require_relative '../../spec_helper' require 'set' describe "Set#each" do before :each do @set = Set[1, 2, 3] end it "yields each Object in self" do ret = [] @set.each { |x| ret << x } ret.sort.should == [1, 2, 3] end it "returns self" do @set.each { |x| x }.should equal(@set) end it "returns an Enumerator when not passed a block" do enum = @set.each enum.should be_an_instance_of(Enumerator) ret = [] enum.each { |x| ret << x } ret.sort.should == [1, 2, 3] end end