def testOverlap(self):
'''test if number of segments intersection is correct.'''
b = SegmentList(iter=((x, x + 10)
for x in range(5, 1000, 100)), normalize = True)
self.assertEqual(self.a.intersectionWithSegments(b), len(b))
self.assertEqual(b.intersectionWithSegments(self.a), len(b))
# no intersection
b = SegmentList(iter=((x, x + 10)
for x in range(10, 1000, 100)), normalize = True)
self.assertEqual(self.a.intersectionWithSegments(b), 0)
self.assertEqual(b.intersectionWithSegments(self.a), 0)
# double the number of segments in b
b = SegmentList(iter=[(x, x + 5) for x in range(0, 1000, 100)] +
[(x + 5, x + 10) for x in range(0, 1000, 100)],
normalize=True)
self.assertEqual(self.a.intersectionWithSegments(b), 10)
self.assertEqual(b.intersectionWithSegments(self.a), 20)
class TestSegmentListIntersection(GatTest):
def setUp(self):
self.a = SegmentList(
iter=((x, x + 10) for x in range(0, 1000, 100)), normalize=True)
def testIntersectionFull(self):
b = SegmentList(iter=[(0, 1000)], normalize=True)
b.intersect(self.a)
self.assertEqual(b.asList(), self.a.asList())
def testIntersectionSelf(self):
self.a.intersect(self.a)
self.assertEqual(self.a.asList(), self.a.asList())
def testIntersectionCopy(self):
b = SegmentList(clone=self.a)
b.intersect(self.a)
self.assertEqual(b.asList(), self.a.asList())
def testNoIntersection(self):
b = SegmentList(iter=((x, x + 10)
for x in range(10, 1000, 100)), normalize = True)
b.intersect(self.a)
self.assertEqual(b.asList(), [])
self.assertEqual(b.isEmpty, True)
def testPartialIntersection(self):
b = SegmentList(iter=((x, x + 10)
for x in range(5, 1000, 100)), normalize = True)
b.intersect(self.a)
self.assertEqual(len(b), len(self.a))
self.assertEqual(b.sum(), self.a.sum() / 2)
def testOverlap(self):
'''test if number of segments intersection is correct.'''
b = SegmentList(iter=((x, x + 10)
for x in range(5, 1000, 100)), normalize = True)
self.assertEqual(self.a.intersectionWithSegments(b), len(b))
self.assertEqual(b.intersectionWithSegments(self.a), len(b))
# no intersection
b = SegmentList(iter=((x, x + 10)
for x in range(10, 1000, 100)), normalize = True)
self.assertEqual(self.a.intersectionWithSegments(b), 0)
self.assertEqual(b.intersectionWithSegments(self.a), 0)
# double the number of segments in b
b = SegmentList(iter=[(x, x + 5) for x in range(0, 1000, 100)] +
[(x + 5, x + 10) for x in range(0, 1000, 100)],
normalize=True)
self.assertEqual(self.a.intersectionWithSegments(b), 10)
self.assertEqual(b.intersectionWithSegments(self.a), 20)
def testFilter(self):
b = SegmentList(iter=((x, x + 5)
for x in range(500, 2000, 100)), normalize=True)
b.filter(self.a)
self.assertEqual(b.asList(), [
(500, 505), (600, 605), (700, 705), (800, 805),
(900, 905)])
b = SegmentList(iter=((0, 56), ))
c = SegmentList(iter=[(0, 50), (75, 125)])
b.filter(c)
self.assertEqual(b.asList(), [(0, 56)])
b = SegmentList(iter=((0, 56), ))
c = SegmentList(iter=[(0, 10)])
b.filter(c)
self.assertEqual(b.asList(), [(0, 56)])
