From: Joe Van Dyk <joevandyk@...>
Date: 2005-08-27T06:30:20+09:00
Subject: stringio as file

StringIO can be used as a standin for a File object when testing, right?

require 'stringio'

def expects_file file
  file.open
  puts file.gets
end

s = StringIO.new "Hello World\nHow are you?"
expects_file s

What don't I understand here?