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with

    Ada.Text_IO,
    Ada.Command_Line,
    Ada.Characters.Latin_1,
    Unit_Tests,
    Packrat.Errors,
    Packrat.Tokens,
    Rat_Tests.Errors,
    Rat_Tests.Tokens,
    Rat_Tests.Lexers,
    Rat_Tests.Utilities,
    Rat_Tests.Parse_Graphs;

use

    Ada.Text_IO,
    Unit_Tests;


procedure Test_Main is


    package Latin renames Ada.Characters.Latin_1;


    Help_String : String :=
        "Runs unit tests on the Packrat parser combinator library." & Latin.LF &
        "Usage: rattest [switches]" & Latin.LF &
        Latin.LF &
        "Valid switches:" & Latin.LF &
        "--help" & Latin.HT & Latin.HT & "Shows this information" & Latin.LF &
        "--verbose" & Latin.HT & "Enables extra verbosity" & Latin.LF &
        Latin.LF &
        "All other command line input will be ignored.";


    How_Verbose : Unit_Tests.Verbosity := Weak;


    type My_Labels is (A, B, C);
    package My_Tokens is new Packrat.Tokens (My_Labels, Character, String);

    Err : Packrat.Errors.Error_Message := Packrat.Errors.Encode ("A", 1);
    Tok : My_Tokens.Token := My_Tokens.Create (A, 1, "abc");


begin


    for N in 1 .. Ada.Command_Line.Argument_Count loop
        if Ada.Command_Line.Argument (N) = "--help" then
            Put_Line (Help_String);
            return;
        end if;
    end loop;

    for N in 1 .. Ada.Command_Line.Argument_Count loop
        if Ada.Command_Line.Argument (N) = "--verbose" then
            How_Verbose := Strong;
            exit;
        end if;
    end loop;


    Put_Line ("Running tests for Packrat.Errors...");
    Run_Tests (Rat_Tests.Errors.Tests, How_Verbose);
    New_Line;
    Put_Line ("Displaying Error_Message debug string output example:");
    Put (Packrat.Errors.Debug_String (Err));
    New_Line;

    Put_Line ("Running tests for Packrat.Tokens...");
    Run_Tests (Rat_Tests.Tokens.Tests, How_Verbose);
    New_Line;
    Put_Line ("Displaying Token debug string output example:");
    Put (My_Tokens.Debug_String (Tok));
    New_Line;

    Put_Line ("Running tests for Packrat.Lexers combinators...");
    Run_Tests (Rat_Tests.Lexers.Combinator_Tests, How_Verbose);
    New_Line;

    Put_Line ("Running tests for Packrat.Lexers lexing...");
    Run_Tests (Rat_Tests.Lexers.Lexer_Tests, How_Verbose);
    New_Line;

    Put_Line ("Running tests for Packrat.Utilities...");
    Put_Line ("Testing set predicates...");
    Run_Tests (Rat_Tests.Utilities.Set_Predicate_Tests, How_Verbose);
    Put_Line ("Testing ordinary predicates...");
    Run_Tests (Rat_Tests.Utilities.Predicate_Tests, How_Verbose);
    New_Line;

    Put_Line ("Running tests for Packrat.Parse_Graphs...");
    Run_Tests (Rat_Tests.Parse_Graphs.Tests, How_Verbose);
    New_Line;
    Put_Line ("Displaying Parse_Graph debug string output example:");
    Put (Rat_Tests.Parse_Graphs.Debug_String_Check);


end Test_Main;