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-- C67005B.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 IF EQUALITY IS REDEFINED FOR A SCALAR TYPE, CASE
-- STATEMENTS STILL USE THE PREDEFINED EQUALITY OPERATION.
-- JBG 9/28/83
WITH REPORT; USE REPORT;
PROCEDURE C67005B IS
GENERIC
TYPE LP IS LIMITED PRIVATE;
WITH FUNCTION EQUAL (L, R : LP) RETURN BOOLEAN;
PACKAGE EQUALITY_OPERATOR IS
FUNCTION "=" (L, R : LP) RETURN BOOLEAN;
END EQUALITY_OPERATOR;
PACKAGE BODY EQUALITY_OPERATOR IS
FUNCTION "=" (L, R : LP) RETURN BOOLEAN IS
BEGIN
RETURN EQUAL(L, R);
END "=";
END EQUALITY_OPERATOR;
BEGIN
TEST ("C67005B", "CHECK THAT REDEFINING EQUALITY FOR A " &
"SCALAR TYPE DOES NOT AFFECT CASE STATEMENTS");
DECLARE
TYPE MY IS NEW INTEGER;
CHECK : MY;
VAR : INTEGER RANGE 1..3 := 3;
PACKAGE INTEGER_EQUALS IS
FUNCTION EQUAL (L, R : INTEGER) RETURN BOOLEAN;
PACKAGE INTEGER_EQUAL IS NEW EQUALITY_OPERATOR
(INTEGER, EQUAL);
END INTEGER_EQUALS;
FUNCTION "=" (L, R : INTEGER) RETURN BOOLEAN RENAMES
INTEGER_EQUALS.INTEGER_EQUAL."=";
PACKAGE BODY INTEGER_EQUALS IS
FUNCTION EQUAL (L, R : INTEGER) RETURN BOOLEAN IS
BEGIN
RETURN FALSE;
END EQUAL;
END INTEGER_EQUALS;
BEGIN
IF VAR = 3 THEN
FAILED ("DID NOT USE REDEFINED '=' - 1");
END IF;
IF VAR /= 3 THEN
NULL;
ELSE
FAILED ("DID NOT USE REDEFINED '/=' - 1");
END IF;
IF VAR = IDENT_INT(3) THEN
FAILED ("DID NOT USE REDEFINED '=' - 2");
END IF;
IF VAR /= IDENT_INT(3) THEN
NULL;
ELSE
FAILED ("DID NOT USE REDEFINED '/=' - 2");
END IF;
CHECK := MY(IDENT_INT(0));
IF CHECK /= 0 THEN
FAILED ("USING WRONG EQUALITY FOR DERIVED TYPE");
END IF;
CASE VAR IS
WHEN 1..3 => CHECK := MY(IDENT_INT(1));
WHEN OTHERS => NULL;
END CASE;
IF CHECK /= 1 THEN
FAILED ("DID NOT USE PREDEFINED EQUALS IN CASE - 1");
END IF;
CASE IDENT_INT(VAR) IS
WHEN 1 => CHECK := 4;
WHEN 2 => CHECK := 5;
WHEN 3 => CHECK := 6;
WHEN OTHERS => CHECK := 7;
END CASE;
IF CHECK /= 6 THEN
FAILED ("DID NOT USE PREDEFINED EQUALS IN CASE - 2");
END IF;
END;
RESULT;
END C67005B;
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