code: def testRoots(self, dtype, length, leading, trailing):
      rng = jtu.rand_some_zero(self.rng())
  
      def args_maker():
          p = rng((length,), dtype)
          return [
              jnp.concatenate(
                  [
                      jnp.zeros(leading, p.dtype),
                      p,
                      jnp.zeros(trailing, p.dtype),
                  ]
              )
          ]
  
      jnp_fun = jnp.roots
  
      def np_fun(arg):
          return np.roots(arg).astype(
              dtypes.to_complex_dtype(arg.dtype)
          )
  
      # Note: outputs have no defined order, so we need to use a special comparator.
      args = args_maker()
      np_roots = np_fun(*args)
      jnp_roots = jnp_fun(*args)
      self.assertSetsAllClose(np_roots, jnp_roots)
  
file_path: jax/tests/polynomial_test.py
imports: from functools import partial
  import numpy
  from scipy.sparse import csgraph, csr_matrix
  from absl.testing import absltest
  from jax._src import dtypes
  from jax import numpy
  from jax._src import test_util
  from jax import config
label_desc: Use image node_id 2 for calling the TestPolynomial obj's underlying member method code with example usage: obj.testRoots(dtype, length, leading, trailing) and returns: list, np