| -- C35904A.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 INCOMPATIBLE FIXED POINT CONSTRAINTS RAISE |
| -- APPROPRIATE EXCEPTIONS. |
| |
| |
| -- HISTORY: |
| -- RJK 05/17/83 CREATED ORIGINAL TEST. |
| -- PWB 02/03/86 CORRECTED TEST ERROR: |
| -- ADDED POSSIBLITY OF NUMERIC_ERROR |
| -- IN DECLARATIONS OF SFX3 AND SFX4. |
| -- BCB 10/21/87 CHANGED HEADER TO STANDARD FORMAT. CHANGED RANGE |
| -- CONSTRAINTS OF SUBTYPE SFX1. CHANGED UPPER BOUND |
| -- OF THE CONSTRAINT OF SFX4. CHANGED RANGE |
| -- CONSTRAINTS OF FIX. |
| -- JRL 03/30/93 REMOVED NUMERIC_ERROR FROM TEST. |
| -- PWN 10/27/95 REMOVED OUT OF RANGE STATIC VALUE CHECKS. |
| -- EDS 07/16/98 AVOID OPTIMIZATION |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C35904A IS |
| |
| TYPE FIX IS DELTA 0.5 RANGE -3.0 .. 3.0; |
| |
| BEGIN |
| |
| TEST ("C35904A", "CHECK THAT INCOMPATIBLE FIXED POINT " & |
| "CONSTRAINTS RAISE APPROPRIATE EXCEPTION"); |
| |
| -- TEST FOR CORRECT SUBTYPE DEFINITION FOR COMPATIBILITY BETWEEN TYPE |
| -- AND SUBTYPE CONSTRAINTS. |
| |
| BEGIN |
| |
| DECLARE |
| |
| SUBTYPE SFX1 IS FIX DELTA 1.0 RANGE 0.0 .. 2.0; -- OK. |
| SFX1_VAR : SFX1; |
| |
| BEGIN |
| SFX1_VAR := 1.0; |
| END; |
| |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| FAILED ("FIXED POINT CONSTRAINTS ARE NOT IN ERROR"); |
| WHEN OTHERS => |
| FAILED ("EXCEPTION SHOULD NOT BE RAISED WHILE " & |
| "CHECKING DELTA CONSTRAINT"); |
| END; |
| |
| -- TEST FOR INCORRECT SUBTYPE DEFINITION ON ACCURACY BETWEEN TYPE AND |
| -- SUBTYPE DEFINITIONS. |
| |
| BEGIN |
| |
| DECLARE |
| |
| SUBTYPE SFX IS FIX DELTA 0.1; -- DELTA IS SMALLER FOR |
| -- SUBTYPE THAN FOR TYPE. |
| -- DEFINE AN OBJECT OF SUBTYPE SFX AND USE IT TO AVOID |
| -- OPTIMIZATION OF SUBTYPE |
| SFX_VAR : SFX := FIX(IDENT_INT(1)); |
| |
| BEGIN |
| FAILED ("NO EXCEPTION RAISED FOR INCOMPATABLE DELTA " & |
| FIX'IMAGE(SFX_VAR) ); --USE SFX_VAR |
| END; |
| |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ("INCORRECT EXCEPTION RAISED WHILE CHECKING " & |
| "DELTA CONSTRAINT"); |
| END; |
| |
| RESULT; |
| |
| END C35904A; |