require_relative '../../spec_helper' require_relative 'fixtures/classes' describe "Array#frozen?" do it "returns true if array is frozen" do a = [1, 2, 3] a.frozen?.should == false a.freeze a.frozen?.should == true end it "returns false for an array being sorted by #sort" do a = [1, 2, 3] a.sort { |x,y| a.frozen?.should == false; x <=> y } end end