# frozen_string_literal: true require 'spec_helper' describe Array do describe "unwrap" do it "to array" do arr = [1, 2, 3] expect(arr.unwrap).to eq(arr) end it "to integer" do arr = [1] expect(arr.unwrap).to eq(1) end it "to nil" do arr = [] expect(arr.unwrap).to be_nil end end end