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-- 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;
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