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

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

  describe "REXML::Element#namespace" do
    before :each do
      @doc = REXML::Document.new("<a xmlns='1' xmlns:y='2'><b/><c xmlns:z='3'/></a>")
      @elem = @doc.elements["//b"]
    end

    it "returns the default namespace" do
      @elem.namespace.should == "1"
    end

    it "accepts a namespace prefix" do
      @elem.namespace("y").should == "2"
      @doc.elements["//c"].namespace("z").should == "3"
    end

    it "returns an empty String if default namespace is not defined" do
      e = REXML::Document.new("<a/>")
      e.root.namespace.should be_empty
    end

    it "returns nil if namespace is not defined" do
      @elem.namespace("z").should be_nil
    end
  end
end