describe :complex_real, :shared => true do
  it "returns the real part of self" do
    Complex(1, 0).real.should == 1
    Complex(2, 1).real.should == 2
    Complex(6.7, 8.9).real.should == 6.7
    Complex(bignum_value, 3).real.should == bignum_value
  end
end