def test_unused_name(self):
        self.assertEqual(self.preview.unused_name('field1'), 'field1__')
Process the given C{APIDoc}'s docstring.  In particular, populate
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.3/django/contrib/formtools/tests/__init__.py/PreviewTests.test_unused_name--crossover with--dataset/ETHPy150Open ardekantur/pyglet/tools/epydoc/epydoc/docstringparser.py/parse_docstring