Coverage for tests/test_Interval1d.py: 20%
59 statements
« prev ^ index » next coverage.py v7.2.7, created at 2023-07-12 10:50 -0700
« prev ^ index » next coverage.py v7.2.7, created at 2023-07-12 10:50 -0700
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#
23import pickle
24import unittest
26from lsst.sphgeom import CONTAINS, DISJOINT, Interval1d
29class Interval1dTestCase(unittest.TestCase):
30 """Test 1D intervals."""
32 def testConstruction(self):
33 i = Interval1d(1)
34 self.assertEqual(i.getA(), i.getB())
35 self.assertEqual(i.getA(), 1)
36 i = Interval1d(1, 2)
37 self.assertEqual(i, Interval1d(1, 2))
38 self.assertTrue(Interval1d.empty().isEmpty())
40 def testComparisonOperators(self):
41 self.assertEqual(Interval1d(1), Interval1d(1, 1))
42 self.assertEqual(Interval1d(1), 1)
43 self.assertNotEqual(Interval1d(1, 1), Interval1d(2, 2))
44 self.assertNotEqual(Interval1d(2, 2), 1)
46 def testCenterAndSize(self):
47 i = Interval1d(1, 2)
48 self.assertEqual(i.getSize(), 1)
49 self.assertEqual(i.getCenter(), 1.5)
51 def testRelationships(self):
52 i02 = Interval1d(0, 2)
53 i13 = Interval1d(1, 3)
54 i46 = Interval1d(4, 6)
55 i06 = Interval1d(0, 6)
56 self.assertTrue(i02.contains(1))
57 self.assertTrue(i02.contains(Interval1d(0.5, 1.5)))
58 self.assertTrue(i02.isDisjointFrom(3))
59 self.assertTrue(i02.isDisjointFrom(i46))
60 self.assertTrue(i02.intersects(1))
61 self.assertTrue(i02.intersects(i13))
62 self.assertTrue(Interval1d(1, 1).isWithin(i02))
63 self.assertTrue(i02.isWithin(i06))
64 r = i02.relate(1)
65 self.assertEqual(r, CONTAINS)
66 r = i46.relate(i02)
67 self.assertEqual(r, DISJOINT)
69 def testExpandingAndClipping(self):
70 a = Interval1d(1, 2)
71 b = a.expandedTo(3).expandedTo(Interval1d(2, 4)).clippedTo(Interval1d(0, 2)).clippedTo(1)
72 a.expandTo(3).expandTo(Interval1d(2, 4))
73 a.clipTo(Interval1d(0, 2)).clipTo(1)
74 self.assertEqual(a, b)
75 self.assertEqual(a, 1)
77 def testDilationAndErosion(self):
78 a = Interval1d(1, 3)
79 b = a.dilatedBy(1).erodedBy(2)
80 a.dilateBy(1).erodeBy(2)
81 self.assertEqual(a, b)
82 self.assertEqual(a, 2)
84 def testString(self):
85 i = Interval1d(1, 2)
86 self.assertEqual(str(i), "[1.0, 2.0]")
87 self.assertEqual(repr(i), "Interval1d(1.0, 2.0)")
88 self.assertEqual(i, eval(repr(i), {"Interval1d": Interval1d}))
90 def testPickle(self):
91 a = Interval1d(1.5, 3.5)
92 b = pickle.loads(pickle.dumps(a))
93 self.assertEqual(a, b)
96if __name__ == "__main__":
97 unittest.main()