def test_traceback_getcrashentry(self):

       def i():

           __tracebackhide__ = True

           raise ValueError 

       def h():

           i()

       def g():

           __tracebackhide__ = True

           h()

       def f():

           g()

       excinfo = py.test.raises(ValueError, f)

       tb = excinfo.traceback

->     entry = tb.getcrashentry()

       co = py.code.Code(h)

       assert entry.frame.code.path == co.path

       assert entry.lineno == co.firstlineno + 1 

       assert entry.frame.code.name == 'h'

   def getcrashentry(self):

       """ return last non-hidden traceback entry that lead

           to the exception of a traceback. 

           """

->     tb = self.filter()

       if not tb:

           tb = self

       return tb[-1]

   def filter(self, fn=lambda x: not x.ishidden()):

       """ return a Traceback instance with certain items removed

               fn is a function that gets a single argument, a TracebackItem

               instance, and should return True when the item should be added

               to the Traceback, False when not

               by default this removes all the TracebackItems which are hidden

               (see ishidden() above)

           """

->     return Traceback(filter(fn, self))