class_docstr: Tests for Numpy indexing translation rules.
class_docstr_tok: ["Tests","for","Numpy","indexing","translation","rules","."]
code: def testBooleanIndexingWithEmptyResult(self):
      # based on a TensorFlow Probability test that started failing after #1623
      x = jnp.array([-1])
      mask = jnp.array([False])
      ans = x[mask]  # doesn't crash
  
      expected = onp.array([-1])[onp.array([False])]
      self.assertAllClose(ans, expected, check_dtypes=False)
  
imports: import collections
  import enum
  from functools import partial
  import itertools
  import unittest
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  import trax.tf_numpy.extensions
  import trax.tf_numpy.numpy
  from trax.tf_numpy.jax_tests.config import config
  import trax.tf_numpy.jax_tests.test_util
label_desc: Use image node_id 17 for calling the IndexingTest obj's underlying member method code with example usage: obj.testBooleanIndexingWithEmptyResult() without return types