               OR_BRANCH_TAKEN := TRUE ;

               COMMENT( "OR_BRANCH TAKEN" );

          END SELECT;

          T.DO_IT_NOW_OR_WAIT (KEEP_ALIVE) ;

     EXCEPTION

          WHEN TASKING_ERROR =>

               FAILED ( "TASKING ERROR" );

     END;   -- END OF BLOCK CONTAINING THE TIMED ENTRY CALL.

     -- BY NOW, TASK T IS TERMINATED.

     IF  OR_BRANCH_TAKEN  THEN

          NULL ;

     ELSE

          FAILED( "RENDEZVOUS ATTEMPTED" );

     END IF;

     RESULT;

END  C97301E ;