Natools

-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           --
------------------------------------------------------------------------------

with Natools.S_Expressions.Lockable.Tests;
with Natools.S_Expressions.Printers;
with Natools.S_Expressions.Test_Tools;

package body Natools.S_Expressions.Parsers.Tests is

   procedure Check_Parsing
     (Report : in out NT.Reporter'Class;

      Base64_Subexpression (Report);
      Special_Subexpression (Report);
      Nested_Subpexression (Report);
      Number_Prefixes (Report);
      Quoted_Escapes (Report);
      Parser_Interface (Report);
      Subparser_Interface (Report);
      Lockable_Interface (Report);
   end All_Tests;



   -----------------------
   -- Inidividual Tests --
   -----------------------

        (Name => "Base-64 subexpression",
         Source => To_Atom ("head({KDc6c3VibGlzdCk1OnRva2Vu})""tail"""),
         Expected => To_Atom ("4:head((7:sublist)5:token)4:tail"));
   begin
      Test (Report);
   end Base64_Subexpression;


   procedure Lockable_Interface (Report : in out NT.Reporter'Class) is
      Test : NT.Test := Report.Item ("Lockable.Descriptor interface");
   begin
      declare
         Input : aliased Test_Tools.Memory_Stream;
         Parser : aliased Parsers.Parser;
         Sub : Subparser (Parser'Access, Input'Access);
      begin
         Input.Set_Data (Lockable.Tests.Test_Expression);
         Test_Tools.Next_And_Check (Test, Sub, Events.Open_List, 1);
         Lockable.Tests.Test_Interface (Test, Sub);
      end;
   exception
      when Error : others => Test.Report_Exception (Error);
   end Lockable_Interface;


   procedure Nested_Subpexression (Report : in out NT.Reporter'Class) is
      procedure Test is new Blackbox_Test
        (Name => "Nested base-64 subepxressions",
         Source => To_Atom ("(5:begin"
           & "{KG5lc3RlZCB7S0dSbFpYQWdjR0Y1Ykc5aFpDaz19KQ==}"
           & "end)"),

         pragma Assert (Parser.Current_Event = Events.Open_List);
         Parser.Next_Event (Input'Access);
         pragma Assert (Parser.Current_Event = Events.Add_Atom
           and then Parser.Current_Atom = To_Atom ("command"));

         --  Use subparser as command arguments

         Test_Tools.Next_And_Check (Test, Sub, To_Atom ("arg1"), 0);
         Test_Tools.Next_And_Check (Test, Sub, Events.Open_List, 1);
         Test_Tools.Next_And_Check (Test, Sub, To_Atom ("subarg1"), 1);
         Test_Tools.Next_And_Check (Test, Sub, To_Atom ("subarg2"), 1);

         Sub.Finish;

         --  Check final state of parser

         if Parser.Current_Event /= Events.Close_List then
            Test.Fail ("Unexpected parser final state: "

              "Parser last atom");
         end if;

         --  Check subparser error states

         if Sub.Current_Event /= Events.End_Of_Input then
            Test.Fail ("Unexpected subparser final state: "
              & Events.Event'Image (Sub.Current_Event));
         end if;

         if Sub.Current_Level /= 0 then
            Test.Fail ("Unexpected subparser final level:"
              & Natural'Image (Sub.Current_Level));
         end if;

         begin
            declare
               Buffer : constant Atom := Sub.Current_Atom;
            begin
               Test.Fail
                 ("No exception raised in Current_Atom on finished subparser");
               Test_Tools.Dump_Atom (Test, Buffer);
            end;
            return;
         exception
            when Program_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Current_Atom");
         end;

         declare
            Buffer : Atom (1 .. 100);
            Length : Count := 0;
         begin
            Sub.Read_Atom (Buffer, Length);
            Test.Fail
              ("No exception raised in Read_Atom on finished subparser");
            Test_Tools.Dump_Atom (Test, Buffer (1 .. Length));
            return;
         exception
            when Program_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Read_Atom");
               Test_Tools.Dump_Atom (Test, Buffer (1 .. Length), "Buffer");
               return;
         end;

            Test.Fail
              ("No exception raised in Query_Atom on finished subparser");
            if Called then
               Test_Tools.Dump_Atom (Test, Output.Get_Data,
                 "Process called with");
            end if;
         exception
            when Program_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Query_Event");
               if Called then
                  Test_Tools.Dump_Atom (Test, Output.Get_Data,
                    "Process called with");
               end if;