  def test_recursive_tf_function_call_each_other(self):

    @def_function.function
    def recursive_fn1(n):
      if n <= 1:
        return 1
      return recursive_fn2(n - 1)

    @def_function.function
    def recursive_fn2(n):
      if n <= 1:
        return 2
      return recursive_fn1(n - 1)

    self.assertEqual(recursive_fn1(5).numpy(), 1)
    self.assertEqual(recursive_fn1(6).numpy(), 2)
    self.assertEqual(recursive_fn2(5).numpy(), 2)
    self.assertEqual(recursive_fn2(6).numpy(), 1)
The software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.