def test_getZeroCrossingTimes():
# Set up a simple triangle wave with 2.5 cycles
y = np.array([-1., 1., -1., 1., -1., 1.])
t = np.arange(len(y))
Fs = 1. / np.mean(np.diff(t))
xtimes = t[:-1] + (0.5 * np.diff(t))
zc = ZeroCrossing(y, Fs, t0=t[0])
np.testing.assert_allclose(xtimes, zc.getZeroCrossingTimes())
