def METHOD_NAME(self):
    # Constant modulus signal so no adjustments
    const = digital.constellation_qpsk()
    src_data = const.points() * 1000
    alg = digital.adaptive_algorithm_cma(const, .001, 4).base()
    N = 100  # settling time
    expected_data = src_data[N:]
    result = self.transform(src_data, const, alg)[N:]
    N = -500
    self.assertComplexTuplesAlmostEqual(expected_data[N:], result[N:], 5)