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-- C93005B.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 WHEN AN EXCEPTION IS RAISED IN A DECLARATIVE PART, A TASK

-- DECLARED IN THE SAME DECLARATIVE PART BECOMES TERMINATED.

-- CHECK THAT A TASK WAITING ON ENTRIES OF SUCH A

-- TERMINATED-BEFORE-ACTIVATION TASK RECEIVES TASKING_ERROR.

-- THIS TEST CHECKS THE CASE IN WHICH SEVERAL TASKS ARE WAITING FOR

-- ACTIVATION WHEN THE EXCEPTION OCCURS.

-- R. WILLIAMS 8/7/86

-- PWN 11/30/94 REMOVED PRAGMA PRIORITY INSTANCES FOR ADA 9X.

WITH SYSTEM; USE SYSTEM;

WITH REPORT; USE REPORT;

PROCEDURE C93005B IS

BEGIN

     TEST ( "C93005B", "CHECK THAT WHEN AN EXCEPTION IS RAISED IN A " &

                       "DECLARATIVE PART, A TASK DECLARED IN THE " &

                       "SAME DECLARATIVE PART BECOMES TERMINATED. " &

                       "IN THIS CASE, SEVERAL TASKS ARE WAITING FOR " &

                       "ACTIVATION WHEN THE EXCEPTION OCCURS" );

     BEGIN

          DECLARE

               TASK TYPE TA IS      -- CHECKS THAT TX TERMINATES.

               END TA;

               TYPE ATA IS ACCESS TA;

               TASK TYPE TB IS      -- CHECKS THAT TY TERMINATES.

               END TB;

               TYPE TBREC IS

                    RECORD

                         TTB: TB;

                    END RECORD;

               TASK TX IS          -- WILL NEVER BE ACTIVATED.

                    ENTRY E;

               END TX;

               TASK BODY TA IS

               BEGIN

                    DECLARE  -- THIS BLOCK TO CHECK THAT TAB 

                             -- TERMINATES.

                         TASK TAB IS

                         END TAB;

                         TASK BODY TAB IS

                         BEGIN

                              TX.E;

                              FAILED ( "RENDEZVOUS COMPLETED " &

                                       "WITHOUT ERROR - TAB" );

                         EXCEPTION

                              WHEN TASKING_ERROR =>

                                   NULL;

                              WHEN OTHERS =>

                                   FAILED ( "ABNORMAL EXCEPTION " &

                                            "- TAB" );

                         END TAB;

                    BEGIN

                         NULL;

                    END;

                    TX.E;    --TX IS NOW TERMINATED.

                    FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " &

                             "- TA" );

               EXCEPTION

                    WHEN TASKING_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED ( "ABNORMAL EXCEPTION - TA" );

               END TA;

               PACKAGE RAISE_IT IS

                    TASK TY IS             -- WILL NEVER BE ACTIVATED.

                         ENTRY E;

                    END TY;

               END RAISE_IT;

               TASK BODY TB IS

               BEGIN

                    DECLARE  -- THIS BLOCK TO CHECK THAT TBB 

                             -- TERMINATES.

                         TASK TBB IS

                         END TBB;

                         TASK BODY TBB IS

                         BEGIN

                              RAISE_IT.TY.E;

                              FAILED ( "RENDEZVOUS COMPLETED " &

                                       "WITHOUT ERROR - TBB" );

                         EXCEPTION

                              WHEN TASKING_ERROR =>

                                   NULL;

                              WHEN OTHERS =>

                                   FAILED ( "ABNORMAL EXCEPTION " &

                                            "- TBB" );

                         END TBB;

                    BEGIN

                         NULL;

                    END;

                    RAISE_IT.TY.E;    -- TY IS NOW TERMINATED.

                    FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " &

                             "- TB" );

               EXCEPTION

                    WHEN TASKING_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED ( "ABNORMAL EXCEPTION - TB" );

               END TB;

               PACKAGE START_TC IS END START_TC;

               TASK BODY TX IS

               BEGIN

                    FAILED ( "TX ACTIVATED" );

                    -- IN CASE OF FAILURE.

                    LOOP

                         SELECT

                              ACCEPT E;

                         OR

                              TERMINATE;

                         END SELECT;

                    END LOOP;

               END TX;

               PACKAGE START_TZ IS

                    TASK TZ IS             -- WILL NEVER BE ACTIVATED.

                         ENTRY E;

                    END TZ;

               END START_TZ;

               PACKAGE BODY START_TC IS

                    TBREC1 : TBREC;     -- CHECKS THAT TY TERMINATES.

                    TASK TC IS -- CHECKS THAT TZ TERMINATES.

                    END TC;

                    TASK BODY TC IS

                    BEGIN

                         DECLARE  -- THIS BLOCK TO CHECK THAT TCB 

                                  -- TERMINATES.

                              TASK TCB IS

                              END TCB;

                              TASK BODY TCB IS

                              BEGIN

                                   START_TZ.TZ.E;

                                   FAILED ( "RENDEZVOUS COMPLETED " &

                                            "WITHOUT " &

                                            "ERROR - TCB" );

                              EXCEPTION

                                   WHEN TASKING_ERROR =>

                                        NULL;

                                   WHEN OTHERS =>

                                        FAILED ( "ABNORMAL " &

                                                 "EXCEPTION - TCB" );

                              END TCB;

                         BEGIN

                              NULL;

                         END;

                         START_TZ.TZ.E;    -- TZ IS NOW TERMINATED.

                         FAILED ( "RENDEZVOUS COMPLETED WITHOUT " &

                                  "ERROR - TC" );

                    EXCEPTION

                         WHEN TASKING_ERROR =>

                              NULL;

                         WHEN OTHERS =>

                              FAILED ( "ABNORMAL EXCEPTION - TC" );

                    END TC;

               END START_TC;     -- TBREC1 AND TC ACTIVATED HERE.

               PACKAGE BODY RAISE_IT IS

                    NTA : ATA := NEW TA;  -- NTA.ALL ACTIVATED HERE.

                    TASK BODY TY IS

                    BEGIN

                         FAILED ( "TY ACTIVATED" );

                         -- IN CASE OF FAILURE.

                         LOOP

                              SELECT

                                   ACCEPT E;

                              OR

                                   TERMINATE;

                              END SELECT;

                         END LOOP;

                    END TY;

                    PACKAGE XCEPTION IS

                         I : POSITIVE := IDENT_INT (0); -- RAISE

                                                   -- CONSTRAINT_ERROR.

                    END XCEPTION;

                    USE XCEPTION;

               BEGIN   -- TY WOULD BE ACTIVATED HERE.

                    IF I /= IDENT_INT (2) OR I = IDENT_INT (1) + 1 THEN

                         FAILED ( "PACKAGE DIDN'T RAISE EXCEPTION" );

                    END IF;

               END RAISE_IT;

               PACKAGE BODY START_TZ IS

                    TASK BODY TZ IS

                    BEGIN

                         FAILED ( "TZ ACTIVATED" );

                         -- IN CASE OF FAILURE.

                         LOOP

                              SELECT

                                   ACCEPT E;

                              OR

                                   TERMINATE;

                              END SELECT;

                         END LOOP;

                    END TZ;

               END START_TZ;    -- TZ WOULD BE ACTIVATED HERE.

          BEGIN     -- TX WOULD BE ACTIVATED HERE.

                    -- CAN'T LEAVE BLOCK UNTIL TA, TB, AND TC ARE TERM.

               FAILED ( "EXCEPTION NOT RAISED" );

          END;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN TASKING_ERROR =>

               FAILED ( "TASKING_ERROR IN MAIN PROGRAM" );

          WHEN OTHERS =>

               FAILED ( "ABNORMAL EXCEPTION IN MAIN" );

     END;

     RESULT;

END C93005B;