# File test/src/expression_test.rb, line 66
  def testPostfix
    parser = whitespace.many_ >> int.postfix(increment) << eof
    assertParser(' 3++ ++', 5, parser)
    assertParser('3++++ ', 5, parser)
    assertParser(' 3', 3, parser)
    assertError(' ++', 'integer expected', parser, 1)
    assertError('5++ 3', 'EOF expected', parser, 4)
  end