# File lib/mocha/mock.rb, line 105 def expects(method_name_or_hash, backtrace = nil) iterator = ArgumentIterator.new(method_name_or_hash) iterator.each do |*args| method_name = args.shift ensure_method_not_already_defined(method_name) expectation = Expectation.new(self, method_name, backtrace) expectation.returns(args.shift) unless args.empty? @expectations.add(expectation) end end