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-- CD30005.A

--

--                             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 Address clauses are supported for imported subprograms.

--

-- TEST DESCRIPTION:

--      This test imports a simple C function and specifies it's location.

--

--      The implementation may choose to implement

--      Impdef.CD30005_1_Foreign_Address so as to dynamically call a C

--      function that returns the appropriate address for the external

--      function identified by Impdef.CD30005_1_External_Name.

--

-- TEST FILES:

--         CD300050.AM

--         CD300051.C  -- the C function:  (included below for reference)

--

-- SPECIAL REQUIREMENTS:

--      The file CD300051.C must be compiled with a C compiler.

--      Implementation dialects of C may require alteration of the C program

--      syntax.  The program is included here for reference:

--

--            int _cd30005_1( Value )

--            {

--               /* int Value */

--

--               return Value + 1;

--            }

--

--      Implementations may require special linkage commands to include the

--      C code.

--

-- APPLICABILITY CRITERIA:

--    This test is not applicable to implementations not providing an interface

--    to C language units.  OTHERWISE:

--

--      All implementations must attempt to compile this test.

--

--      For implementations validating against Systems Programming Annex (C):

--        this test must execute and report PASSED.

--

--      For implementations not validating against Annex C:

--        this test may report compile time errors at one or more points

--        indicated by "-- ANX-C RQMT", in which case it may be graded as inapplicable.

--        Otherwise, the test must execute and report PASSED.

--

--

-- CHANGE HISTORY:

--      22 JUL 95   SAIC   Initial version

--      30 APR 96   SAIC   Added commentary for 2.1

--      09 MAY 96   SAIC   Changed reporting for 2.1

--      04 NOV 96   SAIC   Added use type System.Address

--      16 FEB 98   EDS    Modified documentation.

--      29 JUN 98   EDS    Modified main program name.

--!

----------------------------------------------------------------- CD30005_0

with Impdef;

package CD30005_0 is

--      Check that Address clauses are supported for imported subprograms.

  type External_Func_Ref is access function(N:Integer) return Integer;

    pragma Convention( C, External_Func_Ref );

  function CD30005_1( I: Integer ) return Integer;

    pragma Import( C, CD30005_1,

                   Impdef.CD30005_1_External_Name );          -- N/A => ERROR.

      for CD30005_1'Address use

        Impdef.CD30005_1_Foreign_Address;                     -- ANX-C RQMT.

  procedure TC_Check_Imports;

end CD30005_0;

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

with Report;

with System.Storage_Elements;

with System.Address_To_Access_Conversions;

package body CD30005_0 is

  use type System.Address;

  procedure TC_Check_Imports is

    S   : External_Func_Ref := CD30005_1'Access;

    I,K : Integer := 99;

  begin

    K := S.all(I);

    if K /= 100 then

      Report.Failed("C program returned" & Integer'Image(K));

    end if;

    I := CD30005_1( I );

    if I /= 100 then

      Report.Failed("C program returned" & Integer'Image(I));

    end if;

    if CD30005_1'Address /= Impdef.CD30005_1_Foreign_Address then

      Report.Failed("Address not that specified");

    end if;

  end TC_Check_Imports;

end CD30005_0;

------------------------------------------------------------------- CD300050

with Report;

with CD30005_0;

procedure CD300050 is

begin  -- Main test procedure.

  Report.Test ("CD30005",

               "Check that Address clauses are supported for imported " &

               "subprograms" );

--      Check that Address clauses are supported for imported subprograms.

  CD30005_0.TC_Check_Imports;

  Report.Result;

end CD300050;