code: def test_small(self, itype):
      for a in range(max(np.iinfo(itype).min, 0), 128):
          msg = f"Smoke test for {itype}({a}).bit_count()"
          assert itype(a).bit_count() == bin(a).count("1"), msg
  
imports: import fractions
  import platform
  import types
  from typing import Any, Type
  import pytest
  import numpy
  from numpy.testing import assert_equal, assert_raises, IS_MUSL
label_desc: Use image node_id 1 for calling the TestBitCount obj's underlying member method code with example usage: obj.test_small(itype) without return types