require File.expand_path('../../../spec_helper', __FILE__) require File.expand_path('../fixtures/classes.rb', __FILE__) require File.expand_path('../shared/succ.rb', __FILE__) describe "String#next" do it_behaves_like :string_succ, :next end describe "String#next!" do it_behaves_like :string_succ_bang, :"next!" end