am 6458fd96: Merge "rangelib.py: Fix the bug in monotonic check."

* commit '6458fd96d5d0cd3b54a02a5f9c276f49e566cb53':
  rangelib.py: Fix the bug in monotonic check.
This commit is contained in:
Tao Bao 2015-08-27 20:44:35 +00:00 committed by Android Git Automerger
commit 4988f18b1f
2 changed files with 60 additions and 4 deletions

View file

@ -24,12 +24,13 @@ class RangeSet(object):
lots of runs."""
def __init__(self, data=None):
# TODO(tbao): monotonic is broken when passing in a tuple.
self.monotonic = False
if isinstance(data, str):
self._parse_internal(data)
elif data:
assert len(data) % 2 == 0
self.data = tuple(self._remove_pairs(data))
self.monotonic = all(x < y for x, y in zip(self.data, self.data[1:]))
else:
self.data = ()
@ -39,8 +40,10 @@ class RangeSet(object):
def __eq__(self, other):
return self.data == other.data
def __ne__(self, other):
return self.data != other.data
def __nonzero__(self):
return bool(self.data)
@ -74,9 +77,9 @@ class RangeSet(object):
monotonic = True
for p in text.split():
if "-" in p:
s, e = p.split("-")
data.append(int(s))
data.append(int(e)+1)
s, e = (int(x) for x in p.split("-"))
data.append(s)
data.append(e+1)
if last <= s <= e:
last = e
else:
@ -95,6 +98,9 @@ class RangeSet(object):
@staticmethod
def _remove_pairs(source):
"""Remove consecutive duplicate items to simplify the result.
[1, 2, 2, 5, 5, 10] will become [1, 10]."""
last = None
for i in source:
if i == last:
@ -117,6 +123,7 @@ class RangeSet(object):
return " ".join(out)
def to_string_raw(self):
assert self.data
return str(len(self.data)) + "," + ",".join(str(i) for i in self.data)
def union(self, other):

View file

@ -44,6 +44,7 @@ class RangeSetTest(unittest.TestCase):
def test_size(self):
self.assertEqual(RangeSet("10-19 30-34").size(), 15)
self.assertEqual(RangeSet("").size(), 0)
def test_map_within(self):
self.assertEqual(RangeSet("0-9").map_within(RangeSet("3-4")),
@ -74,3 +75,51 @@ class RangeSetTest(unittest.TestCase):
self.assertEqual(RangeSet("10-19 30-39").extend(4), RangeSet("6-23 26-43"))
self.assertEqual(RangeSet("10-19 30-39").extend(10), RangeSet("0-49"))
def test_equality(self):
self.assertTrue(RangeSet("") == RangeSet(""))
self.assertTrue(RangeSet("3") == RangeSet("3"))
self.assertTrue(RangeSet("3 5") == RangeSet("5 3"))
self.assertTrue(
RangeSet("10-19 30-39") == RangeSet("30-32 10-14 33-39 15-19"))
self.assertTrue(RangeSet("") != RangeSet("3"))
self.assertTrue(RangeSet("10-19") != RangeSet("10-19 20"))
self.assertFalse(RangeSet(""))
self.assertTrue(RangeSet("3"))
def test_init(self):
self.assertIsNotNone(RangeSet(""))
self.assertIsNotNone(RangeSet("3"))
self.assertIsNotNone(RangeSet("3 5"))
self.assertIsNotNone(RangeSet("10 19 30-39"))
with self.assertRaises(AssertionError):
RangeSet(data=[0])
def test_str(self):
self.assertEqual(str(RangeSet("0-9")), "0-9")
self.assertEqual(str(RangeSet("2-10 12")), "2-10 12")
self.assertEqual(str(RangeSet("11 2-10 12 1 0")), "0-12")
self.assertEqual(str(RangeSet("")), "empty")
def test_to_string_raw(self):
self.assertEqual(RangeSet("0-9").to_string_raw(), "2,0,10")
self.assertEqual(RangeSet("2-10 12").to_string_raw(), "4,2,11,12,13")
self.assertEqual(RangeSet("11 2-10 12 1 0").to_string_raw(), "2,0,13")
with self.assertRaises(AssertionError):
RangeSet("").to_string_raw()
def test_monotonic(self):
self.assertTrue(RangeSet("0-9").monotonic)
self.assertTrue(RangeSet("2-9").monotonic)
self.assertTrue(RangeSet("2-9 30 31 35").monotonic)
self.assertTrue(RangeSet("").monotonic)
self.assertTrue(RangeSet("0-4 5-9").monotonic)
self.assertFalse(RangeSet("5-9 0-4").monotonic)
self.assertTrue(RangeSet(data=[0, 10]).monotonic)
self.assertTrue(RangeSet(data=[0, 10, 15, 20]).monotonic)
self.assertTrue(RangeSet(data=[2, 9, 30, 31, 31, 32, 35, 36]).monotonic)
self.assertTrue(RangeSet(data=[0, 5, 5, 10]).monotonic)
self.assertFalse(RangeSet(data=[5, 10, 0, 5]).monotonic)