source: doc/theses/jiada_liang_MMath/test.adb @ 38f6e66

with Ada.Text_IO; use Ada.Text_IO;
-- with Ada.Standard; use Ada.Standard;
procedure test is
        type GBR is (  Green, Blue, Red );
        type RGB is ( Red, Green, Blue );
        for RGB use ( Red => 10, Green => 20, Blue => 21 );
        Colour : RGB := Red;
        
        type ABC is ('A', 'B', 'C');
        Chars : ABC := 'C';
        
        type Operator is ( '+', '-', '*', '/' );
        for Operator use ( '+' => 10, '-' => 20, '*' => 30, '/' => 40 );
        op : Operator := '+';
        Ops : array( 0..3) of Operator;
        
        type Week is ( Mon, Tue, Wed, Thu, Fri, Sat, Sun );
        for Week use ( Mon => 0, Tue => 1, Wed => 2, Thu => 10, Fri => 11, Sat => 14, Sun => 15 );
        subtype Weekday is Week range Mon .. Fri;
        subtype Weekend is Week range Sat .. Sun;
        Day : Week;
        Lunch : array( Week ) of Integer;
        
--   type Boolean is ( False, True );
        B : Boolean := True;
begin
        Put_Line( Integer'Image( RGB'Pos( Colour ) ) & " " & RGB'Image( RGB'Val(0) ) );
        Put_Line( Integer'Image( RGB'Enum_Rep( Colour ) ) & " " & RGB'Image( RGB'Enum_Val( 10 ) ) );
        Put_Line( """" & RGB'Image( Colour ) & """ " & RGB'Image( RGB'Value( "Red" ) ) );

        
        Put_Line( RGB'Image( Colour ) & Integer'Image( RGB'Pos( Colour ) ) & Integer'Image( RGB'Enum_Rep( Colour ) ) );
        Put_Line( RGB'Image( Colour ) & Integer'Image( RGB'Pos( Colour ) ) & Integer'Image( RGB'Enum_Rep( Colour ) ) );
        
        for op in RGB loop
                Put( "(" & Integer'Image( RGB'Pos( op ) ) & Integer'Image( RGB'Enum_Rep( op ) ) & ' ' & RGB'Image( op ) & ") " );
        end loop;
        Put_Line( "" );

        Put_Line( ABC'Image( Chars ) );
        Put_Line( Integer'Image( ABC'Pos( Chars ) ) );
        
        Op := '+';
        if Op = '+' or else Op = '-' then null;
        elsif Op = '*' or else Op = '/' then null; end if;
        
        case Op is
                when '+' => null;
                when '-' => null;
                when '*' => null;
--      when '/' => null;
                when others => null;
        end case;
        for op in Operator loop
                Put( "(" & Integer'Image( Operator'Pos( op ) ) & Integer'Image( Operator'Enum_Rep( op ) ) & ' ' & Operator'Image( op ) & ") " );
        end loop;
        Put_Line( "" );
        
        Ops := "+-*/";
        Ops := "+-" & "*/";
        for Op of Ops loop
                Put_Line( Operator'Image( Op ) );
        end loop;
        Day := Wed;
        case Day is
                when Mon .. Fri => null;
                when Sat .. Sun => null;
        end case;
        case Day is
                when Weekday => null;
                when Weekend => null;
        end case;
        for Day in Mon .. Sun loop
                Put( Week'Image( Day ) & " " );
        end loop;
        Put_Line( "" );
        for Day in Week loop
                Put( Week'Image( Day ) & " " );
        end loop;
        Put_Line( "" );
        for Day in Weekday loop
                Put( Week'Image( Day ) & " " );
        end loop;
        Put_Line( "" );
        for Day in Weekend loop
                Put( Week'Image( Day ) & " " );
        end loop;
        Put_Line( "" );
        
        for Day in Week loop
                Lunch( Day ) := 3;
        end loop;
        for Day in Week loop
                Put( Integer'Image( Lunch(Day ) ) & " " );
        end loop;
        
        if B then null; end if;

        B := False;
        Colour := Green;

        Put_Line ( Boolean'Image( B ) & " " );
        Put_Line ( RGB'Image( RGB'Enum_Val( 10 ) ) & " " );
end test;

-- Local Variables: --
-- tab-width: 4 --
-- compile-command: "gnatmake test.adb" --
-- End: --