code: def test_binary_array_types() -> None:
      assert len(bus.BINARY_ARRAY_TYPES) == 9
      dtypes = [
          np.dtype(np.bool_),
          np.dtype(np.uint8),
          np.dtype(np.int8),
          np.dtype(np.uint16),
          np.dtype(np.int16),
          np.dtype(np.uint32),
          np.dtype(np.int32),
          # np.dtype(np.uint64),
          # np.dtype(np.int64),
          np.dtype(np.float32),
          np.dtype(np.float64),
      ]
      for dtype in dtypes:
          assert dtype in bus.BINARY_ARRAY_TYPES
  
imports: from __future__ import annotations
  import pytest
  import datetime
  from math import inf, nan
  import numpy
  import pandas
  import pytz
  from tests.support.util.env import envset
  import bokeh.util.serialization
label_desc: Use image node_id 4 for calling a global function with example usage: test_binary_array_types() without return types