import python_objs


def lentest():
  assert python_objs.seq_len([1, 2]) == 2
  assert python_objs.seq_len((1, 2)) == 2
  assert python_objs.seq_len("fooo") == 4
  try:
    python_objs.seq_len(1)
  except TypeError:
    pass
  except Exception:
    assert 0, 'wrong exception type'
  else:
    assert 0, 'no exception'


def sumtest():
  assert python_objs.sum_first2([1, 2]) == 3
  assert python_objs.sum_first2((1, 3)) == 4
  try:
    python_objs.sum_first2((1., 3.))
  except TypeError:
    pass
  except Exception:
    assert 0, 'wrong exception type'
  else:
    assert 0, 'no exception'
  try:
    python_objs.sum_first2('foo')
  except TypeError:
    pass
  except Exception:
    assert 0, 'wrong exception type'
  else:
    assert 0, 'no exception'
  try:
    python_objs.sum_first2(1)
  except TypeError:
    pass
  except Exception:
    assert 0, 'wrong exception type'
  else:
    assert 0, 'no exception'


lentest()
sumtest()