require 'pathname' describe "Pathname#root?" do it "returns true for root directories" do Pathname.new('/').root?.should == true end it "returns false for empty string" do Pathname.new('').root?.should == false end it "returns false for a top level directory" do Pathname.new('/usr').root?.should == false end it "returns false for a top level with .. appended directory" do Pathname.new('/usr/..').root?.should == false end it "returns false for a directory below top level" do Pathname.new('/usr/local/bin/').root?.should == false end end