| -- C41304B.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 L.R RAISES CONSTRAINT_ERROR WHEN: |
| -- L DENOTES A RECORD OBJECT SUCH THAT, FOR THE EXISTING |
| -- DISCRIMINANT VALUES, THE COMPONENT DENOTED BY R DOES |
| -- NOT EXIST. |
| -- L IS A FUNCTION CALL DELIVERING A RECORD VALUE SUCH THAT, |
| -- FOR THE EXISTING DISCRIMINANT VALUES, THE COMPONENT |
| -- DENOTED BY R DOES NOT EXIST. |
| -- L IS AN ACCESS OBJECT AND THE OBJECT DESIGNATED BY THE ACCESS |
| -- VALUE IS SUCH THAT COMPONENT R DOES NOT EXIST FOR THE |
| -- OBJECT'S CURRENT DISCRIMINANT VALUES. |
| -- L IS A FUNCTION CALL RETURNING AN ACCESS VALUE AND THE OBJECT |
| -- DESIGNATED BY THE ACCESS VALUE IS SUCH THAT COMPONENT R |
| -- DOES NOT EXIST FOR THE OBJECT'S CURRENT DISCRIMINANT |
| -- VALUES. |
| |
| -- HISTORY: |
| -- TBN 05/23/86 CREATED ORIGINAL TEST. |
| -- JET 01/08/88 MODIFIED HEADER FORMAT AND ADDED CODE TO |
| -- PREVENT OPTIMIZATION. |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C41304B IS |
| |
| TYPE V (DISC : INTEGER := 0) IS |
| RECORD |
| CASE DISC IS |
| WHEN 1 => |
| X : INTEGER; |
| WHEN OTHERS => |
| Y : INTEGER; |
| END CASE; |
| END RECORD; |
| |
| TYPE T IS ACCESS V; |
| |
| BEGIN |
| TEST ("C41304B", "CHECK THAT L.R RAISES CONSTRAINT_ERROR WHEN " & |
| "THE COMPONENT DENOTED BY R DOES NOT EXIST"); |
| |
| DECLARE |
| |
| VR : V := (DISC => 0, Y => 4); |
| J : INTEGER; |
| |
| BEGIN |
| |
| IF EQUAL (4, 4) THEN |
| VR := (DISC => 1, X => 3); |
| END IF; |
| |
| J := VR.Y; |
| FAILED ("CONSTRAINT_ERROR NOT RAISED FOR A RECORD OBJECT"); |
| |
| -- IF STATEMENT PREVENTS OPTIMIZING OF VARIABLE J. |
| |
| IF EQUAL (J,3) THEN |
| FAILED ("CONSTRAINT_ERROR NOT RAISED - 1"); |
| END IF; |
| |
| EXCEPTION |
| |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED FOR A RECORD OBJECT"); |
| |
| END; |
| |
| -------------------------------------------------- |
| |
| DECLARE |
| |
| J : INTEGER; |
| |
| FUNCTION F RETURN V IS |
| BEGIN |
| IF EQUAL (4, 4) THEN |
| RETURN (DISC => 2, Y => 3); |
| END IF; |
| RETURN (DISC => 1, X => 4); |
| END F; |
| |
| BEGIN |
| |
| J := F.X; |
| FAILED ("CONSTRAINT_ERROR NOT RAISED FOR A FUNCTION CALL " & |
| "DELIVERING A RECORD VALUE"); |
| |
| -- IF STATEMENT PREVENTS OPTIMIZING OF VARIABLE J. |
| |
| IF EQUAL (J,3) THEN |
| FAILED ("CONSTRAINT_ERROR NOT RAISED - 2"); |
| END IF; |
| |
| EXCEPTION |
| |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED FOR A FUNCTION CALL " & |
| "DELIVERING A RECORD VALUE"); |
| |
| END; |
| |
| -------------------------------------------------- |
| |
| DECLARE |
| |
| A : T := NEW V' (DISC => 0, Y => 4); |
| J : INTEGER; |
| |
| BEGIN |
| |
| IF EQUAL (4, 4) THEN |
| A := NEW V' (DISC => 1, X => 3); |
| END IF; |
| |
| J := A.Y; |
| FAILED ("CONSTRAINT_ERROR NOT RAISED FOR AN ACCESS OBJECT"); |
| |
| -- IF STATEMENT PREVENTS OPTIMIZING OF VARIABLE J. |
| |
| IF EQUAL (J,3) THEN |
| FAILED ("CONSTRAINT_ERROR NOT RAISED - 3"); |
| END IF; |
| |
| EXCEPTION |
| |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED FOR AN ACCESS OBJECT"); |
| |
| END; |
| |
| -------------------------------------------------- |
| |
| DECLARE |
| |
| J : INTEGER; |
| |
| FUNCTION F RETURN T IS |
| BEGIN |
| IF EQUAL (4, 4) THEN |
| RETURN NEW V' (DISC => 2, Y => 3); |
| END IF; |
| RETURN NEW V' (DISC => 1, X => 4); |
| END F; |
| |
| BEGIN |
| |
| J := F.X; |
| FAILED ("CONSTRAINT_ERROR NOT RAISED FOR A FUNCTION CALL " & |
| "DELIVERING AN ACCESS VALUE"); |
| |
| -- IF STATEMENT PREVENTS OPTIMIZING OF VARIABLE J. |
| |
| IF EQUAL (J,3) THEN |
| FAILED ("CONSTRAINT_ERROR NOT RAISED - 4"); |
| END IF; |
| |
| EXCEPTION |
| |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED FOR A FUNCTION CALL " & |
| "DELIVERING AN ACCESS VALUE"); |
| |
| END; |
| |
| RESULT; |
| END C41304B; |