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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;
 

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