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

ruby_version_is "1.9" do
  describe "NilClass#rationalize" do
    it "returns 0/1" do
      nil.rationalize.should == Rational(0, 1)
    end

    it "ignores a single argument" do
      nil.rationalize(0.1).should == Rational(0, 1)
    end

    it "raises ArgumentError when passed more than one argument" do
      lambda { nil.rationalize(0.1, 0.1) }.should raise_error(ArgumentError)
      lambda { nil.rationalize(0.1, 0.1, 2) }.should raise_error(ArgumentError)
    end
  end
end