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-- CXF3001.A

--

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--

-- OBJECTIVE:

--      Check that the edited output string value returned by Function Image

--      is correct.

--

-- TEST DESCRIPTION:

--      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.

--

--

-- CHANGE HISTORY:

--      24 Feb 95   SAIC    Initial prerelease version.

--      23 Jun 95   SAIC    Corrected call to functions Valid and To_Picture.

--      22 Aug 95   SAIC    Test name changed to CXF3001 (from CXF3301) to

--                          conform to naming conventions.

--      24 Feb 97   CTA.PWB Corrected picture strings and expected results.

--!

with Ada.Text_IO.Editing;

with Report;

procedure CXF3001 is

begin

   Report.Test ("CXF3001", "Check that the string value returned by " &

                           "Function Image is correct");

   Test_Block:

   declare

      use Ada.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;

      type String_Pointer_Type is access 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 Ed_Out is new Editing.Decimal_Output (Decimal_Data_Type);

      -- 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 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 String'(" $5,678.90"),

            2 => new String'(" $5,678.90"),

            3 => new String'(" 5678.90"),

            4 => new String'("  $5,678.90"),

            5 => new String'("-$6,789.01"),

            6 => new String'("-$6,789.01"),

            7 => new String'("-6789.01"),

            8 => new String'("- $6,789.01"),

            9 => new String'("     $0.00"),

           10 => new String'("          "),

           11 => new String'("        "),

           12 => new String'("   $ 000.00"),

           13 => new String'("     $0.20"),

           14 => new String'("      $.20"),

           15 => new String'("     .20"),

           16 => new String'("   $ 000.20"),

           17 => new String'("     $3.45"),

           18 => new String'("     $3.45"),

           19 => new String'("    3.45"),

           20 => new String'("   $ 003.45")

          );

      TC_Picture    : Editing.Picture;

      TC_Loop_Count : Natural := 0;

   begin

      -- Compare string result of Image with expected edited output 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);

               -- Compare actual edited output result of Function Image with

               -- the expected result.

               if 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");

               -- Immediate test failure if a string is invalid.

               exit Evaluate_Edited_Output;

            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 CXF3001;