# File test/test_model.rb, line 77
  def test_delete()
    model = Model.new
    dom = BNode.new('dom')
    kris = BNode.new('kris')
    model.add(dom,@foaf['firstName'],'Dominic')
    model.add(dom,@foaf['surname'],'Sisneros')
    model.add_statement Statement.new(kris,@foaf['firstName'],"Kris")
    model.add_statement Statement.new(kris,@foaf['phone'],"192-192-192")
    assert_equal(4,model.size)
    to_delete =model.find(dom,nil,nil) # delete all dom nodes
    to_delete.each{|st| model.delete_statement(st)}
    assert_equal(2,model.size)
    assert_equal(0, model.find(dom,nil,nil).size)
    assert_equal(2, model.find(kris,nil,nil).size)
  end