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+-- C45342A.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 CATENATION OF TWO OR MORE NON-NULL OPERANDS YIELDS THE
+-- CORRECT RESULT, WITH THE CORRECT BOUNDS, WHETHER BOUNDS ARE STATIC OR
+-- DYNAMIC.
+
+-- BHS 6/27/84
+
+WITH REPORT;
+PROCEDURE C45342A IS
+
+ USE REPORT;
+
+ SUBTYPE S IS INTEGER RANGE 1..100;
+ TYPE ARR IS ARRAY (S RANGE <>) OF INTEGER;
+
+ A,B : ARR (2..9);
+
+ FUNCTION F (AR_VAR1, AR_VAR2, AR_VAR3 : ARR) RETURN ARR IS
+ BEGIN
+ RETURN AR_VAR1 & AR_VAR2 & AR_VAR3;
+ END F;
+
+ PROCEDURE CAT (A : ARR; I1,I2 : INTEGER; NUM : CHARACTER) IS
+ BEGIN
+ IF A'FIRST /= I1 OR A'LAST /= I2 THEN
+ FAILED ("INCORRECT CATENATION BOUNDS - " & NUM);
+ END IF;
+ END CAT;
+
+
+BEGIN
+
+ TEST ("C45342A", "CHECK THAT CATENATION OF NON-NULL OPERANDS " &
+ "YIELDS CORRECT RESULT WITH CORRECT BOUNDS");
+
+ BEGIN
+ A := (1,2,3,4,5,6,7,8);
+ B := A(2..4) & A(2..5) & A(2..2);
+ IF B /= (1,2,3,1,2,3,4,1) THEN
+ FAILED ("INCORRECT CATENATION RESULT - 1");
+ END IF;
+
+ A := (8,7,6,5,4,3,2,1);
+ IF F(A(2..3), A(2..4), A(2..4)) /= (8,7,8,7,6,8,7,6) THEN
+ FAILED ("INCORRECT CATENATION RESULT - 2");
+ END IF;
+
+ CAT ( A(3..5) & A(2..3), 3, 7, '3' );
+ END;
+
+
+ DECLARE
+ DYN2 : INTEGER := IDENT_INT(2);
+ DYN3 : INTEGER := IDENT_INT(3);
+ DYN4 : INTEGER := IDENT_INT(4);
+ DYN6 : INTEGER := IDENT_INT(6);
+
+ BEGIN
+ A := (1,2,3,4,5,6,7,8);
+ B := A(DYN2..DYN3) & A(DYN2..DYN4) & A(DYN2..DYN4);
+ IF B /= (1,2,1,2,3,1,2,3) THEN
+ FAILED ("INCORRECT CATENATION RESULT - 4");
+ END IF;
+
+ A := (8,7,6,5,4,3,2,1);
+ IF F ( A(DYN2..DYN6), A(DYN2..DYN3), A(DYN2..DYN2) )
+ /= (8,7,6,5,4,8,7,8) THEN
+ FAILED ("INCORRECT CATENATION RESULT - 5");
+ END IF;
+
+ CAT ( A(DYN3..5) & A(2..3), 3, 7, '6');
+ END;
+
+ RESULT;
+
+END C45342A;