method
should_not

should_not(matcher=nil, message=nil, &block)
public
receiver.should_not(matcher) => Passes unless matcher.matches?(receiver) receiver.should_not == expected => Passes unless (receiver == expected) receiver.should_not === expected => Passes unless (receiver === expected) receiver.should_not =~ regexp => Passes unless (receiver =~ regexp)
See Spec::Matchers for more information about matchers