code: def test_triangular_size(n: int, expected: int) -> None:
      actual = triangular_size(tf.constant(n))
      assert actual.dtype.is_integer
      assert expected == actual
  
file_path: GPflow/tests/gpflow/utilities/test_bijectors.py
imports: from typing import Optional, Type
  import numpy
  import pytest
  import tensorflow
  import tensorflow_probability
  from gpflow.config import Config, as_context
  from gpflow.utilities import positive, triangular, triangular_size
label_desc: Use image node_id 5 for calling a global function with example usage: test_triangular_size(n, expected) without return types