def test_property(self):
     self.matrix = MatrixCuda.identity(3)
     new = MatrixCuda()
     new.value = self.matrix.value
     self.assertEqual(new.size(), self.matrix.size())
     self.matrix.value = [[1, 2, 3], [4, 5, 6]]
     np.testing.assert_equal(self.matrix.value, [[1, 2, 3], [4, 5, 6]])
     np.testing.assert_equal(self.matrix.size(), (2, 3))