code: def test_contiguous_arrays(self):
      for xp in (numpy, cupy):
          x = xp.arange(12)
          # shares memory
          assert xp.shares_memory(x[0:7], x[6:12]) is True
          # covers
          assert xp.shares_memory(x[1:10], x[4:6]) is True
          assert xp.shares_memory(x[4:6], x[1:10]) is True
          # detached
          assert xp.shares_memory(x[1:6], x[8:11]) is False
          # touch
          assert xp.shares_memory(x[1:10], x[7:10]) is True
          assert xp.shares_memory(x[1:7], x[7:10]) is False
  
imports: import numpy
  import unittest
  import cupy
  from cupy import testing
label_desc: Use image node_id 4 for calling the TestSharesMemory obj's underlying member method code with example usage: obj.test_contiguous_arrays() without return types