def test_get_time_array(self):
"""
Should return an array of time values for a single trace.
"""
fig = plt.figure()
ax = fig.add_subplot(111)
splt = SEGYPlotManager(ax, self.segy)
tr = self.segy.traces[0]
# should have npts values
npts = splt.get_header_value(tr.header, 'npts')
t = splt.get_time_array(tr.header)
self.assertEqual(npts, len(t))
