require_relative '../../spec_helper' describe "MatchData#dup" do it "duplicates the match data" do original = /ll/.match("hello") original.instance_variable_set(:@custom_ivar, 42) duplicate = original.dup duplicate.instance_variable_get(:@custom_ivar).should == 42 original.regexp.should == duplicate.regexp original.string.should == duplicate.string original.offset(0).should == duplicate.offset(0) end end