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-- CXF3002.A 
--
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--                                    DISCLAIMER
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
--     PARTICULAR PURPOSE OF SAID MATERIAL.
--*
--
-- OBJECTIVE:
--      Check that the functionality contained in package
--      Ada.Wide_Text_IO.Editing is available and produces correct results.
--
-- TEST DESCRIPTION:
--      This test is designed to validate the procedures and functions that
--      are found in package Ada.Wide_Text_IO.Editing, the "wide" 
--      complementary package to Ada.Text_IO.Editing.  The test is similar 
--      to CXF3301, which tested a large portion of the Ada.Text_IO.Editing
--      package.  Additional testing has been added here to cover the balance
--      of the Wide_Text_IO.Editing child package.

--      This test is structured using tables of data, consisting of
--      numerical values, picture strings, and expected image
--      result strings.  
--
--      Each picture string is checked for validity, and an invalid picture 
--      string will cause immediate test failure on its first pass through
--      the evaluation loop.  Inside the evaluation loop, each decimal data 
--      item is combined with each of the picture strings as parameters to a
--      call to Image, and the result of each call is compared to an 
--      expected edited output result string.
--
--      Note: Each of the functions Valid, To_Picture, and Pic_String has
--            String (rather than Wide_String) as its parameter or result
--            subtype, since a picture String is not localizable.
--      
--       
-- CHANGE HISTORY:
--      22 Jun 95   SAIC    Initial prerelease version.
--      22 Aug 95   SAIC    Test name changed to CXF3002 (from CXF3401) to 
--                          conform with naming conventions.
--      24 Feb 97   PWB.CTA Corrected picture strings and expected values.
--!

with Ada.Wide_Text_IO.Editing;
with Report;

procedure CXF3002 is
begin

   Report.Test ("CXF3002", "Check that the functionality contained " &
                           "in package Ada.Wide_Text_IO.Editing is " &
                           "available and produces correct results");

   Test_Block:
   declare

      use Ada.Wide_Text_IO;

      Number_Of_Decimal_Items    : constant := 5;
      Number_Of_Picture_Strings  : constant := 4;
      Number_Of_Expected_Results : constant := Number_Of_Decimal_Items *
                                               Number_Of_Picture_Strings;

      Def_Cur   : constant Wide_String    := "$";
      Def_Fill  : constant Wide_Character := '*';
      Def_Sep   : constant Wide_Character := Editing.Default_Separator;
      Def_Radix : constant Wide_Character := Editing.Default_Radix_Mark;

      type String_Pointer_Type      is access String;
      type Wide_String_Pointer_Type is access Wide_String;

      -- Define a decimal data type, and instantiate the Decimal_Output 
      -- generic package for the data type.

      type Decimal_Data_Type is delta 0.01 digits 16;

      package Wide_Ed_Out is 
        new Editing.Decimal_Output(Num                => Decimal_Data_Type,
                                   Default_Currency   => Def_Cur,
                                   Default_Fill       => Def_Fill,
                                   Default_Separator  => Def_Sep,
                                   Default_Radix_Mark => Def_Radix);

      -- Define types for the arrays of data that will hold the decimal data 
      -- values, picture strings, and expected edited output results.

      type Decimal_Data_Array_Type is 
        array (Integer range <>) of Decimal_Data_Type;

      type Picture_String_Array_Type is 
        array (Integer range <>) of String_Pointer_Type;

      type Edited_Output_Results_Array_Type is 
        array (Integer range <>) of Wide_String_Pointer_Type;

      -- Define the data arrays for this test.

      Decimal_Data : 
        Decimal_Data_Array_Type(1..Number_Of_Decimal_Items) :=
          ( 1 =>  5678.90,
            2 => -6789.01,
            3 =>     0.00,
            4 =>     0.20,
            5 =>     3.45
          );

      Picture_Strings : 
        Picture_String_Array_Type(1..Number_Of_Picture_Strings) :=
          ( 1 => new String'("-$$_$$9.99"),
            2 => new String'("-$$_$$$.$$"),
            3 => new String'("-ZZZZ.ZZ"),
            4 => new String'("-$$$_999.99")
          );


      Edited_Output :
        Edited_Output_Results_Array_Type(1..Number_Of_Expected_Results) := 
          ( 1 => new Wide_String'(" $5,678.90"),    
            2 => new Wide_String'(" $5,678.90"),    
            3 => new Wide_String'(" 5678.90"),     
            4 => new Wide_String'("  $5,678.90"),  

            5 => new Wide_String'("-$6,789.01"),
            6 => new Wide_String'("-$6,789.01"),
            7 => new Wide_String'("-6789.01"),
            8 => new Wide_String'("- $6,789.01"),

            9 => new Wide_String'("     $0.00"),
           10 => new Wide_String'("          "),    
           11 => new Wide_String'("        "),     
           12 => new Wide_String'("   $ 000.00"),  

           13 => new Wide_String'("     $0.20"),
           14 => new Wide_String'("      $.20"),    
           15 => new Wide_String'("     .20"),     
           16 => new Wide_String'("   $ 000.20"),

           17 => new Wide_String'("     $3.45"),
           18 => new Wide_String'("     $3.45"),
           19 => new Wide_String'("    3.45"),
           20 => new Wide_String'("   $ 003.45")
          );

      TC_Picture    : Editing.Picture;
      TC_Loop_Count : Natural := 0;

   begin

      -- Compare string result of Image with expected edited output wide 
      -- string.  

      Evaluate_Edited_Output:
      for i in 1..Number_Of_Decimal_Items loop
         for j in 1..Number_Of_Picture_Strings loop

            TC_Loop_Count := TC_Loop_Count + 1;

            -- Check on the validity of the picture strings prior to
            -- processing.

            if Editing.Valid(Picture_Strings(j).all) then

               -- Create the picture object from the picture string.
               TC_Picture := Editing.To_Picture(Picture_Strings(j).all);

               -- Check results of function Decimal_Output.Valid.
               if not Wide_Ed_Out.Valid(Decimal_Data(i), TC_Picture) then
                  Report.Failed("Incorrect result from function Valid "    &
                                "when examining the picture string that "  &
                                "was produced from string "                &
                                Integer'Image(j) & " in conjunction with " &
                                "decimal data item # " & Integer'Image(i));
               end if;

               -- Check results of function Editing.Pic_String.
               if Editing.Pic_String(TC_Picture) /= Picture_Strings(j).all then
                  Report.Failed("Incorrect result from To_Picture/"  &
                                "Pic_String conversion for picture " &
                                "string # " & Integer'Image(j));
               end if;

               -- Compare actual edited output result of Function Image with
               -- the expected result.

               if Wide_Ed_Out.Image(Decimal_Data(i), TC_Picture) /=
                  Edited_Output(TC_Loop_Count).all
               then
                  Report.Failed("Incorrect result from Function Image, " &
                                "when used with decimal data item # "    &
                                Integer'Image(i)                         &
                                " and picture string # "                  &
                                Integer'Image(j));
               end if;

            else
               Report.Failed("Picture String # " & Integer'Image(j) &
                             "reported as being invalid");
            end if;

         end loop;
      end loop Evaluate_Edited_Output;

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

   Report.Result;

end CXF3002;