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-- CDA201E.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 UNCHECKED_CONVERSION CAN BE INSTANTIATED FOR THE
-- CONVERSION OF AN ENUMERATION TYPE WITH A REPRESENTATION CLAUSE TO
-- INTEGER.
-- HISTORY:
-- JET 09/23/88 CREATED ORIGINAL TEST.
-- DHH 05/17/89 CHANGED FROM '.DEP' TEST TO '.ADA' TEST.
-- RJW 02/28/90 ADDED SIZE CLAUSE FOR TYPE STOOGE.
-- LDC 09/20/90 ADDED CHECK FOR CONVERSION FROM INT TO STOOGE,
-- ADDED COMMENT WHEN SIZES AREN'T EQUAL.
WITH REPORT; USE REPORT;
WITH UNCHECKED_CONVERSION;
PROCEDURE CDA201E IS
TYPE STOOGE IS (CURLY, MOE, LARRY);
FOR STOOGE USE (CURLY => -5, MOE => 13, LARRY => 127);
FOR STOOGE'SIZE USE 8;
TYPE INT IS RANGE -128 .. 127;
FOR INT'SIZE USE 8;
I : INT := 0;
NAME : STOOGE := CURLY;
FUNCTION E_TO_I IS NEW UNCHECKED_CONVERSION(STOOGE, INT);
FUNCTION I_TO_E IS NEW UNCHECKED_CONVERSION(INT, STOOGE);
FUNCTION ID(E : STOOGE) RETURN STOOGE IS
BEGIN
RETURN STOOGE'VAL(STOOGE'POS(E) + IDENT_INT(0));
END ID;
FUNCTION ID_INT (X : INT) RETURN INT IS
A : INTEGER := IDENT_INT(3);
BEGIN
IF EQUAL (A, IDENT_INT(3)) THEN -- ALWAYS EQUAL.
RETURN X; -- ALWAYS EXECUTED.
END IF;
RETURN 0; -- NEVER EXECUTED.
END ID_INT;
BEGIN
TEST ("CDA201E", "CHECK THAT UNCHECKED_CONVERSION CAN BE " &
"INSTANTIATED FOR THE CONVERSION OF AN " &
"ENUMERATION TYPE WITH A REPRESENTATION " &
"CLAUSE TO INTEGER");
IF I'SIZE /= NAME'SIZE THEN
COMMENT( "UNCHECKED_CONVERSION MIGHT BE INSTANTIATED WITH " &
"DIFFERNT SIZES");
END IF;
BEGIN
I := E_TO_I(ID(CURLY));
IF I /= -5 THEN
FAILED ("INCORRECT VALUE OF CURLY: " & INT'IMAGE(I));
END IF;
I := E_TO_I(ID(MOE));
IF I /= 13 THEN
FAILED ("INCORRECT VALUE OF MOE: " & INT'IMAGE(I));
END IF;
I := E_TO_I(ID(LARRY));
IF I /= 127 THEN
FAILED ("INCORRECT VALUE OF LARRY: " & INT'IMAGE(I));
END IF;
EXCEPTION
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED BY CONVERSION");
END;
BEGIN -- 2
NAME := I_TO_E(ID_INT(-5));
IF NAME /= CURLY THEN
FAILED ("INCORRECT VALUE OF -5 : " & STOOGE'IMAGE(NAME));
END IF;
NAME := I_TO_E(ID_INT(13));
IF NAME /= MOE THEN
FAILED ("INCORRECT VALUE OF 13: " & STOOGE'IMAGE(NAME));
END IF;
NAME := I_TO_E(ID_INT(127));
IF NAME /= LARRY THEN
FAILED ("INCORRECT VALUE OF 127: " & STOOGE'IMAGE(NAME));
END IF;
EXCEPTION
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED BY CONVERSION - 2");
END;
RESULT;
END CDA201E;
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