%!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

/consecutiveodds {
    2 dict begin
    /i 0 def
    /r false def
    {
        2 mod 1 eq {
            /i i 1 add def
            i 3 ge {
                /r true def
                exit
            } if
        } {
            /i 0 def
        } ifelse
    } forall
    r
    end
} bind def

(consecutiveodds) test.start
[1 5 3 6] consecutiveodds test
[2 6 3 5] consecutiveodds not test
[1 2 3 4] consecutiveodds not test
[2 3 5 7] consecutiveodds test
test.end