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-- C91004B.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.

--*

-- OBJECTIVE:

--     CHECK THAT A TASK (TYPE) IDENTIFIER, WHEN USED WITHIN ITS OWN

--     BODY, REFERS TO THE EXECUTING TASK.

--      TEST USING IDENTIFIER IN ABORT STATEMENT, AS AN EXPRESSION IN

--      A MEMBERSHIP TEST, AND THE PREFIX OF 'CALLABLE AND

--      'TERMINATED.

-- HISTORY:

--     WEI  3/ 4/82  CREATED ORIGINAL TEST.

--     RJW 11/13/87  RENAMED TEST FROM C910BDA.ADA.  ADDED CHECKS FOR

--                   MEMBERSHIP TEST, AND 'CALLABLE AND 'TERMINATED

--                   ATTRIBUTES.

WITH REPORT;  USE REPORT;

PROCEDURE C91004B IS

     TYPE I0 IS RANGE 0..1;

     SUBTYPE ARG IS NATURAL RANGE 0..9;

     SPYNUMB : NATURAL := 0;

     TASK TYPE TT1 IS

          ENTRY E1 (P1 : IN I0; P2 : ARG);

          ENTRY BYE;

     END TT1;

     SUBTYPE SUB_TT1 IS TT1;

     OBJ_TT1 : ARRAY (NATURAL RANGE 1..2) OF TT1;

     PROCEDURE PSPY_NUMB (DIGT: IN ARG) IS

     BEGIN

          SPYNUMB := 10*SPYNUMB+DIGT;

     END PSPY_NUMB;

     TASK BODY TT1 IS

     BEGIN

          IF TT1 NOT IN SUB_TT1 THEN

               FAILED ("INCORRECT RESULTS FOR MEMBERSHIP TEST");

          END IF;

          IF NOT TT1'CALLABLE THEN

               FAILED ("INCORRECT RESULTS FOR 'CALLABLE");

          END IF;

          IF TT1'TERMINATED THEN

               FAILED ("INCORRECT RESULTS FOR 'TERMINATED");

          END IF;

          ACCEPT E1 (P1 : IN I0; P2 : ARG) DO

               IF P1 = 1 THEN

                    ABORT TT1;

                    ACCEPT BYE;    -- WILL DEADLOCK IF NOT ABORTED.

               END IF;

               PSPY_NUMB (ARG (P2));

          END E1;

     END TT1;

BEGIN

     TEST ("C91004B", "TASK IDENTIFIER IN OWN BODY");

     BEGIN

          OBJ_TT1 (1).E1 (1,1);

          FAILED ("NO TASKING_ERROR RAISED");

-- ABORT DURING RENDEVOUS RAISES TASKING ERROR

     EXCEPTION

          WHEN TASKING_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("OTHER EXCEPTION RAISED");

     END;

     OBJ_TT1 (2).E1 (0,2);

     IF SPYNUMB /= 2 THEN

          FAILED ("WRONG TASK OBJECT REFERENCED");

          COMMENT ("ACTUAL ORDER WAS:" & INTEGER'IMAGE(SPYNUMB));

     END IF;

     RESULT;

END C91004B;