23   def test_union(self):  argument
24     self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("18-29")),
26     self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("22 32")),
29   def test_intersect(self):  argument
30     self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("18-32")),
32     self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("22-28")),
35   def test_subtract(self):  argument
36     self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("18-32")),
38     self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("22-28")),
41   def test_overlaps(self):  argument
42     self.assertTrue(RangeSet("10-19 30-34").overlaps(RangeSet("18-32")))
43     self.assertFalse(RangeSet("10-19 30-34").overlaps(RangeSet("22-28")))
45   def test_size(self):  argument
46     self.assertEqual(RangeSet("10-19 30-34").size(), 15)
47     self.assertEqual(RangeSet("").size(), 0)
49   def test_map_within(self):  argument
50     self.assertEqual(RangeSet("0-9").map_within(RangeSet("3-4")),
52     self.assertEqual(RangeSet("10-19").map_within(RangeSet("13-14")),
54     self.assertEqual(
57     self.assertEqual(
61   def test_first(self):  argument
62     self.assertEqual(RangeSet("0-9").first(1), RangeSet("0"))
63     self.assertEqual(RangeSet("10-19").first(5), RangeSet("10-14"))
64     self.assertEqual(RangeSet("10-19").first(15), RangeSet("10-19"))
65     self.assertEqual(RangeSet("10-19 30-39").first(3), RangeSet("10-12"))
66     self.assertEqual(RangeSet("10-19 30-39").first(15),
68     self.assertEqual(RangeSet("10-19 30-39").first(30),
70     self.assertEqual(RangeSet("0-9").first(0), RangeSet(""))
72   def test_extend(self):  argument
73     self.assertEqual(RangeSet("0-9").extend(1), RangeSet("0-10"))
74     self.assertEqual(RangeSet("10-19").extend(15), RangeSet("0-34"))
75     self.assertEqual(RangeSet("10-19 30-39").extend(4), RangeSet("6-23 26-43"))
76     self.assertEqual(RangeSet("10-19 30-39").extend(10), RangeSet("0-49"))
78   def test_equality(self):  argument
79     self.assertTrue(RangeSet("") == RangeSet(""))
80     self.assertTrue(RangeSet("3") == RangeSet("3"))
81     self.assertTrue(RangeSet("3 5") == RangeSet("5 3"))
82     self.assertTrue(
84     self.assertTrue(RangeSet("") != RangeSet("3"))
85     self.assertTrue(RangeSet("10-19") != RangeSet("10-19 20"))
87     self.assertFalse(RangeSet(""))
88     self.assertTrue(RangeSet("3"))
90   def test_init(self):  argument
91     self.assertIsNotNone(RangeSet(""))
92     self.assertIsNotNone(RangeSet("3"))
93     self.assertIsNotNone(RangeSet("3 5"))
94     self.assertIsNotNone(RangeSet("10 19 30-39"))
96     with self.assertRaises(AssertionError):
99   def test_str(self):  argument
100     self.assertEqual(str(RangeSet("0-9")), "0-9")
101     self.assertEqual(str(RangeSet("2-10 12")), "2-10 12")
102     self.assertEqual(str(RangeSet("11 2-10 12 1 0")), "0-12")
103     self.assertEqual(str(RangeSet("")), "empty")
105   def test_to_string_raw(self):  argument
106     self.assertEqual(RangeSet("0-9").to_string_raw(), "2,0,10")
107     self.assertEqual(RangeSet("2-10 12").to_string_raw(), "4,2,11,12,13")
108     self.assertEqual(RangeSet("11 2-10 12 1 0").to_string_raw(), "2,0,13")
110     with self.assertRaises(AssertionError):
113   def test_monotonic(self):  argument
114     self.assertTrue(RangeSet("0-9").monotonic)
115     self.assertTrue(RangeSet("2-9").monotonic)
116     self.assertTrue(RangeSet("2-9 30 31 35").monotonic)
117     self.assertTrue(RangeSet("").monotonic)
118     self.assertTrue(RangeSet("0-4 5-9").monotonic)
119     self.assertFalse(RangeSet("5-9 0-4").monotonic)
120     self.assertFalse(RangeSet("258768-259211 196604").monotonic)
122     self.assertTrue(RangeSet(data=[0, 10]).monotonic)
123     self.assertTrue(RangeSet(data=[0, 10, 15, 20]).monotonic)
124     self.assertTrue(RangeSet(data=[2, 9, 30, 31, 31, 32, 35, 36]).monotonic)
125     self.assertTrue(RangeSet(data=[0, 5, 5, 10]).monotonic)
126     self.assertFalse(RangeSet(data=[5, 10, 0, 5]).monotonic)
128   def test_parse_raw(self):  argument
129     self.assertEqual(
132     self.assertEqual(
135     self.assertEqual(
139     with self.assertRaises(AssertionError):
142   def test_next_item(self):  argument
143     self.assertEqual(
146     self.assertEqual(
149     self.assertEqual(