def METHOD_NAME(self):
    # we'll use a sine wave time series to do the testing, with the
    # the segment length such that an interger number of cycles fit, so
    # we don't have to worry about boundary effects
    self.freq = 128
    self.sample_rate = 4096
    self.seglen = 1
    ncycles = self.freq * self.seglen
    t = numpy.linspace(0, ncycles*2*numpy.pi,
                       num=self.sample_rate*self.seglen,
                       endpoint=False)
    self.time_series = TimeSeries(t, delta_t=1./self.sample_rate, epoch=0)
    self.tdsinx = numpy.sin(self.time_series)
    self.fdsinx = self.tdsinx.to_frequencyseries()