code: def test_shared_constructor_copies(self):
      # shared constructor makes copy
      # (rule #2)
      orig_a = np.zeros((2, 2))
      A = self.shared(orig_a)
      assert not np.may_share_memory(orig_a, data_of(A))
  
      # rule #2 reading back from pytensor-managed memory
      assert not np.may_share_memory(
          A.get_value(borrow=False), data_of(A)
      )
  
imports: import numpy
  import pytest
  import pytensor.tensor
  from pytensor.compile import UnusedInputError, get_mode
  from pytensor.compile.function import function, pfunc
  from pytensor.compile.function.pfunc import rebuild_collect_shared
  from pytensor.compile.io import In
  from pytensor.compile.sharedvalue import shared
  from pytensor.configdefaults import config
  from pytensor.graph.utils import MissingInputError
  from pytensor.misc.safe_asarray import _asarray
  from pytensor.tensor.math import sum
  from pytensor.tensor.type import bscalar, bvector, dmatrices, dmatrix, dscalar, dvector, fscalar, fvector, imatrix, iscalar, ivector, ivectors, lscalar, wvector
  from pytensor.utils import PYTHON_INT_BITWIDTH
label_desc: Use image node_id 2 for calling the TestAliasingRules obj's underlying member method code with example usage: obj.test_shared_constructor_copies() without return types