1 # 2 # Copyright (C) 2015 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 17 import unittest 18 19 from rangelib import RangeSet 20 21 class RangeSetTest(unittest.TestCase): 22 23 def test_union(self): 24 self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("18-29")), 25 RangeSet("10-34")) 26 self.assertEqual(RangeSet("10-19 30-34").union(RangeSet("22 32")), 27 RangeSet("10-19 22 30-34")) 28 29 def test_intersect(self): 30 self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("18-32")), 31 RangeSet("18-19 30-32")) 32 self.assertEqual(RangeSet("10-19 30-34").intersect(RangeSet("22-28")), 33 RangeSet("")) 34 35 def test_subtract(self): 36 self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("18-32")), 37 RangeSet("10-17 33-34")) 38 self.assertEqual(RangeSet("10-19 30-34").subtract(RangeSet("22-28")), 39 RangeSet("10-19 30-34")) 40 41 def test_overlaps(self): 42 self.assertTrue(RangeSet("10-19 30-34").overlaps(RangeSet("18-32"))) 43 self.assertFalse(RangeSet("10-19 30-34").overlaps(RangeSet("22-28"))) 44 45 def test_size(self): 46 self.assertEqual(RangeSet("10-19 30-34").size(), 15) 47 self.assertEqual(RangeSet("").size(), 0) 48 49 def test_map_within(self): 50 self.assertEqual(RangeSet("0-9").map_within(RangeSet("3-4")), 51 RangeSet("3-4")) 52 self.assertEqual(RangeSet("10-19").map_within(RangeSet("13-14")), 53 RangeSet("3-4")) 54 self.assertEqual( 55 RangeSet("10-19 30-39").map_within(RangeSet("17-19 30-32")), 56 RangeSet("7-12")) 57 self.assertEqual( 58 RangeSet("10-19 30-39").map_within(RangeSet("12-13 17-19 30-32")), 59 RangeSet("2-3 7-12")) 60 61 def test_first(self): 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), 67 RangeSet("10-19 30-34")) 68 self.assertEqual(RangeSet("10-19 30-39").first(30), 69 RangeSet("10-19 30-39")) 70 self.assertEqual(RangeSet("0-9").first(0), RangeSet("")) 71 72 def test_extend(self): 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")) 77 78 def test_equality(self): 79 self.assertTrue(RangeSet("") == RangeSet("")) 80 self.assertTrue(RangeSet("3") == RangeSet("3")) 81 self.assertTrue(RangeSet("3 5") == RangeSet("5 3")) 82 self.assertTrue( 83 RangeSet("10-19 30-39") == RangeSet("30-32 10-14 33-39 15-19")) 84 self.assertTrue(RangeSet("") != RangeSet("3")) 85 self.assertTrue(RangeSet("10-19") != RangeSet("10-19 20")) 86 87 self.assertFalse(RangeSet("")) 88 self.assertTrue(RangeSet("3")) 89 90 def test_init(self): 91 self.assertIsNotNone(RangeSet("")) 92 self.assertIsNotNone(RangeSet("3")) 93 self.assertIsNotNone(RangeSet("3 5")) 94 self.assertIsNotNone(RangeSet("10 19 30-39")) 95 96 with self.assertRaises(AssertionError): 97 RangeSet(data=[0]) 98 99 def test_str(self): 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") 104 105 def test_to_string_raw(self): 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") 109 110 with self.assertRaises(AssertionError): 111 RangeSet("").to_string_raw() 112 113 def test_monotonic(self): 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) 121 122 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) 127
