def test_builtin_function(self):
if _PYPY2:
args, vararg = _utils._get_arg_lengths(max) # Built-in functions
self.assertEqual((args, vararg), (0, 1)) # only work in PyPy 2.
else:
with self.assertRaises(ValueError):
_utils._get_arg_lengths(max)
def test_varargs(self):
def userfunc(*args):
return True
args, vararg = _utils._get_arg_lengths(userfunc)
self.assertEqual((args, vararg), (0, 1))
def test_builtin_type(self):
with self.assertRaises(ValueError):
_utils._get_arg_lengths(int)
def test_positional_and_keyword(self):
def userfunc(a, b, c=True):
return True
args, vararg = _utils._get_arg_lengths(userfunc)
self.assertEqual((args, vararg), (3, 0))