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-- LA140162.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 separate procedure depends

--      on a withed generic package that is changed.

--

-- TEST DESCRIPTION:

--      This test declares a package which contains a generic procedure GP,

--      the body of which is a subunit. The package also contains a procedure

--      P which instantiates GP and calls the instance. The instance itself

--      calls a procedure which is declared within the instance of a generic

--      package X. The test compiles each of these compilation units and the

--      main procedure, then compiles a new version of the generic package X

--      (in a separate file, simulating an editing 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 generic package X and report "PASSED" at execution time.

--

-- SPECIAL REQUIREMENTS:

--      To build this test:

--         1) Compile the file LA140160 (and include the results in the

--            program library).

--         2) Compile the file LA140161 (and include the results in the

--            program library).

--         3) Compile the file LA140162 (and include the results in the

--            program library).

--         4) Compile the file LA140163 (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:

--         LA140160.A

--         LA140161.A

--      -> LA140162.AM

--         LA140163.A

--

-- PASS/FAIL CRITERIA:

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

--      LA14016_4.gen_def 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   LA5008L baseline version

--     16 JUN 95   SAIC        Initial version

--     07 DEC 96   SAIC        Modified unit names and prologue to conform

--                             to coding conventions. Restructured subunits

--                             to prevent potential Program_Error due to

--                             premature instantiation of gen_def. Moved

--                             LA14016_1 to a separate file. Added pragma

--                             Elaborate to context clause of LA14016_3.

--

--

--!

package body LA14016_1 is

     procedure inc (param : in out new_t) is

     begin

          param.count := param.count + 1;

     end inc;

     function status (param : new_t) return LA14016_0.status_code is

     begin

          return LA14016_0.status_code(param.count);

     end status;

end LA14016_1;

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

with LA14016_0;

package LA14016_2 is

     type extended is new LA14016_0.tagged_type with

          record

               status : LA14016_0.status_code := 10;

          end record;

     function status (param : extended) return LA14016_0.status_code;

end LA14016_2;

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

package body LA14016_2 is

     function status (param : extended) return LA14016_0.status_code is

     begin

          return param.status;

     end status;

end LA14016_2;

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

with LA14016_0;

with LA14016_1;

with LA14016_2;

pragma Elaborate (LA14016_1);

package LA14016_3 is new LA14016_1 (LA14016_2.extended,

                                    LA14016_0.status_code);

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

with LA14016_3;

package LA14016_4 is

   procedure gen_caller (p1 : in out LA14016_3.new_t);

   generic

      new_max : integer;

   procedure gen_def (param : in out LA14016_3.new_t);

end LA14016_4;

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

package body LA14016_4 is

   procedure gen_def (param : in out LA14016_3.new_t) is separate;

   procedure gen_caller (p1 : in out LA14016_3.new_t) is separate;

end LA14016_4;

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

separate (LA14016_4)

procedure gen_def (param : in out LA14016_3.new_t) is

begin

     param.status := LA14016_3.default_status;  --originally 0

                                                --later change to 5

     param.count := param.status;

     LA14016_3.inc (param);

end gen_def;

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

separate (LA14016_4)

procedure gen_caller (p1 : in out LA14016_3.new_t) is

   procedure default is new gen_def (101);

begin

   default (p1);

end gen_caller;

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

with Report; use Report;

with LA14016_3;

with LA14016_4;

with LA14016_2;

procedure LA140162 is

     E : LA14016_3.new_t; --status defaults to 10

begin

     Test ("LA14016","Check that a compilation unit may not depend " &

                     "semantically on two different versions of the " &

                     "same compilation unit.  Check the case where a " &

                     "separate procedure depends on a withed generic " &

                     "package that is changed");

     LA14016_4.gen_caller (E);

     if E.status = 0 then

          Failed ("Old generic used");

     elsif E.status = 10 then

          Failed ("Status not updated");

     elsif E.status /= 5 then

          Failed ("Wrong status value used");

     end if;

     if E.count /= 6 then

          Failed ("Count not properly handled");

     end if;

     Result;

end LA140162;