%!PS

% begin included library code
% see https://github.com/Firedrake/postscript-libraries/
/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def

/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def

/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def


% end included library code

/compose {
    2 dict begin
    /f1 exch cvlit def
    /f2 exch cvlit def
    [ f1 aload pop f2 aload pop ] cvx
    end
} bind def

(compose) test.start

/f {
  1 add
} bind def

/g {
  2 mul
} bind def

/h { f } { g } compose bind def

1 1 10 {
  dup g f exch h eq test
} for
test.end