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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;