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-- CXB5002.A

--

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--*

--

-- OBJECTIVE:

--      Check that the Function To_Fortran with a Character parameter will

--      return the corresponding Fortran Character_Set value.

--

--      Check that the Function To_Ada with a Character_Set parameter will

--      return the corresponding Ada Character value.

--

--      Check that the Function To_Fortran with a String parameter will

--      return the corresponding Fortran_Character value.

--

--      Check that the Function To_Ada with a Fortran_Character parameter

--      will return the corresponding Ada String value.

--

-- TEST DESCRIPTION:

--      This test checks that the functions To_Fortran and To_Ada produce

--      the correct results, based on a variety of parameter input values.

--

--      In the first series of subtests, the results of the function

--      To_Fortran are compared against expected Character_Set type results.

--      In the second series of subtests, the results of the function To_Ada

--      are compared against expected String type results, and the length of

--      the String result is also verified against the Fortran_Character type

--      parameter.

--

--      This test uses Fixed, Bounded, and Unbounded_Strings in combination

--      with the functions under validation.

--

--      This test assumes that the following characters are all included

--      in the implementation defined type Interfaces.Fortran.Character_Set:

--      ' ', 'a'..'z', 'A'..'Z', '1'..'9', '-', '_', '$', '#', and '*'.

--

-- APPLICABILITY CRITERIA:

--      This test is applicable to all implementations that provide

--      package Interfaces.Fortran.  If an implementation provides

--      package Interfaces.Fortran, this test must compile, execute, and

--      report "PASSED".

--

--      This test does not apply to an implementation in which the Fortran

--      character set ranges are not contiguous (e.g., EBCDIC).

--

--

--

-- CHANGE HISTORY:

--      11 Mar 96   SAIC    Initial release for 2.1.

--      10 Jun 96   SAIC    Incorporated reviewer comments for ACVC 2.1.

--      27 Oct 96   SAIC    Incorporated reviewer comments.

--

--!

with Ada.Characters.Latin_1;

with Ada.Exceptions;

with Ada.Strings.Bounded;

with Ada.Strings.Unbounded;

with Ada.Unchecked_Conversion;

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

with Report;

procedure CXB5002 is

begin

   Report.Test ("CXB5002", "Check that functions To_Fortran and To_Ada " &

                           "produce correct results");

   Test_Block:

   declare

      package ACL renames Ada.Characters.Latin_1;

      package Bnd is new Ada.Strings.Bounded.Generic_Bounded_Length(10);

      package Unb renames Ada.Strings.Unbounded;

      use Bnd, Unb;

      use Interfaces.Fortran;

      use Ada.Exceptions;

      Null_Fortran_Character  : constant Fortran_Character := "";

      Fortran_Character_1     : Fortran_Character(1..1)    := " ";

      Fortran_Character_5     : Fortran_Character(1..5)    := "     ";

      Fortran_Character_10    : Fortran_Character(1..10)   := "          ";

      Fortran_Character_20    : Fortran_Character(1..20)   :=

                                  "                    ";

      TC_Fortran_Character_1  : Fortran_Character(1..1)    := "A";

      TC_Fortran_Character_5  : Fortran_Character(1..5)    := "ab*de";

      TC_Fortran_Character_10 : Fortran_Character(1..10)   := "$1a2b3C4D5";

      TC_Fortran_Character_20 : Fortran_Character(1..20)   :=

                                  "1234-ABCD_6789#fghij";

      Bnd_String              : Bnd.Bounded_String   :=

                                  Bnd.To_Bounded_String("          ");

      TC_Bnd_String           : Bounded_String       :=

                                  To_Bounded_String("$1a2b3C4D5");

      Unb_String              : Unb.Unbounded_String :=

                                  Unb.To_Unbounded_String("     ");

      TC_Unb_String           : Unbounded_String     :=

                                  To_Unbounded_String("ab*de");

      String_1                : String(1..1)    := " ";

      String_5                : String(1..5)    := "     ";

      String_10               : String(1..10)   := "          ";

      String_20               : String(1..20)   := "                    ";

      TC_String_1             : String(1..1)    := "A";

      TC_String_20            : String(1..20)   := "1234-ABCD_6789#fghij";

      Null_String             : constant String := "";

      Null_Character          : constant Character := ACL.Nul;

      Character_A             : constant Character := Character'Val(65);

      Character_Z             : constant Character := Character'Val(90);

      TC_Character            : Character          := Character'First;

      Null_Character_Set      : Character_Set      := To_Fortran(ACL.Nul);

      TC_Character_Set,

      TC_Low_Character_Set,

      TC_High_Character_Set   : Character_Set      := Character_Set'First;

      -- The following procedure checks the results of function To_Ada.

      procedure Check_Length (Str : in String;

                              Ftn : in Fortran_Character;

                              Num : in Natural) is

      begin

         if Str'Length /= Ftn'Length or

            Str'Length /= Num

         then

            Report.Failed("Incorrect result from Function To_Ada " &

                          "with string length " & Integer'Image(Num));

         end if;

      end Check_Length;

      -- To facilitate the conversion of Character-Character_Set data, the

      -- following functions have been instantiated.

      function Character_to_Character_Set is

        new Ada.Unchecked_Conversion(Character, Character_Set);

      function Character_Set_to_Character is

        new Ada.Unchecked_Conversion(Character_Set, Character);

   begin

      -- Check that the Function To_Fortran with a Character parameter

      -- will return the corresponding Fortran Character_Set value.

      for TC_Character in ACL.LC_A..ACL.LC_Z loop

         if To_Fortran(Item => TC_Character) /=

            Character_to_Character_Set(TC_Character)

         then

            Report.Failed("Incorrect result from To_Fortran with lower " &

                          "case alphabetic character input");

         end if;

      end loop;

      for TC_Character in Character_A..Character_Z loop

         if To_Fortran(TC_Character) /=

            Character_to_Character_Set(TC_Character)

         then

            Report.Failed("Incorrect result from To_Fortran with upper " &

                          "case alphabetic character input");

         end if;

      end loop;

      if To_Fortran(Null_Character) /=

         Character_to_Character_Set(Null_Character)

      then

         Report.Failed

           ("Incorrect result from To_Fortran with null character input");

      end if;

      -- Check that the Function To_Ada with a Character_Set parameter

      -- will return the corresponding Ada Character value.

      TC_Low_Character_Set  := Character_to_Character_Set('a');

      TC_High_Character_Set := Character_to_Character_Set('z');

      for TC_Character_Set in TC_Low_Character_Set..TC_High_Character_Set loop

         if To_Ada(Item => TC_Character_Set) /=

            Character_Set_to_Character(TC_Character_Set)

         then

            Report.Failed("Incorrect result from To_Ada with lower case " &

                          "alphabetic Character_Set input");

         end if;

      end loop;

      TC_Low_Character_Set  := Character_to_Character_Set('A');

      TC_High_Character_Set := Character_to_Character_Set('Z');

      for TC_Character_Set in TC_Low_Character_Set..TC_High_Character_Set loop

         if To_Ada(TC_Character_Set) /=

            Character_Set_to_Character(TC_Character_Set)

         then

            Report.Failed("Incorrect result from To_Ada with upper case " &

                          "alphabetic Character_Set input");

         end if;

      end loop;

      if To_Ada(Character_to_Character_Set(Null_Character)) /=

         Null_Character

      then

         Report.Failed("Incorrect result from To_Ada with a null " &

                       "Character_Set input");

      end if;

      -- Check that the Function To_Fortran with a String parameter

      -- will return the corresponding Fortran_Character value.

      -- Note: The type Fortran_Character is a character array type that

      --       corresponds to Ada type String.

      Fortran_Character_1 := To_Fortran(Item => TC_String_1);

      if Fortran_Character_1 /= TC_Fortran_Character_1 then

         Report.Failed("Incorrect result from procedure To_Fortran - 1");

      end if;

      Fortran_Character_5 := To_Fortran(To_String(TC_Unb_String));

      if Fortran_Character_5 /= TC_Fortran_Character_5 then

         Report.Failed("Incorrect result from procedure To_Fortran - 2");

      end if;

      Fortran_Character_10 := To_Fortran(To_String(TC_Bnd_String));

      if Fortran_Character_10 /= TC_Fortran_Character_10 then

         Report.Failed("Incorrect result from procedure To_Fortran - 3");

      end if;

      Fortran_Character_20 := To_Fortran(Item => TC_String_20);

      if Fortran_Character_20 /= TC_Fortran_Character_20 then

         Report.Failed("Incorrect result from procedure To_Fortran - 4");

      end if;

      if To_Fortran(Null_String) /= Null_Fortran_Character then

         Report.Failed("Incorrect result from procedure To_Fortran - 5");

      end if;

      -- Check that the Function To_Ada with a Fortran_Character parameter

      -- will return the corresponding Ada String value.

      String_1 := To_Ada(TC_Fortran_Character_1);

      if String_1 /= TC_String_1 then

         Report.Failed("Incorrect value returned from function To_Ada - 1");

      end if;

      Check_Length(To_Ada(TC_Fortran_Character_1),

                   TC_Fortran_Character_1,

                   Num => 1);

      Unb_String := Unb.To_Unbounded_String(To_Ada(TC_Fortran_Character_5));

      if Unb_String /= TC_Unb_String then

         Report.Failed("Incorrect value returned from function To_Ada - 2");

      end if;

      Check_Length(To_Ada(TC_Fortran_Character_5),

                   TC_Fortran_Character_5,

                   Num => 5);

      Bnd_String := Bnd.To_Bounded_String

                         (To_Ada(TC_Fortran_Character_10));

      if Bnd_String /= TC_Bnd_String then

         Report.Failed("Incorrect value returned from function To_Ada - 3");

      end if;

      Check_Length(To_Ada(TC_Fortran_Character_10),

                   TC_Fortran_Character_10,

                   Num => 10);

      String_20 := To_Ada(TC_Fortran_Character_20);

      if String_20 /= TC_String_20 then

         Report.Failed("Incorrect value returned from function To_Ada - 4");

      end if;

      Check_Length(To_Ada(TC_Fortran_Character_20),

                   TC_Fortran_Character_20,

                   Num => 20);

      if To_Ada(Null_Character_Set) /= Null_Character then

         Report.Failed("Incorrect value returned from function To_Ada - 5");

      end if;

      -- Check the two functions when used in combination.

      if To_Ada(Item => To_Fortran("This is a test")) /=

         "This is a test"                                or

         To_Ada(To_Fortran("1234567890abcdeFGHIJ"))   /=

         Report.Ident_Str("1234567890abcdeFGHIJ")

      then

         Report.Failed("Incorrect result returned when using the " &

                       "functions To_Ada and To_Fortran in combination");

      end if;

   exception

      when The_Error : others =>

         Report.Failed("The following exception was raised in the " &

                       "Test_Block: " & Exception_Name(The_Error));

   end Test_Block;

   Report.Result;

end CXB5002;