# File test/test_node.rb, line 19
  def test_bnode()
    node = Node.new(:blank=>'dom')
    assert(node.blank?)
    assert_equal('dom',node.blank_identifier)
    assert_equal(node,BNode.new('dom'))
    node2 = BNode.new('dom2')
    assert_equal('dom2',node2.blank_identifier)
    assert(node2.blank?)
    node3 = BNode.new()
    node4 = BNode.new()
    assert(node3.blank?)
    assert(node4.blank?)
    assert_not_equal(node3,node4)
    
  end