require 'set'

describe "Set#initialize_copy" do
  before(:each) do
    @set = Set[1, 2, 3]
  end

  it "is private" do
    Set.should have_private_instance_method(:initialize_copy)
  end

  it "replaces all elements of self with the elements of the passed Set" do
    other = Set["1", "2", "3"]
    @set.send(:initialize_copy, other)
    @set.should == Set["1", "2", "3"]
  end
end
