code: def test_masked_binary_operations2(self):
      # Tests domained_masked_binary_operation
      (x, mx) = self.data
      xmx = masked_array(mx.data.__array__(), mask=mx.mask)
      assert_(isinstance(divide(mx, mx), msubarray))
      assert_(isinstance(divide(mx, x), msubarray))
      assert_equal(divide(mx, mx), divide(xmx, xmx))
  
imports: import numpy
  from numpy.lib.mixins import NDArrayOperatorsMixin
  from numpy.testing import assert_, assert_raises
  from numpy.ma.testutils import assert_equal
  from numpy.ma.core import array, arange, masked, MaskedArray, masked_array, log, add, hypot, divide, asarray, asanyarray, nomask
label_desc: Use image node_id 6 for calling the TestSubclassing obj's underlying member method code with example usage: obj.test_masked_binary_operations2() without return types