WITH REPORT; USE REPORT;
PROCEDURE C34009L IS
PACKAGE PKG IS
MAX_LEN : CONSTANT := 10;
SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN;
TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 3) IS
LIMITED 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;
FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN;
PROCEDURE ASSIGN (X : OUT PARENT; Y : PARENT);
PRIVATE
TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 3) IS
RECORD
I : INTEGER := 2;
CASE B IS
WHEN TRUE =>
S : STRING (1 .. L) := (1 .. L => 'A');
J : INTEGER := 2;
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;
FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN IS
BEGIN
RETURN X = Y;
END EQUAL;
PROCEDURE ASSIGN (X : OUT PARENT; Y : PARENT) IS
BEGIN
X := Y;
END ASSIGN;
END PKG;
BEGIN
TEST ("C34009L", "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 " &
"LIMITED PRIVATE TYPES WITH DISCRIMINANTS");
IF NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X),
CON (FALSE, 2, 3, 6.0)) OR
NOT EQUAL (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
ASSIGN (X, CON (TRUE, 3, 1, "ABC", 4));
ASSIGN (Y, CON (TRUE, 3, 1, "ABC", 4));
IF NOT EQUAL (PARENT (X), PARENT (Y)) THEN FAILED ("INCORRECT CONVERSION TO PARENT");
END IF;
EXCEPTION
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED BY OK ASSIGN CALL");
END;
BEGIN
ASSIGN (X, CON (FALSE, 3, 2, 6.0));
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"ASSIGN (X, CON (FALSE, 3, 2, 6.0))");
IF EQUAL (X, CON (FALSE, 3, 2, 6.0)) THEN COMMENT ("X ALTERED -- " &
"ASSIGN (X, CON (FALSE, 3, 2, 6.0))");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"ASSIGN (X, CON (FALSE, 3, 2, 6.0))");
END;
BEGIN
ASSIGN (X, CON (TRUE, 4, 2, "ZZZZ", 6));
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"ASSIGN (X, CON (TRUE, 4, 2, ""ZZZZ"", 6))");
IF EQUAL (X, CON (TRUE, 4, 2, "ZZZZ", 6)) THEN COMMENT ("X ALTERED -- " &
"ASSIGN (X, CON (TRUE, 4, 2, ""ZZZZ"", 6))");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"ASSIGN (X, CON (TRUE, 4, 2, ""ZZZZ"", 6))");
END;
BEGIN
ASSIGN (Y, CON (FALSE, 3, 2, 6.0));
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"ASSIGN (Y, CON (FALSE, 3, 2, 6.0))");
IF EQUAL (Y, CON (FALSE, 3, 2, 6.0)) THEN COMMENT ("Y ALTERED -- " &
"ASSIGN (Y, CON (FALSE, 3, 2, 6.0))");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"ASSIGN (Y, CON (FALSE, 3, 2, 6.0))");
END;
BEGIN
ASSIGN (Y, CON (TRUE, 4, 2, "ZZZZ", 6));
FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
"ASSIGN (Y, CON (TRUE, 4, 2, ""ZZZZ"", 6))");
IF EQUAL (Y, CON (TRUE, 4, 2, "ZZZZ", 6)) THEN COMMENT ("Y ALTERED -- " &
"ASSIGN (Y, CON (TRUE, 4, 2, ""ZZZZ"", 6))");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED -- " &
"ASSIGN (Y, CON (TRUE, 4, 2, ""ZZZZ"", 6))");
END;
RESULT;
END C34009L;