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+-- CC3019A.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 INSTANTIATIONS OF NESTED GENERIC UNITS ARE PROCESSED
+-- CORRECTLY.
+
+-- JBG 11/6/85
+
+GENERIC
+     TYPE ELEMENT_TYPE IS PRIVATE;
+PACKAGE CC3019A_QUEUES IS
+
+     TYPE QUEUE_TYPE IS PRIVATE;
+
+     PROCEDURE ADD (TO_Q : IN OUT QUEUE_TYPE;
+                    VALUE : ELEMENT_TYPE);
+
+     GENERIC
+          WITH PROCEDURE APPLY (VAL : ELEMENT_TYPE);
+     PROCEDURE ITERATOR (TO_Q : QUEUE_TYPE);
+
+PRIVATE
+
+     TYPE CONTENTS_TYPE IS ARRAY (1..3) OF ELEMENT_TYPE;
+     TYPE QUEUE_TYPE IS
+          RECORD
+               CONTENTS : CONTENTS_TYPE;
+               SIZE     : NATURAL := 0;
+          END RECORD;
+
+END CC3019A_QUEUES;
+
+PACKAGE BODY CC3019A_QUEUES IS
+
+     PROCEDURE ADD (TO_Q : IN OUT QUEUE_TYPE;
+                    VALUE : ELEMENT_TYPE) IS
+     BEGIN
+          TO_Q.SIZE := TO_Q.SIZE + 1;
+          TO_Q.CONTENTS(TO_Q.SIZE) := VALUE;
+     END ADD;
+
+--   GENERIC
+--        WITH PROCEDURE APPLY (VAL : ELEMENT_TYPE);
+     PROCEDURE ITERATOR (TO_Q : QUEUE_TYPE) IS
+     BEGIN
+          FOR I IN TO_Q.CONTENTS'FIRST .. TO_Q.SIZE LOOP
+               APPLY (TO_Q.CONTENTS(I));
+          END LOOP;
+     END ITERATOR;
+
+END CC3019A_QUEUES;
+
+WITH REPORT; USE REPORT;
+WITH CC3019A_QUEUES;
+PROCEDURE CC3019A IS
+
+     SUBTYPE STR6 IS STRING (1..6);
+
+     TYPE STR6_ARR IS ARRAY (1..3) OF STR6;
+     STR6_VALS : STR6_ARR := ("111111", "222222",
+                               IDENT_STR("333333"));
+     CUR_STR_INDEX : NATURAL := 1;
+
+     TYPE INT_ARR IS ARRAY (1..3) OF INTEGER;
+     INT_VALS : INT_ARR := (-1, 3, IDENT_INT(3));
+     CUR_INT_INDEX : NATURAL := 1;
+
+-- THIS PROCEDURE IS CALLED ONCE FOR EACH ELEMENT OF THE QUEUE
+--
+     PROCEDURE CHECK_STR (VAL : STR6) IS
+     BEGIN
+          IF VAL /= STR6_VALS(CUR_STR_INDEX) THEN
+               FAILED ("STR6 ITERATOR FOR INDEX =" &
+                       INTEGER'IMAGE(CUR_STR_INDEX) & " WITH VALUE " &
+                       """" & VAL & """");
+          END IF;
+          CUR_STR_INDEX := CUR_STR_INDEX + 1;
+     EXCEPTION
+          WHEN CONSTRAINT_ERROR =>
+               FAILED ("STR6 - CONSTRAINT_ERROR RAISED");
+          WHEN OTHERS =>
+               FAILED ("STR6 - UNEXPECTED EXCEPTION");
+     END CHECK_STR;
+
+     PROCEDURE CHECK_INT (VAL : INTEGER) IS
+     BEGIN
+          IF VAL /= INT_VALS(CUR_INT_INDEX) THEN
+               FAILED ("INTEGER ITERATOR FOR INDEX =" &
+                       INTEGER'IMAGE(CUR_INT_INDEX) & " WITH VALUE " &
+                       """" & INTEGER'IMAGE(VAL) & """");
+          END IF;
+          CUR_INT_INDEX := CUR_INT_INDEX + 1;
+     EXCEPTION
+          WHEN CONSTRAINT_ERROR =>
+               FAILED ("INTEGER - CONSTRAINT_ERROR RAISED");
+          WHEN OTHERS =>
+               FAILED ("INTEGER - UNEXPECTED EXCEPTION");
+     END CHECK_INT;
+
+     PACKAGE STR6_QUEUE IS NEW CC3019A_QUEUES (STR6);
+     USE STR6_QUEUE;
+
+     PACKAGE INT_QUEUE IS NEW CC3019A_QUEUES (INTEGER);
+     USE INT_QUEUE;
+
+BEGIN
+
+     TEST ("CC3019A", "CHECK NESTED GENERICS - ITERATORS");
+
+     DECLARE
+          Q1 : STR6_QUEUE.QUEUE_TYPE;
+
+          PROCEDURE CHK_STR IS NEW STR6_QUEUE.ITERATOR (CHECK_STR);
+
+     BEGIN
+
+          ADD (Q1, "111111");
+          ADD (Q1, "222222");
+          ADD (Q1, "333333");
+
+          CUR_STR_INDEX := 1;
+          CHK_STR (Q1);
+
+     EXCEPTION
+          WHEN OTHERS =>
+               FAILED ("UNEXPECTED EXCEPTION - Q1");
+     END;
+
+-- REPEAT FOR INTEGERS
+
+     DECLARE
+          Q2 : INT_QUEUE.QUEUE_TYPE;
+
+          PROCEDURE CHK_INT IS NEW INT_QUEUE.ITERATOR (CHECK_INT);
+
+     BEGIN
+
+          ADD (Q2, -1);
+          ADD (Q2, 3);
+          ADD (Q2, 3);
+
+          CUR_INT_INDEX := 1;
+          CHK_INT (Q2);
+
+     EXCEPTION
+          WHEN OTHERS =>
+               FAILED ("UNEXPECTED EXCEPTION - Q2");
+     END;
+
+     RESULT;
+
+END CC3019A;