def test_span_roi(self):
s = self.s
srx = roi.SpanROI(left=1.5, right=10)
sry = roi.SpanROI(left=-1000, right=2)
assert_array_equal(s.inav[srx, :].data, s.inav[1.5:10., ].data)
assert_array_equal(s.inav[srx, sry].data, s.inav[1.5:10.,
-1000.:2.].data)
def test_signal_range_from_roi():
sr = roi.SpanROI(20, 50)
left, right = signal_range_from_roi(sr)
assert left == 20
assert right == 50
left, right = signal_range_from_roi((20, 50))
assert left == 20
assert right == 50