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from dlib import range, ranges, rangess
try:
import cPickle as pickle # Use cPickle on Python 2.7
except ImportError:
import pickle
from pytest import raises
def test_range():
r = range(0, 10)
assert r.begin == 0
assert r.end == 10
assert str(r) == "0, 10"
assert repr(r) == "dlib.range(0, 10)"
assert len(r) == 10
ser = pickle.dumps(r, 2)
deser = pickle.loads(ser)
for a, b in zip(r, deser):
assert a == b
# TODO: make this init parameterization an exception?
def test_range_wrong_order():
r = range(5, 0)
assert r.begin == 5
assert r.end == 0
assert str(r) == "5, 0"
assert repr(r) == "dlib.range(5, 0)"
assert len(r) == 0
def test_range_with_negative_elements():
with raises(TypeError):
range(-1, 1)
with raises(TypeError):
range(1, -1)
def test_ranges():
rs = ranges()
assert len(rs) == 0
rs.resize(5)
assert len(rs) == 5
for r in rs:
assert r.begin == 0
assert r.end == 0
rs.clear()
assert len(rs) == 0
rs.extend([range(1, 2), range(3, 4)])
assert rs[0].begin == 1
assert rs[0].end == 2
assert rs[1].begin == 3
assert rs[1].end == 4
ser = pickle.dumps(rs, 2)
deser = pickle.loads(ser)
assert rs == deser
def test_rangess():
rss = rangess()
assert len(rss) == 0
rss.resize(5)
assert len(rss) == 5
for rs in rss:
assert len(rs) == 0
rss.clear()
assert len(rss) == 0
rs1 = ranges()
rs1.append(range(1, 2))
rs1.append(range(3, 4))
rs2 = ranges()
rs2.append(range(5, 6))
rs2.append(range(7, 8))
rss.extend([rs1, rs2])
assert rss[0][0].begin == 1
assert rss[0][1].begin == 3
assert rss[1][0].begin == 5
assert rss[1][1].begin == 7
assert rss[0][0].end == 2
assert rss[0][1].end == 4
assert rss[1][0].end == 6
assert rss[1][1].end == 8
ser = pickle.dumps(rss, 2)
deser = pickle.loads(ser)
assert rss == deser
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