def test_basic_operations(self):
d = DistributionCell()
d.update(10)
self.assertEqual(d.get_cumulative(), DistributionData(10, 1, 10, 10))
d.update(2)
self.assertEqual(d.get_cumulative(), DistributionData(12, 2, 2, 10))
d.update(900)
self.assertEqual(d.get_cumulative(), DistributionData(912, 3, 2, 900))
def test_basic_operations(self):
d = DistributionCell()
d.update(10)
self.assertEqual(d.get_cumulative(),
DistributionData(10, 1, 10, 10))
d.update(2)
self.assertEqual(d.get_cumulative(),
DistributionData(12, 2, 2, 10))
d.update(900)
self.assertEqual(d.get_cumulative(),
DistributionData(912, 3, 2, 900))
def test_integer_only(self):
d = DistributionCell()
d.update(3.1)
d.update(3.2)
d.update(3.3)
self.assertEqual(d.get_cumulative(),
DistributionData(9, 3, 3, 3))
def test_parallel_access(self):
# We create NUM_THREADS threads that concurrently modify the distribution.
threads = []
d = DistributionCell()
for _ in range(TestDistributionCell.NUM_THREADS):
t = threading.Thread(target=TestDistributionCell._modify_distribution,
args=(d,))
threads.append(t)
t.start()
for t in threads:
t.join()
total = (self.NUM_ITERATIONS * (self.NUM_ITERATIONS-1)/2 * self.NUM_THREADS)
count = (self.NUM_ITERATIONS * self.NUM_THREADS)
self.assertEqual(d.get_cumulative(),
DistributionData(total, count, 0,
self.NUM_ITERATIONS - 1))
def test_parallel_access(self):
# We create NUM_THREADS threads that concurrently modify the distribution.
threads = []
d = DistributionCell()
for _ in range(TestDistributionCell.NUM_THREADS):
t = threading.Thread(
target=TestDistributionCell._modify_distribution, args=(d, ))
threads.append(t)
t.start()
for t in threads:
t.join()
total = (self.NUM_ITERATIONS * (self.NUM_ITERATIONS - 1) // 2 *
self.NUM_THREADS)
count = (self.NUM_ITERATIONS * self.NUM_THREADS)
self.assertEqual(
d.get_cumulative(),
DistributionData(total, count, 0, self.NUM_ITERATIONS - 1))
def test_integer_only(self):
d = DistributionCell()
d.update(3.1)
d.update(3.2)
d.update(3.3)
self.assertEqual(d.get_cumulative(), DistributionData(9, 3, 3, 3))