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-- LA140262.AM

--

--                             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:

--      Check that a compilation unit may not depend semantically

--      on two different versions of the same compilation unit.

--      Check the case where a generic instantiation depends on

--      a generic package instantiation that is changed.

--

-- TEST DESCRIPTION:

--      This test compiles a generic package, a generic

--      instantiation of the generic package, another generic

--      package, a generic instantiation of the second generic

--      package that withs the first generic instantiation

--      packages, and a main procedure that withs the instantiated

--      generic package.  Then, a new version of the first generic

--      package is compiled (in a separate file, simulating

--      editing and modification to the unit).  Unless automatic

--      recompilation is supported, this test should fail to link.

--      Otherwise, the test should recompile and link the correct

--      version of the instantiation and report "PASSED" at

--      execution time.

--

-- SPECIAL REQUIREMENTS:

--      To build this test:

--         1) Compile the file LA140260 (and include the results in the

--            program library).

--         2) Compile the file LA140261 (and include the results in the

--            program library).

--         3) Compile the file LA140262 (and include the results in the

--            program library).

--         4) Compile the file LA140263 (and include the results in the

--            program library).

--         5) Attempt to build an executable image.

--         6) If an executable image results, run it.

--

-- TEST FILES:

--      This test consists of the following files:

--         LA140260.A

--         LA140261.A

--      -> LA140262.AM

--         LA140263.A

--

-- PASS/FAIL CRITERIA:

--      The test passes if a link time error message reports that

--      LA140260 is missing or obsolete, or that LA14026_5 is

--      missing or obsolete (optional) and no executable image

--      results.  The test also passes if an executable image is produced

--      and reports "PASSED" (in the case where the implementation supports

--      automatic recompilation).

--

-- CHANGE HISTORY:

--     01 MAY 95   ACVC 1.12   LA5008W baseline version

--     06 JUL 95   SAIC        Initial version

--     18 NOV 96   SAIC        Modified unit names and prologue to conform

--                             to coding conventions.

--     07 DEC 96   SAIC        Moved LA14026_3 to a separate file. Added

--                             pragma Elaborate to context clause of LA14026_5.

--

--!

with LA14026_0;

generic

     type rec is new LA14026_0.basic_rec with private;

package LA14026_4 is

     type extended_node;

     type extended_node_ptr is access extended_node;

     type extended_node is new rec with

          record

               next : extended_node_ptr := null;

          end record;

     procedure add_next (node : in out extended_node; ptr : extended_node_ptr);

end LA14026_4;

---------------------------------------------------------

package body LA14026_4 is

     procedure add_next (node : in out extended_node;

                         ptr : extended_node_ptr) is

     begin

          node.next := ptr;

     end add_next;

end LA14026_4;

---------------------------------------------------------

with LA14026_3, LA14026_4;

pragma Elaborate (LA14026_4);

package LA14026_5 is new LA14026_4 (LA14026_3.node_type);

---------------------------------------------------------

with Report;

use Report;

with LA14026_5;

procedure LA140262 is

     root : LA14026_5.extended_node_ptr := new LA14026_5.extended_node;

     next : LA14026_5.extended_node_ptr := new LA14026_5.extended_node;

begin

     Test ("LA14026","Check that a compilation unit may not depend " &

                     "semantically on two different versions of " &

                     "the same compilation unit.  Check the case " &

                     "where a generic instantiation depends on " &

                     "a generic package instantiation that is " &

                     "changed");

     LA14026_5.add_next (root.all, next);

     if root.all.next.serial_no = 2 then

          Failed ("Old version of unit used");

     elsif root.all.next.serial_no /= 5 then

          Failed ("Wrong value returned");

     end if;

     Result;

end LA140262;