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-- CXA4007.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 subprograms defined in package Ada.Strings.Bounded are
--      available, and that they produce correct results. Specifically, check 
--      the subprograms Append, Count, Element, Find_Token, Head, 
--      Index_Non_Blank, Replace_Element, Replicate, Tail, To_Bounded_String, 
--      "&", ">", "<", ">=", "<=", and "*".
--      
-- TEST DESCRIPTION:
--      This test, when taken in conjunction with tests CXA400[6,8,9], will 
--      constitute a test of all the functionality contained in package
--      Ada.Strings.Bounded.  This test uses a variety of the
--      subprograms defined in the bounded string package in ways typical
--      of common usage.  Different combinations of available subprograms
--      are used to accomplish similar bounded string processing goals.
--      
--       
-- CHANGE HISTORY:
--      06 Dec 94   SAIC    ACVC 2.0
--      22 Dec 94   SAIC    Changed obsolete constant to Ada.Strings.Space.
--
--!

with Ada.Strings;
with Ada.Strings.Bounded;
with Ada.Strings.Maps;
with Report;

procedure CXA4007 is

begin

   Report.Test ("CXA4007", "Check that the subprograms defined in package " &
                           "Ada.Strings.Bounded are available, and that "   &
                           "they produce correct results");

   Test_Block:
   declare

      package BS80 is new Ada.Strings.Bounded.Generic_Bounded_Length(80);
      use type BS80.Bounded_String;

      Part1 : constant String     := "Rum";
      Part2 : Character           := 'p';
      Part3 : BS80.Bounded_String := BS80.To_Bounded_String("el");
      Part4 : Character           := 's';
      Part5 : BS80.Bounded_String := BS80.To_Bounded_String("tilt");
      Part6 : String(1..3)        := "ski";

      Full_Catenate_String,
      Full_Append_String,  
      Constructed_String,   
      Drop_String,
      Replicated_String,     
      Token_String         : BS80.Bounded_String;

      CharA : Character := 'A';          
      CharB : Character := 'B';
      CharC : Character := 'C';   
      CharD : Character := 'D';
      CharE : Character := 'E';
      CharF : Character := 'F';

      ABStr : String(1..15) := "AAAAABBBBBBBBBB";
      StrB  : String(1..2)  := "BB";
      StrE  : String(1..2)  := "EE";


   begin

      -- Evaluation of the overloaded forms of the "&" operator defined
      -- for instantiations of Bounded Strings.

      Full_Catenate_String := 
        BS80."&"(Part2,                            -- Char & Bnd Str
                 BS80."&"(Part3,                   -- Bnd Str & Bnd Str
                          BS80."&"(Part4,          -- Char & Bnd Str
                                   BS80."&"(Part5, -- Bnd Str & Bnd Str
                                           BS80.To_Bounded_String(Part6)))));  
                                                 
      Full_Catenate_String := 
        Part1 &  Full_Catenate_String;             -- Str & Bnd Str
      Full_Catenate_String := 
        Full_Catenate_String & 'n';                -- Bnd Str & Char


      -- Evaluation of the overloaded forms of function Append.

      Full_Append_String := 
        BS80.Append(Part2,                                      -- Char,Bnd
               BS80.Append(Part3,                               -- Bnd, Bnd
                      BS80.Append(Part4,                        -- Char,Bnd
                             BS80.Append(BS80.To_String(Part5), -- Str,Bnd
                                         BS80.To_Bounded_String(Part6)))));

      Full_Append_String := 
        BS80.Append(BS80.To_Bounded_String(Part1),            -- Bnd , Str
                    BS80.To_String(Full_Append_String));

      Full_Append_String := 
        BS80.Append(Left  => Full_Append_String, 
                    Right => 'n');                            -- Bnd, Char


      -- Validate the resulting bounded strings.

      if Full_Catenate_String < Full_Append_String or
         Full_Catenate_String > Full_Append_String or
         not (Full_Catenate_String  = Full_Append_String and
              Full_Catenate_String <= Full_Append_String and
              Full_Catenate_String >= Full_Append_String)
      then
         Report.Failed("Incorrect results from bounded string catenation" &
                       " and comparison");
      end if;


      -- Evaluate the overloaded forms of the Constructor function "*" and 
      -- the Replicate function.

      Constructed_String := 
        (2 * CharA) &                           -- "AA"
        (2 * StrB)  &                           -- "AABBBB"
        (3 * BS80."*"(2, CharC)) &              -- "AABBBBCCCCCC"
        BS80.Replicate(3, 
                   BS80.Replicate(2, CharD)) &  -- "AABBBBCCCCCCDDDDDD"
        BS80.Replicate(2, StrE) &               -- "AABBBBCCCCCCDDDDDDEEEE"
        BS80.Replicate(2, CharF);               -- "AABBBBCCCCCCDDDDDDEEEEFF"


      -- Use of Function Replicate that involves dropping characters.  The
      -- attempt to replicate the 15 character string six times will exceed
      -- the 80 character bound of the string.  Therefore, the result should
      -- be the catenation of 5 copies of the 15 character string, followed
      -- by 5 'A' characters (the first five characters of the 6th
      -- replication) with the remaining characters of the 6th replication 
      -- dropped.

      Drop_String := 
         BS80.Replicate(Count => 6,                   
                        Item  => ABStr,              -- "AAAAABBBBBBBBBB"
                        Drop  => Ada.Strings.Right); 

      if BS80.Element(Drop_String, 1)  /= 'A' or
         BS80.Element(Drop_String, 6)  /= 'B' or
         BS80.Element(Drop_String, 76) /= 'A' or
         BS80.Element(Drop_String, 80) /= 'A' 
      then
         Report.Failed("Incorrect result from Replicate with Drop");
      end if;


      -- Use function Index_Non_Blank in the evaluation of the
      -- Constructed_String.

      if BS80.Index_Non_Blank(Constructed_String, Ada.Strings.Forward)  /=
         BS80.To_String(Constructed_String)'First                         or
         BS80.Index_Non_Blank(Constructed_String, Ada.Strings.Backward) /=
         BS80.Length(Constructed_String)
      then
         Report.Failed("Incorrect results from constructor functions");
      end if;



      declare

         -- Define character set objects for use with the Count function.
         -- Constructed_String = "AABBBBCCCCCCDDDDDDEEEEFF" from above.

         A_Set : Ada.Strings.Maps.Character_Set :=
                 Ada.Strings.Maps.To_Set(BS80.Element(Constructed_String,1));
         B_Set : Ada.Strings.Maps.Character_Set :=
                 Ada.Strings.Maps.To_Set(BS80.Element(Constructed_String,3));
         C_Set : Ada.Strings.Maps.Character_Set :=
                 Ada.Strings.Maps.To_Set(BS80.Element(Constructed_String,7));
         D_Set : Ada.Strings.Maps.Character_Set :=
                 Ada.Strings.Maps.To_Set(BS80.Element(Constructed_String,13));
         E_Set : Ada.Strings.Maps.Character_Set :=
                 Ada.Strings.Maps.To_Set(BS80.Element(Constructed_String,19));
         F_Set : Ada.Strings.Maps.Character_Set :=
                 Ada.Strings.Maps.To_Set(BS80.Element(Constructed_String,23));


         Start : Positive;
         Stop  : Natural  := 0;

      begin

         -- Evaluate the results from function Count by comparing the number
         -- of A's to the number of F's, B's to E's, and C's to D's in the
         -- Constructed_String.  
         -- There should be an equal number of each of the characters that 
         -- are being compared (i.e., 2 A's and F's, 4 B's and E's, etc)

         if BS80.Count(Constructed_String, A_Set)      /= 
            BS80.Count(Constructed_String, F_Set)        or
            BS80.Count(Constructed_String, B_Set)      /= 
            BS80.Count(Constructed_String, E_Set)        or
            not (BS80.Count(Constructed_String, C_Set)  =  
                 BS80.Count(Constructed_String, D_Set))  
         then
            Report.Failed("Incorrect result from function Count");
         end if;


         -- Evaluate the functions Head, Tail, and Find_Token.
         -- Create the Token_String from the Constructed_String above.

         Token_String := 
           BS80.Tail(BS80.Head(Constructed_String,  3), 2) &     -- "AB" &
           BS80.Head(BS80.Tail(Constructed_String, 13), 2) &     -- "CD" &
           BS80.Head(BS80.Tail(Constructed_String,  3), 2);      -- "EF"

         if Token_String /= BS80.To_Bounded_String("ABCDEF") then
            Report.Failed("Incorrect result from Catenation of Token_String");
         end if;


         -- Find the starting/ending position of the first A in the 
         -- Token_String (both should be 1, only one A appears in string).
         -- The Function Head uses the default pad character to return a
         -- bounded string longer than its input parameter bounded string.

         BS80.Find_Token(BS80.Head(Token_String, 10),  -- Default pad.
                         A_Set,
                         Ada.Strings.Inside,
                         Start,
                         Stop);

         if Start /= 1 and Stop /= 1 then
            Report.Failed("Incorrect result from Find_Token - 1");
         end if;


         -- Find the starting/ending position of the first non-AB slice in
         -- the "head" five characters of Token_String (slice CDE at 
         -- positions 3-5)

         BS80.Find_Token(BS80.Head(Token_String, 5),            -- "ABCDE"
                         Ada.Strings.Maps."OR"(A_Set, B_Set),   -- Set (AB)
                         Ada.Strings.Outside,
                         Start,
                         Stop);

         if Start /= 3 and Stop /= 5 then
            Report.Failed("Incorrect result from Find_Token - 2");
         end if;


         -- Find the starting/ending position of the first CD slice in
         -- the "tail" eight characters (including two pad characters) 
         -- of Token_String (slice CD at positions 5-6 of the tail 
         -- portion specified)

         BS80.Find_Token(BS80.Tail(Token_String, 8, 
                                   Ada.Strings.Space),         -- "  ABCDEF"
                         Ada.Strings.Maps."OR"(C_Set, D_Set),  -- Set (CD)
                         Ada.Strings.Inside,
                         Start,
                         Stop);

         if Start /= 5 and Stop /= 6 then
            Report.Failed("Incorrect result from Find_Token - 3");
         end if;


         -- Evaluate the Replace_Element procedure.

         -- Token_String = "ABCDEF"

         BS80.Replace_Element(Token_String, 3, BS80.Element(Token_String,4));

         -- Token_String = "ABDDEF"

         BS80.Replace_Element(Source => Token_String,
                              Index  => 2,
                              By     => BS80.Element(Token_String, 5));

         -- Token_String = "AEDDEF"

         BS80.Replace_Element(Token_String, 
                              1, 
                              BS80.Element(BS80.Tail(Token_String, 2), 2));

         -- Token_String = "FEDDEF"
         -- Evaluate this result.

         if BS80.Element(Token_String, BS80.To_String(Token_String)'First) /=
            BS80.Element(Token_String, BS80.To_String(Token_String)'Last)  or
            BS80.Count(Token_String, D_Set)                                /=
            BS80.Count(Token_String, E_Set)                                or
            BS80.Index_Non_Blank(BS80.Head(Token_String,6))                /=
            BS80.Index_Non_Blank(BS80.Tail(Token_String,6))                or
            BS80.Head(Token_String, 1)                                     /=
            BS80.Tail(Token_String, 1)
         then
            Report.Failed("Incorrect result from operations in combination");
         end if;

      end;

   exception
      when others => Report.Failed ("Exception raised in Test_Block");
   end Test_Block;


   Report.Result;

end CXA4007;

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