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-- C45344A.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 THE CORRECT RESULT IS PRODUCED WHEN A FUNCTION RETURNS
-- THE RESULT OF A CATENATION WHOSE BOUNDS ARE NOT DEFINED STATICALLY.
-- R.WILLIAMS 9/1/86
WITH REPORT; USE REPORT;
PROCEDURE C45344A IS
BEGIN
TEST ( "C45344A", "CHECK THAT THE CORRECT RESULT IS PRODUCED " &
"WHEN A FUNCTION RETURNS THE RESULT OF A " &
"CATENATION WHOSE BOUNDS ARE NOT DEFINED " &
"STATICALLY" );
DECLARE
SUBTYPE INT IS INTEGER RANGE IDENT_INT (1) .. IDENT_INT (30);
TYPE ARR IS ARRAY (INT RANGE <>) OF INTEGER;
SUBTYPE CARR IS ARR (1 .. 9);
C : CARR;
AR1 : ARR (IDENT_INT (2) .. IDENT_INT (4)) :=
(IDENT_INT (2) .. IDENT_INT (4) => 1);
AR2 : ARR (IDENT_INT (6) .. IDENT_INT (6)) :=
(IDENT_INT (6) .. IDENT_INT (6) => 2);
AR3 : ARR (IDENT_INT (4) .. IDENT_INT (2));
FUNCTION F (A, B : ARR; N : NATURAL) RETURN ARR IS
BEGIN
IF N = 0 THEN
RETURN A & B;
ELSE
RETURN F (A & B, B, N - 1);
END IF;
END F;
FUNCTION G (A : INTEGER; B : ARR; N : NATURAL) RETURN ARR IS
BEGIN
IF N = 0 THEN
RETURN A & B;
ELSE
RETURN G (A, A & B, N - 1);
END IF;
END G;
FUNCTION H (A : ARR; B : INTEGER; N : NATURAL) RETURN ARR IS
BEGIN
IF N = 0 THEN
RETURN A & B;
ELSE
RETURN H (A & B, B, N - 1);
END IF;
END H;
PROCEDURE CHECK (X, Y : ARR; F, L : INTEGER; STR : STRING) IS
OK : BOOLEAN := TRUE;
BEGIN
IF X'FIRST /= F AND X'LAST /= L THEN
FAILED ( "INCORRECT RANGE FOR " & STR);
ELSE
FOR I IN F .. L LOOP
IF X (I) /= Y (I) THEN
OK := FALSE;
END IF;
END LOOP;
IF NOT OK THEN
FAILED ( "INCORRECT VALUE FOR " & STR);
END IF;
END IF;
END CHECK;
BEGIN
C := (1 .. 4 => 1, 5 .. 9 => 2);
CHECK (F (AR1, AR2, IDENT_INT (3)), C, 2, 8, "F - 1" );
CHECK (F (AR3, AR2, IDENT_INT (3)), C, 6, 9, "F - 2" );
CHECK (F (AR2, AR3, IDENT_INT (3)), C, 6, 6, "F - 3" );
C := (1 ..4 => 5, 5 .. 9 => 1);
CHECK (G (5, AR1, IDENT_INT (3)), C, 1, 7, "G - 1" );
CHECK (G (5, AR3, IDENT_INT (3)), C, 1, 4, "G - 2" );
CHECK (H (AR3, 5, IDENT_INT (3)), C, 1, 4, "H - 1" );
C := (1 ..4 => 1, 5 .. 9 => 5);
CHECK (H (AR1, 5, IDENT_INT (3)), C, 2, 8, "H - 2" );
END;
RESULT;
END C45344A;
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