code: def test_poly1d_misc(self, type_code: str) -> None:
      dtype = np.dtype(type_code)
      ar = np.array([1, 2, 3], dtype=dtype)
      p = np.poly1d(ar)
  
      # `__eq__`
      assert_equal(np.asarray(p), ar)
      assert_equal(np.asarray(p).dtype, dtype)
      assert_equal(len(p), 2)
  
      # `__getitem__`
      comparison_dct = {-1: 0, 0: 3, 1: 2, 2: 1, 3: 0}
      for index, ref in comparison_dct.items():
          scalar = p[index]
          assert_equal(scalar, ref)
          if dtype == np.object_:
              assert isinstance(scalar, int)
          else:
              assert_equal(scalar.dtype, dtype)
  
imports: import numpy
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_almost_equal, assert_array_almost_equal, assert_raises, assert_allclose
  import pytest
label_desc: Use image node_id 4 for calling the TestPolynomial obj's underlying member method code with example usage: obj.test_poly1d_misc(type_code) without return types