def METHOD_NAME(self):
    data = pg.DataContainer()
    data['b'] = np.ones(2) * 3.14
    np.testing.assert_array_equal(data['b'], np.ones(2)*3.14)
    self.assertEqual(type(data['b']), type(pg.Vector()))
    data['b'][0] = 1.0
    self.assertEqual(data['b'][0], 1.0)
    data.registerSensorIndex('a')
    data['a'] = np.ones(2)
    np.testing.assert_array_equal(data['a'], np.ones(2))
    self.assertEqual(type(data['a']), type(np.array(1)))
    self.assertEqual(data['a'].dtype, 'int')
    data['a'][0] = 1.0 # will not work for sensorIndex until its changed in the datacontainer as IndexArray
    data['a'] = np.ones(2)*1.2
    np.testing.assert_array_equal(data['a'], np.ones(2))
    self.assertEqual(type(data['a']), type(np.array(1)))
    self.assertEqual(data['a'].dtype, 'int')