view Lib/test/test_future3.py @ 87690:66c1c9f32567 default tip

Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 83ae10bf608c
children
line wrap: on
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from __future__ import nested_scopes
from __future__ import division

import unittest

x = 2
def nester():
    x = 3
    def inner():
        return x
    return inner()


class TestFuture(unittest.TestCase):

    def test_floor_div_operator(self):
        self.assertEqual(7 // 2, 3)

    def test_true_div_as_default(self):
        self.assertAlmostEqual(7 / 2, 3.5)

    def test_nested_scopes(self):
        self.assertEqual(nester(), 3)

if __name__ == "__main__":
    unittest.main()