# File test/src/simple_parser_test.rb, line 121
  def testLookeaheadUsedInPlusCanBeUsedByNot
    parser = (char('a') >> str('abc') | char('a') >> str('bcd')).lookahead(2)
    # assertError('abc', '"abc" expected or "bcd" expected', parser, 1)

    assertError('abc', '"abc" expected', parser, 1)
    assertParser('abc', nil, parser.not)
  end