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-- C94001B.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 UNIT WITH DEPENDENT TASKS CREATED BY AN OBJECT

-- DECLARATION OF LIMITED PRIVATE TYPE IS NOT TERMINATED UNTIL ALL

-- DEPENDENT TASKS BECOME TERMINATED.

-- SUBTESTS ARE:

--   (A, B)  A SIMPLE TASK OBJECT, IN A BLOCK.

--   (C, D)  AN ARRAY OF TASK OBJECT, IN A FUNCTION.

--   (E, F)  AN ARRAY OF RECORD OF TASK OBJECT, IN A TASK BODY.

-- THIS TEST CONTAINS SHARED VARIABLES AND RACE CONDITIONS.

-- TBN  8/22/86

-- PWN 01/31/95  REMOVED PRAGMA PRIORITY FOR ADA 9X.

with Impdef;

WITH REPORT; USE REPORT;

WITH SYSTEM; USE SYSTEM;

PROCEDURE C94001B IS

     PACKAGE P IS

          MY_EXCEPTION : EXCEPTION;

          GLOBAL : INTEGER;

          TYPE TT IS LIMITED PRIVATE;

          PROCEDURE CALL_ENTRY (A : TT; B : INTEGER);

     PRIVATE

          TASK TYPE TT IS

               ENTRY E (I : INTEGER);

          END TT;

     END P;

     PACKAGE BODY P IS

          PROCEDURE CALL_ENTRY (A : TT; B : INTEGER) IS

          BEGIN

               A.E (B);

          END CALL_ENTRY;

          TASK BODY TT IS

               LOCAL : INTEGER;

          BEGIN

               ACCEPT E (I : INTEGER) DO

                    LOCAL := I;

               END E;

               DELAY 30.0 * Impdef.One_Second;    -- SINCE THE PARENT UNIT HAS HIGHER

                              -- PRIORITY AT THIS POINT, IT WILL

                              -- RECEIVE CONTROL AND TERMINATE IF

                              -- THE ERROR IS PRESENT.

               GLOBAL := LOCAL;

          END TT;

     END P;

     USE P;

BEGIN

     TEST ("C94001B", "CHECK THAT A UNIT WITH DEPENDENT TASKS " &

                      "CREATED BY AN OBJECT DECLARATION OF LIMITED " &

                      "PRIVATE TYPE IS NOT TERMINATED UNTIL ALL " &

                      "DEPENDENT TASKS BECOME TERMINATED");

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (A)

          T : TT;

     BEGIN -- (A)

          CALL_ENTRY (T, IDENT_INT(1));

     END; -- (A)

     IF GLOBAL /= 1 THEN

          FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &

                  "BLOCK EXIT - 1");

     END IF;

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     BEGIN -- (B)

          DECLARE

               T : TT;

          BEGIN

               CALL_ENTRY (T, IDENT_INT(2));

               RAISE MY_EXCEPTION;

          END;

          FAILED ("MY_EXCEPTION WAS NOT RAISED - 2");

     EXCEPTION

          WHEN MY_EXCEPTION =>

               IF GLOBAL /= 2 THEN

                    FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &

                            "BLOCK EXIT - 2");

               END IF;

          WHEN OTHERS =>

               FAILED ("UNEXPECTED EXCEPTION - 2");

     END; -- (B)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (C)

          I : INTEGER;

          FUNCTION F RETURN INTEGER IS

               A : ARRAY (1..1) OF TT;

          BEGIN

               CALL_ENTRY (A(1), IDENT_INT(3));

               RETURN 0;

          END F;

     BEGIN -- (C)

          I := F;

          IF GLOBAL /= 3 THEN

               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &

                       "FUNCTION EXIT - 3");

          END IF;

     END; -- (C)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (D)

          I : INTEGER;

          FUNCTION F RETURN INTEGER IS

               A : ARRAY (1..1) OF TT;

          BEGIN

               CALL_ENTRY (A(1), IDENT_INT(4));

               IF EQUAL (3, 3) THEN

                    RAISE MY_EXCEPTION;

               END IF;

               RETURN 0;

          END F;

     BEGIN -- (D)

          I := F;

          FAILED ("MY_EXCEPTION WAS NOT RAISED - 4");

     EXCEPTION

          WHEN MY_EXCEPTION =>

               IF GLOBAL /= 4 THEN

                    FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &

                            "FUNCTION EXIT - 4");

               END IF;

          WHEN OTHERS =>

               FAILED ("UNEXPECTED EXCEPTION - 4");

     END; -- (D)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (E)

          LOOP_COUNT : INTEGER := 0;

          CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.

          TASK TSK IS

               ENTRY ENT;

          END TSK;

          TASK BODY TSK IS

               TYPE RT IS

                    RECORD

                         T : TT;

                    END RECORD;

               AR : ARRAY (1..1) OF RT;

          BEGIN

               CALL_ENTRY (AR(1).T, IDENT_INT(5));

          END TSK;

     BEGIN -- (E)

          WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP

               DELAY 1.0 * Impdef.One_Second;

               LOOP_COUNT := LOOP_COUNT + 1;

          END LOOP;

          IF LOOP_COUNT >= CUT_OFF THEN

               FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &

                       "HOUR - 5");

          ELSIF GLOBAL /= 5 THEN

               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &

                       "TASK EXIT - 5");

          END IF;

     END; -- (E)

     --------------------------------------------------

     GLOBAL := IDENT_INT (0);

     DECLARE -- (F)

          LOOP_COUNT : INTEGER := 0;

          CUT_OFF : CONSTANT := 60 * 60;     -- ONE HOUR DELAY.

          TASK TSK IS

               ENTRY ENT;

          END TSK;

          TASK BODY TSK IS

               TYPE RT IS

                    RECORD

                         T : TT;

                    END RECORD;

               AR : ARRAY (1..1) OF RT;

          BEGIN

               CALL_ENTRY (AR(1).T, IDENT_INT(6));

               IF EQUAL (3, 3) THEN

                    RAISE MY_EXCEPTION;

               END IF;

               FAILED ("EXCEPTION WAS NOT RAISED - 6");

          END TSK;

     BEGIN -- (F)

          WHILE NOT TSK'TERMINATED AND LOOP_COUNT < CUT_OFF LOOP

               DELAY 1.0 * Impdef.One_Second;

               LOOP_COUNT := LOOP_COUNT + 1;

          END LOOP;

          IF LOOP_COUNT >= CUT_OFF THEN

               FAILED ("DEPENDENT TASK NOT TERMINATED WITHIN ONE " &

                       "HOUR - 6");

          ELSIF GLOBAL /= 6 THEN

               FAILED ("DEPENDENT TASK NOT TERMINATED BEFORE " &

                       "TASK EXIT - 6");

          END IF;

     END; -- (F)

     RESULT;

END C94001B;