# File test/src/simple_parser_test.rb, line 245
  def testOptional
    assertParser('abc', nil, char(?,).optional)
    assertParser('abc', 'xyz', char(?,).optional('xyz'))
    assertError('abc', "'.' expected", (any.some_(2) >> char(?.)).optional, 2)
    # assertParser('abc', nil, (any.some_(2) >> char(?.)).optional)

  end