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-- C34007R.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.
--*
-- FOR DERIVED ACCESS TYPES WHOSE DESIGNATED TYPE IS A RECORD TYPE
-- WITH DISCRIMINANTS:
-- CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT FOR THE
-- DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION IS
-- CONSTRAINED.
-- CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS ALSO
-- IMPOSED ON THE DERIVED SUBTYPE.
-- JRK 9/29/86
WITH REPORT; USE REPORT;
PROCEDURE C34007R IS
SUBTYPE COMPONENT IS INTEGER;
SUBTYPE LENGTH IS NATURAL RANGE 0 .. 10;
TYPE DESIGNATED (B : BOOLEAN := TRUE; L : LENGTH := 1) IS
RECORD
I : INTEGER;
CASE B IS
WHEN TRUE =>
S : STRING (1 .. L);
C : COMPONENT;
WHEN FALSE =>
F : FLOAT := 5.0;
END CASE;
END RECORD;
PACKAGE PKG IS
TYPE PARENT IS ACCESS DESIGNATED;
FUNCTION CREATE ( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
S : STRING;
C : COMPONENT;
F : FLOAT;
X : PARENT -- TO RESOLVE OVERLOADING.
) RETURN PARENT;
END PKG;
USE PKG;
TYPE T IS NEW PARENT (IDENT_BOOL (TRUE), IDENT_INT (3));
SUBTYPE SUBPARENT IS PARENT (TRUE, 3);
TYPE S IS NEW SUBPARENT;
X : T := NEW DESIGNATED'(TRUE, 3, 2, "AAA", 2);
Y : S := NEW DESIGNATED'(TRUE, 3, 2, "AAA", 2);
PACKAGE BODY PKG IS
FUNCTION CREATE
( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
S : STRING;
C : COMPONENT;
F : FLOAT;
X : PARENT
) RETURN PARENT
IS
BEGIN
CASE B IS
WHEN TRUE =>
RETURN NEW DESIGNATED'(TRUE, L, I, S, C);
WHEN FALSE =>
RETURN NEW DESIGNATED'(FALSE, L, I, F);
END CASE;
END CREATE;
END PKG;
BEGIN
TEST ("C34007R", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &
"TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &
"WHEN THE DERIVED TYPE DEFINITION IS " &
"CONSTRAINED. ALSO CHECK THAT ANY CONSTRAINT " &
"IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &
"ON THE DERIVED SUBTYPE. CHECK FOR DERIVED " &
"ACCESS TYPES WHOSE DESIGNATED TYPE IS A " &
"RECORD TYPE WITH DISCRIMINANTS");
-- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.
IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) . ALL /=
(FALSE, 2, 3, 6.0) OR
CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) . ALL /=
(FALSE, 2, 3, 6.0) THEN
FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE SUBTYPE");
END IF;
IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) IN T OR
CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) IN S THEN
FAILED ("INCORRECT ""IN""");
END IF;
-- CHECK THE DERIVED SUBTYPE CONSTRAINT.
IF X.B /= TRUE OR X.L /= 3 OR
Y.B /= TRUE OR Y.L /= 3 THEN
FAILED ("INCORRECT SELECTION OF DISCRIMINANT VALUES");
END IF;
BEGIN
X := NEW DESIGNATED'(TRUE, 3, 1, "ABC", 4);
Y := NEW DESIGNATED'(TRUE, 3, 1, "ABC", 4);
IF PARENT (X) = PARENT (Y) OR -- USE X AND Y.
X.ALL /= Y.ALL THEN
FAILED ("INCORRECT ALLOCATOR OR CONVERSION TO PARENT");
END IF;
EXCEPTION
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");
END;
BEGIN
X := NEW DESIGNATED'(FALSE, 3, 2, 6.0);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"X := NEW DESIGNATED'(FALSE, 3, 2, 6.0)");
IF X = NULL OR ELSE X.ALL = (FALSE, 3, 2, 6.0) THEN -- USE X.
COMMENT ("X ALTERED -- " &
"X := NEW DESIGNATED'(FALSE, 3, 2, 6.0)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"X := NEW DESIGNATED'(FALSE, 3, 2, 6.0)");
END;
BEGIN
X := NEW DESIGNATED'(TRUE, 4, 2, "ZZZZ", 6);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"X := NEW DESIGNATED'(TRUE, 4, 2, ""ZZZZ"", 6)");
IF X = NULL OR ELSE
X.ALL = (TRUE, 4, 2, "ZZZZ", 6) THEN -- USE X.
COMMENT ("X ALTERED -- " &
"X := NEW DESIGNATED'" &
"(TRUE, 4, 2, ""ZZZZ"", 6)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"X := NEW DESIGNATED'(TRUE, 4, 2, ""ZZZZ"", 6)");
END;
BEGIN
Y := NEW DESIGNATED'(FALSE, 3, 2, 6.0);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"Y := NEW DESIGNATED'(FALSE, 3, 2, 6.0)");
IF Y = NULL OR ELSE Y.ALL = (FALSE, 3, 2, 6.0) THEN -- USE Y.
COMMENT ("Y ALTERED -- " &
"Y := NEW DESIGNATED'(FALSE, 3, 2, 6.0)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"Y := NEW DESIGNATED'(FALSE, 3, 2, 6.0)");
END;
BEGIN
Y := NEW DESIGNATED'(TRUE, 4, 2, "ZZZZ", 6);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"Y := NEW DESIGNATED'(TRUE, 4, 2, ""ZZZZ"", 6)");
IF Y = NULL OR ELSE
Y.ALL = (TRUE, 4, 2, "ZZZZ", 6) THEN -- USE Y.
COMMENT ("Y ALTERED -- " &
"Y := NEW DESIGNATED'" &
"(TRUE, 4, 2, ""ZZZZ"", 6)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"Y := NEW DESIGNATED'(TRUE, 4, 2, ""ZZZZ"", 6)");
END;
RESULT;
END C34007R;
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