%!PS

% begin included library code
% see https://codeberg.org/Firedrake/postscript-libraries/
/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

/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


% end included library code

/arrangebinary {
    0 dict begin
    /t exch def
    /b exch def
    0 1 b length 1 sub {
        /i exch def
        b i get 0 eq
        i 0 eq {
            true
        } {
            b i 1 sub get 0 eq
        } ifelse
        i b length 1 sub eq {
            true
        } {
            b i 1 add get 0 eq
        } ifelse
        and and {
            b i 1 put
            /t t 1 sub def
            t 0 eq {
                exit
            } if
        } if
    } for
    t 0 eq
    end
} bind def

(arrangebinary) test.start
[1 0 0 0 1] 1 arrangebinary test
[1 0 0 0 1] 2 arrangebinary not test
test.end