code: def test_negative_strides(self):
      for xp in (numpy, cupy):
          a = xp.zeros((3, 3))
          assert xp.may_share_memory(a[:2, 1::-1], a[1:, 1:]) is True
  
imports: import numpy
  import unittest
  import cupy
  from cupy import testing
label_desc: Use image node_id 8 for calling the TestMayShareMemory obj's underlying member method code with example usage: obj.test_negative_strides() without return types