def test_segment_simple():
x = np.arange(6)
segs = list(copper.segment(x, 2))
assert_equal(segs[0], np.array([[0, 1]]))
assert_equal(segs[1], np.array([[2, 3]]))
assert len(segs) == 3
def test_segment_overlap():
x = np.random.randn(100)
segs = list(copper.segment(x, 10, overlap=5))
assert_equal(segs[0][:, -5:], segs[1][:, :5])