require_relative '../../spec_helper' describe "Integer" do it "includes Comparable" do Integer.include?(Comparable).should == true end it "is the class of both small and large integers" do 42.class.should equal(Integer) bignum_value.class.should equal(Integer) end end describe "Integer#integer?" do it "returns true for Integers" do 0.should.integer? -1.should.integer? bignum_value.should.integer? end end