require_relative '../../spec_helper' ruby_version_is ""..."3.1" do require 'matrix' describe "Matrix#hash" do it "returns an Integer" do Matrix[ [1,2] ].hash.should be_an_instance_of(Integer) end it "returns the same value for the same matrix" do data = [ [40,5], [2,7] ] Matrix[ *data ].hash.should == Matrix[ *data ].hash end end end