require File.expand_path('../../../spec_helper', __FILE__)

ruby_version_is "1.9" do
  describe "Fixnum#succ" do
    it "returns the next larger positive Fixnum" do
      2.succ.should == 3
    end

    it "returns the next larger negative Fixnum" do
      (-2).succ.should == -1
    end

    it "overflows a Fixnum to a Bignum" do
      fixnum_max.succ.should == (fixnum_max + 1)
    end
  end
end