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-- LA140221.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 procedure that is changed.

--

-- TEST DESCRIPTION:

--      This test compiles a generic procedure, a second generic

--      procedure, a generic instantiation of the second procedure

--      that depends on both the first and second generic

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

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

--      procedure 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 withed function and report "PASSED" at

--      execution time.

--

-- SPECIAL REQUIREMENTS:

--      To build this test:

--         1) Compile the file LA140220 (and include the results in the

--            program library).

--         2) Compile the file LA140221 (and include the results in the

--            program library).

--         3) Compile the file LA140222 (and include the results in the

--            program library).

--         4) Attempt to build an executable image.

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

--

-- TEST FILES:

--      This test consists of the following files:

--         LA140220.A

--      -> LA140221.AM

--         LA140222.A

--

-- PASS/FAIL CRITERIA:

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

--      LA14022_2 is missing or obsolete 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   LA5008S baseline version

--     23 JUN 95   SAIC        Initial version

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

--                             to coding conventions.

--     07 DEC 96   SAIC        Moved LA14022_0 to a separate file. Added

--                             pragma Elaborate to context clause of

--                             LA14022_2.

--

--!

package LA14022_1 is

     type rec_ptr;

     type rec is record

          data : integer;

     end record;

     type rec_ptr is access rec;

     subtype data_int is integer range 0..100;

end LA14022_1;

with LA14022_0;

with LA14022_1;

pragma Elaborate (LA14022_0);

procedure LA14022_2 is new

     LA14022_0 (stuff => LA14022_1.rec,

                ptr => LA14022_1.rec_ptr,

                return_result => LA14022_1.data_int,

                delta_val => 50);

with Report;

use Report;

with LA14022_2;

with LA14022_1;

use LA14022_1;

procedure LA140221 is

     TC_val : LA14022_1.data_int := 10;

     P, Q : LA14022_1.rec_ptr;

begin

     Test ("LA14022", "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 " &

                      "procedure that is changed");

     Q := P;

     LA14022_2 (Q, TC_val);

     if Q /= P then

          Failed ("Wrong procedure result");

     end if;

     if TC_val = 60 then

          Failed ("Old instantiation used");

     elsif TC_val /= 10 then

          Failed ("Wrong result");

     end if;

     Result;

end LA140221;