require_relative '../../../spec_helper'

ruby_version_is ''...'3.0' do
  require 'rexml/document'

  describe "REXML::Element#add_namespace" do
    before :each do
      @elem = REXML::Element.new("person")
    end

    it "adds a namespace to element" do
      @elem.add_namespace("foo", "bar")
      @elem.namespace("foo").should == "bar"
    end

    it "accepts a prefix string as prefix" do
      @elem.add_namespace("xmlns:foo", "bar")
      @elem.namespace("foo").should == "bar"
    end

    it "uses prefix as URI if uri is nil" do
      @elem.add_namespace("some_uri", nil)
      @elem.namespace.should == "some_uri"
    end
  end
end