WITH REPORT; USE REPORT;
PROCEDURE C34009F IS
PACKAGE PKG IS
MAX_LEN : CONSTANT := 10;
SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN;
TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 1) IS PRIVATE;
FUNCTION CREATE ( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
S : STRING;
J : INTEGER;
F : FLOAT;
X : PARENT ) RETURN PARENT;
FUNCTION CON ( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
S : STRING;
J : INTEGER
) RETURN PARENT;
FUNCTION CON ( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
F : FLOAT
) RETURN PARENT;
PRIVATE
TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 1) IS
RECORD
I : INTEGER;
CASE B IS
WHEN TRUE =>
S : STRING (1 .. L);
J : INTEGER;
WHEN FALSE =>
F : FLOAT := 5.0;
END CASE;
END RECORD;
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;
Y : S;
PACKAGE BODY PKG IS
FUNCTION CREATE
( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
S : STRING;
J : INTEGER;
F : FLOAT;
X : PARENT
) RETURN PARENT
IS
BEGIN
CASE B IS
WHEN TRUE =>
RETURN (TRUE, L, I, S, J);
WHEN FALSE =>
RETURN (FALSE, L, I, F);
END CASE;
END CREATE;
FUNCTION CON
( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
S : STRING;
J : INTEGER
) RETURN PARENT
IS
BEGIN
RETURN (TRUE, L, I, S, J);
END CON;
FUNCTION CON
( B : BOOLEAN;
L : LENGTH;
I : INTEGER;
F : FLOAT
) RETURN PARENT
IS
BEGIN
RETURN (FALSE, L, I, F);
END CON;
END PKG;
BEGIN
TEST ("C34009F", "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 " &
"NON-LIMITED PRIVATE TYPES WITH DISCRIMINANTS");
X := CON (TRUE, 3, 2, "AAA", 2);
Y := CON (TRUE, 3, 2, "AAA", 2);
IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) /=
CON (FALSE, 2, 3, 6.0) OR
CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) /=
CON (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;
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;
IF NOT X'CONSTRAINED OR NOT Y'CONSTRAINED THEN
FAILED ("INCORRECT 'CONSTRAINED");
END IF;
BEGIN
X := CON (TRUE, 3, 1, "ABC", 4);
Y := CON (TRUE, 3, 1, "ABC", 4);
IF PARENT (X) /= PARENT (Y) THEN FAILED ("INCORRECT CONVERSION TO PARENT");
END IF;
EXCEPTION
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");
END;
BEGIN
X := CON (FALSE, 3, 2, 6.0);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"X := CON (FALSE, 3, 2, 6.0)");
IF X = CON (FALSE, 3, 2, 6.0) THEN COMMENT ("X ALTERED -- X := CON (FALSE, 3, 2, 6.0)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"X := CON (FALSE, 3, 2, 6.0)");
END;
BEGIN
X := CON (TRUE, 4, 2, "ZZZZ", 6);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"X := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
IF X = CON (TRUE, 4, 2, "ZZZZ", 6) THEN COMMENT ("X ALTERED -- " &
"X := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"X := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
END;
BEGIN
Y := CON (FALSE, 3, 2, 6.0);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"Y := CON (FALSE, 3, 2, 6.0)");
IF Y = CON (FALSE, 3, 2, 6.0) THEN COMMENT ("Y ALTERED -- Y := CON (FALSE, 3, 2, 6.0)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"Y := CON (FALSE, 3, 2, 6.0)");
END;
BEGIN
Y := CON (TRUE, 4, 2, "ZZZZ", 6);
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"Y := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
IF Y = CON (TRUE, 4, 2, "ZZZZ", 6) THEN COMMENT ("Y ALTERED -- " &
"Y := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"Y := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
END;
RESULT;
END C34009F;