def test_repr_source():

       source = py.code.Source("""

       def f(x):

           pass

->     """).strip()

       config = newconfig()

       s = StringIO()

       out = getout(s)

       p = Presenter(out, config)

       p.repr_source(source, "|", 0)

       lines = s.getvalue().split("\n")

       assert len(lines) == 3

       assert lines[0].startswith("|")

       assert lines[0].find("def f(x)") != -1

       assert lines[1].find("pass") != -1