| -- C93005A.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. |
| |
| -- JEAN-PIERRE ROSEN 3/9/84 |
| -- JBG 06/01/84 |
| -- JBG 05/23/85 |
| -- EG 10/29/85 ELIMINATE THE USE OF NUMERIC_ERROR IN TEST. |
| -- PWN 01/31/95 REMOVED INCONSISTENCIES WITH ADA 9X. |
| |
| WITH REPORT; USE REPORT; |
| WITH SYSTEM; USE SYSTEM; |
| PROCEDURE C93005A IS |
| |
| BEGIN |
| TEST("C93005A", "EXCEPTIONS RAISED IN A DECLARATIVE PART " & |
| "CONTAINING TASKS"); |
| |
| BEGIN |
| |
| DECLARE |
| TASK TYPE T1 IS -- CHECKS THAT T2 TERMINATES. |
| END T1; |
| |
| TYPE AT1 IS ACCESS T1; |
| |
| TASK T2 IS -- WILL NEVER BE ACTIVATED. |
| ENTRY E; |
| END T2; |
| |
| PACKAGE RAISE_IT IS |
| END RAISE_IT; |
| |
| TASK BODY T2 IS |
| BEGIN |
| FAILED ("T2 ACTIVATED"); |
| -- IN CASE OF FAILURE |
| LOOP |
| SELECT |
| ACCEPT E; |
| OR |
| TERMINATE; |
| END SELECT; |
| END LOOP; |
| END T2; |
| |
| TASK BODY T1 IS |
| BEGIN |
| DECLARE -- THIS BLOCK TO CHECK THAT T3 TERMINATES. |
| TASK T3 IS |
| END T3; |
| |
| TASK BODY T3 IS |
| BEGIN |
| T2.E; |
| FAILED ("RENDEZVOUS COMPLETED WITHOUT " & |
| "ERROR - T3"); |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED("ABNORMAL EXCEPTION - T3"); |
| END T3; |
| BEGIN |
| NULL; |
| END; |
| |
| T2.E; --T2 IS NOW TERMINATED |
| |
| FAILED ("RENDEZVOUS COMPLETED WITHOUT ERROR - T1"); |
| |
| EXCEPTION |
| WHEN TASKING_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED("ABNORMAL EXCEPTION - T1"); |
| END; |
| |
| PACKAGE BODY RAISE_IT IS |
| PT1 : AT1 := NEW T1; |
| I : POSITIVE := IDENT_INT(0); -- RAISE |
| -- CONSTRAINT_ERROR. |
| BEGIN |
| IF I /= IDENT_INT(2) OR I = IDENT_INT(1) + 1 THEN |
| FAILED ("PACKAGE DIDN'T RAISE EXCEPTION"); |
| END IF; |
| END RAISE_IT; |
| |
| BEGIN -- CAN'T LEAVE BLOCK UNTIL T1, T2, AND T3 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-1"); |
| END; |
| |
| RESULT; |
| |
| END C93005A; |