# encoding: utf-8 require 'spec_helper' [:variance, :var].each do |method| describe Aggregate::Variance::Methods, "##{method}" do subject { object.send(method) } let(:described_class) { Class.new { include Aggregate::Variance::Methods } } let(:object) { described_class.new.freeze } it { should be_instance_of(Aggregate::Variance) } its(:operand) { should be(object) } end end