# File test/src/expression_test.rb, line 80
  def testInfixl
    parser = whitespace.many_ >> int.infixl(minus) << eof
    assertParser(' 1-2 -3 ', -4, parser)
    assertParser('1 - 2 ', -1, parser)
    assertParser('1  ', 1, parser)
    assertError('1-2-3-', 'integer expected', parser, 6)
  end