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-- CXB3002.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 the specifications of the package Interfaces.C.Strings

--      are available for use.

--

-- TEST DESCRIPTION:

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

--      interface are present

--

-- APPLICABILITY CRITERIA:

--      If an implementation provides packages Interfaces.C and

--      Interfaces.C.Strings, this test must compile, execute, and

--      report "PASSED".

--

--

-- CHANGE HISTORY:

--      06 Dec 94   SAIC    ACVC 2.0

--      28 Feb 96   SAIC    Added applicability criteria.

--

--!

with Report;

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

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

procedure CXB3002 is

   package Strings renames Interfaces.C.Strings;

   package C renames Interfaces.C;

begin

   Report.Test ("CXB3002", "Check the specification of Interfaces.C.Strings");

   declare  -- encapsulate the test

      TC_Int_1      : integer := 1;

      TC_Int_2      : integer := 1;

      TC_String     : String := "ABCD";

      TC_Boolean    : Boolean := true;

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

      TC_size_t     : C.size_t := C.size_t'first;

      --  Note In all of the following the Strings spec. being tested

      --  is shown in comment lines

      --

      --    type char_array_access is access all char_array;

      TST_char_array_access :  Strings.char_array_access :=

                                       new Interfaces.C.char_array (1..5);

      --    type chars_ptr is private;

      --    Null_Ptr : constant chars_ptr;

      TST_chars_ptr : Strings.chars_ptr := Strings.Null_ptr;

      --  type chars_ptr_array is array (size_t range <>) of chars_ptr;

      TST_chars_ptr_array : Strings.chars_ptr_array(1..5);

   begin    -- encapsulation

      -- Arrange that the calls to the subprograms are compiled but

      -- not executed

      --

      if not Report.Equal ( TC_Int_1, TC_Int_2 ) then

         --    function To_Chars_Ptr (Item      : in char_array_access;

         --                           Nul_Check : in Boolean := False)

         --       return chars_ptr;

         TST_chars_ptr := Strings.To_Chars_Ptr

                                          (TST_char_array_access, TC_Boolean);

         --    This one is out of LRM order so that we can "initialize"

         --    TC_char_array for the "in" parameter of the next one

         --

         --    function Value (Item : in chars_ptr) return char_array;

         TC_char_array := Strings.Value (TST_chars_ptr);

         --    function New_Char_Array (Chars   : in char_array)

         --       return chars_ptr;

         TST_chars_ptr := Strings.New_Char_Array (TC_char_array);

         --    function New_String (Str : in String) return chars_ptr;

         TST_chars_ptr := Strings.New_String ("TEST STRING");

         --    procedure Free (Item : in out chars_ptr);

         Strings.Free (TST_chars_ptr);

         --    function Value (Item : in chars_ptr; Length : in size_t)

         --       return char_array;

         TC_char_array := Strings.Value (TST_chars_ptr, TC_size_t);

         -- Use Report.Comment as a known procedure which takes a string as

         -- a parameter (this does not actually get output)

         --    function Value (Item : in chars_ptr) return String;

         Report.Comment ( Strings.Value (TST_chars_ptr) );

         --    function Value (Item : in chars_ptr; Length : in size_t)

         --       return String;

         TC_String := Strings.Value (TST_chars_ptr, TC_size_t);

         --    function Strlen (Item : in chars_ptr) return size_t;

         TC_size_t := Strings.Strlen (TST_chars_ptr);

         --    procedure Update (Item   : in chars_ptr;

         --                      Offset : in size_t;

         --                      Chars  : in char_array;

         --                      Check  : in Boolean := True);

         Strings.Update (TST_chars_ptr, TC_size_t, TC_char_array, TC_Boolean);

         --    procedure Update (Item   : in chars_ptr;

         --                      Offset : in size_t;

         --                      Str    : in String;

         --                      Check  : in Boolean := True);

         Strings.Update (TST_chars_ptr, TC_size_t, TC_String, TC_Boolean);

         --    Update_Error : exception;

         raise Strings.Update_Error;

      end if;

      if not Report.Equal ( TC_Int_2, TC_Int_1 ) then

         -- This exception is out of LRM presentation order to avoid

         -- compiler warnings about unreachable code

         --    Dereference_Error : exception;

         raise Strings.Dereference_Error;

      end if;

   end;     -- encapsulation

   Report.Result;

end CXB3002;