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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [ada/] [acats/] [tests/] [l/] [la140211.am] - Rev 867

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-- LA140211.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 package depends on another
--      generic package that is changed.
--
-- TEST DESCRIPTION:
--      This test compiles a generic package, a second generic 
--      package that withs the first and a main procedure that  
--      withs the second package.  Then, a new version of the  
--      first 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 withed function and report "PASSED" at 
--      execution time.
--
-- SPECIAL REQUIREMENTS:
--      To build this test:
--         1) Compile the file LA140210 (and include the results in the
--            program library).
--         2) Compile the file LA140211 (and include the results in the
--            program library).
--         3) Compile the file LA140212 (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:
--         LA140210.A
--      -> LA140211.AM
--         LA140212.A
--
-- PASS/FAIL CRITERIA:    
--      The test passes if a link time error message reports that 
--      LA14021_1 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   LA5008R 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 LA14021_0 to a separate file.
--
--!

package LA14021_1 is
     type data_record is tagged 
          record
          info : character;
          end record;
     subtype loop_count is integer range 1..100;
     type data_type is new data_record  with
          record
                serial : integer := 0;
          end record;
end LA14021_1;

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

with LA14021_1;
with LA14021_0;
generic     
     type data_rec is new LA14021_1.data_record with private;
package LA14021_2 is
     package util is new LA14021_0 (character, LA14021_1.loop_count);
     procedure flip_flop (rec1, rec2 : in out data_rec);
end LA14021_2;

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

package body LA14021_2 is
     procedure flip_flop (rec1, rec2 : in out data_rec) is
     begin
          util.swap (rec1.info, rec2.info);
    end flip_flop;
end LA14021_2;

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

with Report; use Report;
with LA14021_1;
with LA14021_2;

procedure LA140211 is
     package util is new LA14021_2 (LA14021_1.data_type);
     datum_1 : LA14021_1.data_type := LA14021_1.data_type'('a', 1);
     datum_2 : LA14021_1.data_type := LA14021_1.data_type'('b', 2);
begin
     Test ("LA14021", "Check that a compilation unit may " &
                      "not depend semantically on two " &
                      "different versions of the same " &
                      "compilation unit.  Check the case " &
                      "where a generic package depends on " &
                      "another generic package that is changed");

     util.flip_flop (datum_1, datum_2);
     if datum_1.info = 'b' then
          Failed ("Revised unit not used");
     elsif datum_1.info /= 'a' then 
          Failed ("Incorrect value returned");
     end if;

     Result;
end LA140211;

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