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-- CXB3001.A

--

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--     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 the specifications of the package Interfaces.C are

--      available for use.

--

-- TEST DESCRIPTION:

--      This test verifies that the types and subprograms specified for the

--      interface are present.  It just checks for the presence of

--      the subprograms.  Other tests are designed to exercise the interface.

--

-- APPLICABILITY CRITERIA:

--      If an implementation provides package Interfaces.C, this test

--      must compile, execute, and report "PASSED".

--

--

-- CHANGE HISTORY:

--      06 Dec 94   SAIC    ACVC 2.0

--      15 Nov 95   SAIC    Corrected To_C parameter list for ACVC 2.0.1.

--      28 Feb 96   SAIC    Added applicability criteria.

--

--!

with Report;

with Interfaces.C;                                             -- N/A => ERROR

procedure CXB3001 is

   package C renames Interfaces.C;

   use type C.signed_char;

   use type C.unsigned_char;

   use type C.char;

begin

   Report.Test ("CXB3001", "Check the specification of Interfaces.C");

   declare  -- encapsulate the test

      tst_CHAR_BIT  : constant :=  C.CHAR_BIT;

      tst_SCHAR_MIN : constant :=  C.SCHAR_MIN;

      tst_SCHAR_MAX : constant :=  C.SCHAR_MAX;

      tst_UCHAR_MAX : constant :=  C.UCHAR_MAX;

      -- Signed and Unsigned Integers

      tst_int   : C.int   := C.int'first;

      tst_short : C.short := C.short'first;

      tst_long  : C.long  := C.long'first;

      tst_signed_char_min : C.signed_char :=  C.signed_char'first;

      tst_signed_char_max : C.signed_char :=  C.signed_char'last;

      tst_unsigned        : C.unsigned;

      tst_unsigned_short  : C.unsigned_short;

      tst_unsigned_long   : C.unsigned_long;

      tst_unsigned_char :  C.unsigned_char;

      tst_plain_char    :  C.plain_char;

      tst_ptrdiff_t : C.ptrdiff_t;

      tst_size_t    : C.size_t;

      -- Floating-Point

      tst_C_float     : C.C_float;

      tst_double      : C.double;

      tst_long_double : C.long_double;

      -- Characters and Strings

      tst_char : C.char;

      tst_nul  : C.char := C.nul;

      -- Collect all the subprogram calls such that they are compiled

      -- but not executed

      --

      procedure Collect_All_Calls is

         CAC_char           : C.char;

         CAC_Character      : Character;

         CAC_String         : string (1..5);

         CAC_Boolean        : Boolean := false;

         CAC_char_array     : C.char_array(1..5);

         CAC_Integer        : integer;

         CAC_Natural        : natural;

         CAC_wchar_t        : C.wchar_t;

         CAC_Wide_Character : Wide_Character;

         CAC_wchar_array    : C.wchar_array(1..5);

         CAC_Wide_String    : Wide_String(1..5);

         CAC_size_t         : C.size_t;

      begin

         CAC_char      := C.To_C (CAC_Character);

         CAC_Character := C.To_Ada (CAC_char);

         CAC_char_array :=  C.To_C (CAC_String, CAC_Boolean);

         CAC_String     :=  C.To_Ada (CAC_char_array, CAC_Boolean);

         -- This call is out of LRM order so that we can use the

         -- array initialized above

         CAC_Boolean  := C.Is_Nul_Terminated (CAC_char_array);

         C.To_C   (CAC_String, CAC_char_array, CAC_size_t, CAC_Boolean);

         C.To_Ada (CAC_char_array, CAC_String, CAC_Natural, CAC_Boolean);

         CAC_wchar_t        := C.To_C (CAC_Wide_Character);

         CAC_Wide_Character := C.To_Ada (CAC_wchar_t);

         CAC_wchar_t        := C.wide_nul;

         CAC_wchar_array :=  C.To_C   (CAC_Wide_String, CAC_Boolean);

         CAC_Wide_String :=  C.To_Ada (CAC_wchar_array, CAC_Boolean);

         -- This call is out of LRM order so that we can use the

         -- array initialized above

         CAC_Boolean  := C.Is_Nul_Terminated (CAC_wchar_array);

         C.To_C   (CAC_Wide_String, CAC_wchar_array, CAC_size_t,  CAC_Boolean);

         C.To_Ada (CAC_wchar_array, CAC_Wide_String, CAC_Natural, CAC_Boolean);

         raise C.Terminator_Error;

      end Collect_All_Calls;

   begin    -- encapsulation

      if  tst_signed_char_min /= C.SCHAR_MIN then

         Report.Failed  ("tst_signed_char_min is incorrect");

      end if;

      if  tst_signed_char_max /= C.SCHAR_MAX then

         Report.Failed  ("tst_signed_char_max is incorrect");

      end if;

      if C.signed_char'Size /= C.CHAR_BIT then

         Report.Failed  ("C.signed_char'Size is incorrect");

      end if;

      if C.unsigned_char'first /= 0                or

         C.unsigned_char'last  /= C.UCHAR_MAX      or

         C.unsigned_char'size  /= C.CHAR_BIT       then

            Report.Failed  ("unsigned_char is incorrectly defined");

      end if;

      if tst_nul /= C.char'first then

         Report.Failed  ("tst_nul is incorrect");

      end if;

   end;     -- encapsulation

   Report.Result;

end CXB3001;