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require File.expand_path('../../../spec_helper', __FILE__)
describe "Integer" do
it "includes Comparable" do
Integer.include?(Comparable).should == true
end
ruby_version_is "2.4" do
it "is the class of both small and large integers" do
42.class.should equal(Integer)
bignum_value.class.should equal(Integer)
end
end
end
describe "Integer#integer?" do
it "returns true for Integers" do
0.integer?.should == true
-1.integer?.should == true
bignum_value.integer?.should == true
end
end
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