# encoding: utf-8 require 'spec_helper' describe Mutant::Mutator::Node::Dstr, 'dstr' do let(:source) { '"foo#{bar}baz"' } let(:mutations) do mutations = [] mutations << '"#{nil}#{bar}baz"' mutations << '"foo#{bar}#{nil}"' mutations << '"foo#{nil}baz"' mutations << 'nil' end it_should_behave_like 'a mutator' end