describe :array_length, shared: true do
  it "returns the number of elements" do
    [].send(@method).should == 0
    [1, 2, 3].send(@method).should == 3
  end

  it "properly handles recursive arrays" do
    ArraySpecs.empty_recursive_array.send(@method).should == 1
    ArraySpecs.recursive_array.send(@method).should == 8
  end
end