def testCreateAndClear(self):
s = SegmentList()
self.assertEqual(0, len(s))
s.add(0, 100)
self.assertEqual(1, len(s))
s.clear()
self.assertEqual(0, len(s))
def testNormalize2(self):
'''overlapping segments.'''
ss = [(x, x + 1000) for x in range(0, 1000, 100)]
random.shuffle(ss)
s = SegmentList()
for start, end in ss:
s.add(start, end)
s.normalize()
self.assertEqual(len(s), 1)
self.assertEqual(s.sum(), 1900)
def testNormalize4(self):
# test multiple interleaved segments
ss = [(x, x + 100) for x in range(0, 1000, 10)]
s = SegmentList()
for start, end in ss:
s.add(start, end)
s.normalize()
self.assertEqual(len(s), 1)
self.assertEqual(s.sum(), 1090)
s2 = SegmentList(iter=ss)
s2.merge(-1)
self.assertEqual(s, s2)
def testNormalize1b(self):
'''non-overlapping segments.'''
ss = [(x, x + 10) for x in range(100, 1100, 100)]
random.shuffle(ss)
s = SegmentList()
for start, end in ss:
s.add(start, end)
s.normalize()
self.assertEqual(len(s), 10)
self.assertEqual(s.sum(), 100)
s2 = SegmentList(iter=ss)
s2.merge(-1)
self.assertEqual(s, s2)