new_contents: import unittest
  
  from cupy import core
  from cupy import testing
  
  
  @testing.gpu
  class TestArrayOwndata(unittest.TestCase):
  
      _multiprocess_can_split_ = True
  
      def setUp(self):
          self.a = core.ndarray(())
  
      def test_original_array(self):
          self.assertTrue(self.a.flags.owndata)
  
      def test_view_array(self):
          v = self.a.view()
          self.assertFalse(v.flags.owndata)
  
      def test_reshaped_array(self):
          r = self.a.reshape(())
          self.assertFalse(r.flags.owndata)
  
subject: Add test for OWNDATA flag