126 lines
5.0 KiB
Python
126 lines
5.0 KiB
Python
#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import unittest
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from rangelib import RangeSet
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class RangeSetTest(unittest.TestCase):
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def test_union(self):
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self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("18-29")),
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RangeSet("10-34"))
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self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("22 32")),
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RangeSet("10-19 22 30-34"))
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def test_intersect(self):
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self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("18-32")),
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RangeSet("18-19 30-32"))
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self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("22-28")),
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RangeSet(""))
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def test_subtract(self):
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self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("18-32")),
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RangeSet("10-17 33-34"))
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self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("22-28")),
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RangeSet("10-19 30-34"))
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def test_overlaps(self):
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self.assertTrue(RangeSet("10-19 30-34").overlaps(RangeSet("18-32")))
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self.assertFalse(RangeSet("10-19 30-34").overlaps(RangeSet("22-28")))
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def test_size(self):
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self.assertEqual(RangeSet("10-19 30-34").size(), 15)
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self.assertEqual(RangeSet("").size(), 0)
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def test_map_within(self):
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self.assertEqual(RangeSet("0-9").map_within(RangeSet("3-4")),
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RangeSet("3-4"))
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self.assertEqual(RangeSet("10-19").map_within(RangeSet("13-14")),
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RangeSet("3-4"))
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self.assertEqual(
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RangeSet("10-19 30-39").map_within(RangeSet("17-19 30-32")),
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RangeSet("7-12"))
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self.assertEqual(
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RangeSet("10-19 30-39").map_within(RangeSet("12-13 17-19 30-32")),
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RangeSet("2-3 7-12"))
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def test_first(self):
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self.assertEqual(RangeSet("0-9").first(1), RangeSet("0"))
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self.assertEqual(RangeSet("10-19").first(5), RangeSet("10-14"))
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self.assertEqual(RangeSet("10-19").first(15), RangeSet("10-19"))
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self.assertEqual(RangeSet("10-19 30-39").first(3), RangeSet("10-12"))
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self.assertEqual(RangeSet("10-19 30-39").first(15),
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RangeSet("10-19 30-34"))
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self.assertEqual(RangeSet("10-19 30-39").first(30),
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RangeSet("10-19 30-39"))
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self.assertEqual(RangeSet("0-9").first(0), RangeSet(""))
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def test_extend(self):
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self.assertEqual(RangeSet("0-9").extend(1), RangeSet("0-10"))
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self.assertEqual(RangeSet("10-19").extend(15), RangeSet("0-34"))
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self.assertEqual(RangeSet("10-19 30-39").extend(4), RangeSet("6-23 26-43"))
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self.assertEqual(RangeSet("10-19 30-39").extend(10), RangeSet("0-49"))
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def test_equality(self):
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self.assertTrue(RangeSet("") == RangeSet(""))
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self.assertTrue(RangeSet("3") == RangeSet("3"))
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self.assertTrue(RangeSet("3 5") == RangeSet("5 3"))
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self.assertTrue(
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RangeSet("10-19 30-39") == RangeSet("30-32 10-14 33-39 15-19"))
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self.assertTrue(RangeSet("") != RangeSet("3"))
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self.assertTrue(RangeSet("10-19") != RangeSet("10-19 20"))
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self.assertFalse(RangeSet(""))
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self.assertTrue(RangeSet("3"))
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def test_init(self):
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self.assertIsNotNone(RangeSet(""))
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self.assertIsNotNone(RangeSet("3"))
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self.assertIsNotNone(RangeSet("3 5"))
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self.assertIsNotNone(RangeSet("10 19 30-39"))
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with self.assertRaises(AssertionError):
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RangeSet(data=[0])
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def test_str(self):
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self.assertEqual(str(RangeSet("0-9")), "0-9")
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self.assertEqual(str(RangeSet("2-10 12")), "2-10 12")
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self.assertEqual(str(RangeSet("11 2-10 12 1 0")), "0-12")
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self.assertEqual(str(RangeSet("")), "empty")
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def test_to_string_raw(self):
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self.assertEqual(RangeSet("0-9").to_string_raw(), "2,0,10")
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self.assertEqual(RangeSet("2-10 12").to_string_raw(), "4,2,11,12,13")
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self.assertEqual(RangeSet("11 2-10 12 1 0").to_string_raw(), "2,0,13")
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with self.assertRaises(AssertionError):
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RangeSet("").to_string_raw()
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def test_monotonic(self):
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self.assertTrue(RangeSet("0-9").monotonic)
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self.assertTrue(RangeSet("2-9").monotonic)
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self.assertTrue(RangeSet("2-9 30 31 35").monotonic)
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self.assertTrue(RangeSet("").monotonic)
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self.assertTrue(RangeSet("0-4 5-9").monotonic)
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self.assertFalse(RangeSet("5-9 0-4").monotonic)
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self.assertTrue(RangeSet(data=[0, 10]).monotonic)
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self.assertTrue(RangeSet(data=[0, 10, 15, 20]).monotonic)
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self.assertTrue(RangeSet(data=[2, 9, 30, 31, 31, 32, 35, 36]).monotonic)
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self.assertTrue(RangeSet(data=[0, 5, 5, 10]).monotonic)
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self.assertFalse(RangeSet(data=[5, 10, 0, 5]).monotonic)
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