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-- LA140202.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 library level instance depends on

--      a library level generic function whose body is changed.

--

-- TEST DESCRIPTION:

--      This test compiles a generic function, an instance of a generic

--      function that withs the first function and a main procedure that

--      withs the instance.  Then a new version of the first generic function

--      is compiled (in a separate file, simulating editing and modification

--      of 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 LA140200 (and include the results in the

--            program library).

--         2) Compile the file LA140201 (and include the results in the

--            program library).

--         3) Compile the file LA140202 (and include the results in the

--            program library).

--         4) Compile the file LA140203 (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:

--         LA140200.A

--         LA140201.A

--      -> LA140202.AM

--         LA140203.A

--

-- PASS/FAIL CRITERIA:

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

--      LA140202 is missing or obsolete, or that LA14020_3 or LA14020_4

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

--      results.  The test 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   LA5008Q baseline version

--     23 JUN 95   SAIC        Initial version

--     29 FEB 96   SAIC        First revision after review

--     12 DEC 96   SAIC        Reorganized to permit automatic recompilation.

--                             Reworded objective. Moved instance to

--                             library-level and redesigned to use generic

--                             formal function. Fixed arithmetic errors.

--

--!

with LA14020_0.LA14020_1;

with LA14020_2;

pragma Elaborate (LA14020_2);

function LA14020_3 is new LA14020_2 (LA14020_0.LA14020_1.Bigger_Basket);

    --==================================================================--

with LA14020_0.LA14020_1;

generic

     type Market_Basket is new LA14020_0.LA14020_1.Bigger_Basket with private;

     with function "+" (L,R: Market_Basket) return Market_Basket is <>;

function LA14020_4 (B1, B2 : Market_Basket) return Market_Basket;

    --==================================================================--

with LA14020_3;

function LA14020_4 (B1, B2 : Market_Basket) return Market_Basket is

   Result : Market_Basket;

begin

   Result := B1 + B2;

   Result.Total := integer (Result.App) + integer (Result.Ora);

   return Result;

end LA14020_4;

    --==================================================================--

with Report;

with LA14020_0.LA14020_1;

with LA14020_3;

with LA14020_4;

procedure LA140202 is

   package Child renames LA14020_0.LA14020_1;

   Basket_1 : Child.Bigger_Basket := (App => 5, Ora => 20, Total => 0);

   Basket_2 : Child.Bigger_Basket := (App => 7, Ora =>  3, Total => 0);

   function Total is new LA14020_4 (Child.Bigger_Basket, LA14020_3);

begin

     Report.Test ("LA14020", "Check that a compilation unit may "  &

                             "not depend semantically on two "     &

                             "different versions of the same "     &

                             "compilation unit. Check the case "   &

                             "where a library level instance "     &

                             "depends on a library level generic " &

                             "function whose body is changed");

     Basket_1 := Total (Basket_1, Basket_2);

     if    Basket_1.App    = 10 or

           Basket_1.Ora    =  6 or

           Basket_1.Total  = 16

     then

        Report.Failed ("Revised generic function not used");

     elsif Basket_1.App   /= 12 or

           Basket_1.Ora   /= 23 or

           Basket_1.Total /= 35 then

        Report.Failed ("Incorrect result returned");

     end if;

     Report.Result;

end LA140202;