require_relative '../../../spec_helper' ruby_version_is ""..."3.0" do require 'set' describe "SortedSet#pretty_print_cycle" do it "passes the 'pretty print' representation of a self-referencing SortedSet to the pretty print writer" do pp = mock("PrettyPrint") pp.should_receive(:text).with("#") SortedSet[1, 2, 3].pretty_print_cycle(pp) end end end