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+-- C47009A.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.
+--*
+-- OBJECTIVE:
+-- WHEN THE TYPE MARK IN A QUALIFIED EXPRESSION DENOTES A
+-- CONSTRAINED ACCESS TYPE, CHECK THAT CONSTRAINT_ERROR IS RAISED
+-- WHEN THE VALUE OF THE OPERAND IS NOT NULL AND THE DESIGNATED
+-- OBJECT HAS INDEX BOUNDS OR DISCRIMINANT VALUES THAT DO NOT EQUAL
+-- THOSE SPECIFIED IN THE ACCESS TYPE'S CONSTRAINT.
+
+-- HISTORY:
+-- RJW 7/23/86
+-- DWC 07/24/87 REVISED TO MAKE THE ACCESS TYPE UNCONSTRAINED
+-- AND TO PREVENT DEAD VARIABLE OPTIMIZATION.
+
+WITH REPORT; USE REPORT;
+PROCEDURE C47009A IS
+
+BEGIN
+
+ TEST( "C47009A", "WHEN THE TYPE MARK IN A QUALIFIED EXPRESSION " &
+ "DENOTES A CONSTRAINED ACCESS TYPE, CHECK " &
+ "THAT CONSTRAINT_ERROR IS RAISED WHEN THE " &
+ "VALUE OF THE OPERAND IS NOT NULL AND THE " &
+ "DESIGNATED OBJECT HAS INDEX BOUNDS OR " &
+ "DISCRIMINANT VALUES THAT DO NOT EQUAL THOSE " &
+ "SPECIFIED IN THE ACCESS TYPE'S CONSTRAINT" );
+
+ DECLARE
+
+ TYPE ARR IS ARRAY (NATURAL RANGE <>) OF INTEGER;
+ TYPE ACC1 IS ACCESS ARR;
+ SUBTYPE ACC1S IS ACC1 (IDENT_INT (1) .. IDENT_INT (5));
+ A : ACC1;
+ B : ARR (IDENT_INT (2) .. IDENT_INT (6));
+
+ BEGIN
+ A := ACC1S'(NEW ARR'(B'FIRST .. B'LAST => 0));
+ IF A'FIRST = 1 THEN
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC1 - 1" );
+ ELSE
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC1 - 2" );
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC1" );
+ END;
+
+ DECLARE
+
+ TYPE ARR IS ARRAY (NATURAL RANGE <>, NATURAL RANGE <>)
+ OF INTEGER;
+ TYPE ACC2 IS ACCESS ARR;
+ SUBTYPE ACC2S IS ACC2 (IDENT_INT (1) .. IDENT_INT (5),
+ IDENT_INT (1) .. IDENT_INT (1));
+ A : ACC2;
+ B : ARR (IDENT_INT (1) .. IDENT_INT (5),
+ IDENT_INT (2) .. IDENT_INT (2));
+
+ BEGIN
+ A := ACC2S'(NEW ARR'(B'RANGE => (B'RANGE (2) => 0)));
+ IF A'FIRST = 1 THEN
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC2 - 1" );
+ ELSE
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC2 - 2" );
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC2" );
+ END;
+
+ DECLARE
+
+ TYPE REC (D : INTEGER) IS
+ RECORD
+ NULL;
+ END RECORD;
+
+ TYPE ACC3 IS ACCESS REC;
+ SUBTYPE ACC3S IS ACC3 (IDENT_INT (3));
+ A : ACC3;
+ B : REC (IDENT_INT (5)) := (D => (IDENT_INT (5)));
+
+ BEGIN
+ A := ACC3S'(NEW REC'(B));
+ IF A = NULL THEN
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC3 - 1" );
+ ELSE
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC3 - 2" );
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC3" );
+ END;
+
+ DECLARE
+
+ TYPE REC (D1,D2 : INTEGER) IS
+ RECORD
+ NULL;
+ END RECORD;
+
+ TYPE ACC4 IS ACCESS REC;
+ SUBTYPE ACC4S IS ACC4 (IDENT_INT (4), IDENT_INT (5));
+ A : ACC4;
+ B : REC (IDENT_INT (5), IDENT_INT (4)) :=
+ (D1 => (IDENT_INT (5)), D2 => (IDENT_INT (4)));
+
+ BEGIN
+ A := ACC4S'(NEW REC'(B));
+ IF A = NULL THEN
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC4 - 1" );
+ ELSE
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC4 - 2" );
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR DISC VALUES " &
+ "DIFFERENT FROM THOSE OF TYPE ACC4" );
+ END;
+
+ DECLARE
+
+ PACKAGE PKG IS
+ TYPE REC (D : INTEGER) IS PRIVATE;
+
+ B : CONSTANT REC;
+ PRIVATE
+ TYPE REC (D : INTEGER) IS
+ RECORD
+ NULL;
+ END RECORD;
+
+ B : CONSTANT REC := (D => (IDENT_INT (4)));
+ END PKG;
+
+ USE PKG;
+
+ TYPE ACC5 IS ACCESS REC;
+ SUBTYPE ACC5S IS ACC5 (IDENT_INT (3));
+ A : ACC5;
+
+ BEGIN
+ A := ACC5S'(NEW REC'(B));
+ IF A = NULL THEN
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC5 - 1" );
+ ELSE
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC5 - 2" );
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR DISC VALUES " &
+ "DIFFERENT FROM THOSE OF TYPE ACC5" );
+ END;
+
+ DECLARE
+
+ PACKAGE PKG1 IS
+ TYPE REC (D : INTEGER) IS LIMITED PRIVATE;
+ TYPE ACC6 IS ACCESS REC;
+ SUBTYPE ACC6S IS ACC6 (IDENT_INT (6));
+
+ FUNCTION F RETURN ACC6;
+ PRIVATE
+ TYPE REC (D : INTEGER) IS
+ RECORD
+ NULL;
+ END RECORD;
+ END PKG1;
+
+ PACKAGE BODY PKG1 IS
+
+ FUNCTION F RETURN ACC6 IS
+ BEGIN
+ RETURN NEW REC'(D => IDENT_INT (5));
+ END F;
+
+ END PKG1;
+
+ PACKAGE PKG2 IS END PKG2;
+
+ PACKAGE BODY PKG2 IS
+ USE PKG1;
+
+ A : ACC6;
+
+ BEGIN
+ A := ACC6S'(F);
+ IF A = NULL THEN
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC6 - 1" );
+ ELSE
+ FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " &
+ "DIFFERENT FROM THOSE OF TYPE ACC6 - 2" );
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR DISC " &
+ "VALUES DIFFERENT FROM THOSE OF TYPE " &
+ "ACC6" );
+ END PKG2;
+
+ BEGIN
+ NULL;
+ END;
+
+ RESULT;
+END C47009A;