Coverage for tests/test_RangeSet.py: 16%

66 statements  

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1# 

2# LSST Data Management System 

3# See COPYRIGHT file at the top of the source tree. 

4# 

5# This product includes software developed by the 

6# LSST Project (http://www.lsst.org/). 

7# 

8# This program is free software: you can redistribute it and/or modify 

9# it under the terms of the GNU General Public License as published by 

10# the Free Software Foundation, either version 3 of the License, or 

11# (at your option) any later version. 

12# 

13# This program is distributed in the hope that it will be useful, 

14# but WITHOUT ANY WARRANTY; without even the implied warranty of 

15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

16# GNU General Public License for more details. 

17# 

18# You should have received a copy of the LSST License Statement and 

19# the GNU General Public License along with this program. If not, 

20# see <https://www.lsstcorp.org/LegalNotices/>. 

21# 

22 

23import pickle 

24import sys 

25import unittest 

26 

27from lsst.sphgeom import RangeSet 

28 

29 

30class RangeSetTestCase(unittest.TestCase): 

31 """Test RangeSet.""" 

32 

33 def testConstruction(self): 

34 s1 = RangeSet(1) 

35 s2 = RangeSet() 

36 s3 = RangeSet(2, 1) 

37 s4 = RangeSet(s3) 

38 self.assertTrue(s2.empty()) 

39 self.assertEqual(s3, s4) 

40 self.assertEqual(s1, s3.complement()) 

41 

42 def testComparisonOperators(self): 

43 s1 = RangeSet(1) 

44 s2 = RangeSet(2) 

45 self.assertNotEqual(s1, s2) 

46 s1.insert(2) 

47 s2.insert(1) 

48 self.assertEqual(s1, s2) 

49 self.assertTrue(RangeSet(2, 1).contains(RangeSet(3, 4))) 

50 self.assertTrue(RangeSet(2, 1).contains(3, 4)) 

51 self.assertTrue(RangeSet(2, 1).contains(3)) 

52 self.assertTrue(RangeSet(2, 4).isWithin(RangeSet(1, 5))) 

53 self.assertTrue(RangeSet(2, 4).isWithin(1, 5)) 

54 self.assertFalse(RangeSet(2, 4).isWithin(3)) 

55 self.assertTrue(RangeSet(2, 4).intersects(RangeSet(3, 5))) 

56 self.assertTrue(RangeSet(2, 4).intersects(3, 5)) 

57 self.assertTrue(RangeSet(2, 4).intersects(3)) 

58 self.assertTrue(RangeSet(2, 4).isDisjointFrom(RangeSet(6, 8))) 

59 self.assertTrue(RangeSet(2, 4).isDisjointFrom(6, 8)) 

60 self.assertTrue(RangeSet(2, 4).isDisjointFrom(6)) 

61 

62 def testSetOperators(self): 

63 a = RangeSet(1) 

64 b = ~a 

65 self.assertTrue((a | b).full()) 

66 self.assertTrue((a & b).empty()) 

67 self.assertEqual(a - b, a) 

68 self.assertEqual(b - a, b) 

69 a &= a 

70 b &= b 

71 c = (a ^ b) - RangeSet(2, 4) 

72 self.assertEqual(c, RangeSet(4, 2)) 

73 c |= b 

74 self.assertTrue(c.full()) 

75 c ^= c 

76 self.assertTrue(c.empty()) 

77 

78 def testRanges(self): 

79 s = RangeSet() 

80 s.insert(0, 1) 

81 s.insert(2, 3) 

82 self.assertEqual(s.ranges(), [(0, 1), (2, 3)]) 

83 s = RangeSet(4, 2) 

84 self.assertEqual(list(s), [(0, 2), (4, 0)]) 

85 

86 def testString(self): 

87 s = RangeSet(1, 10) 

88 if sys.version_info[0] >= 3: 

89 self.assertEqual(str(s), "[(1, 10)]") 

90 self.assertEqual(repr(s), "RangeSet([(1, 10)])") 

91 else: 

92 # pybind11 maps C++ integers to Python long instances in Python 2. 

93 self.assertEqual(str(s), "[(1L, 10L)]") 

94 self.assertEqual(repr(s), "RangeSet([(1L, 10L)])") 

95 self.assertEqual(s, eval(repr(s), {"RangeSet": RangeSet})) 

96 

97 def testPickle(self): 

98 r = RangeSet([2, 3, 5, 7, 11, 13, 17, 19]) 

99 s = pickle.loads(pickle.dumps(r)) 

100 self.assertEqual(r, s) 

101 

102 

103if __name__ == "__main__": 

104 unittest.main()