from gevent import get_hub
from gevent import testing as greentest

class Test(greentest.TestCase):
    def test(self):
        count = [0]

        def incr():
            count[0] += 1

        loop = get_hub().loop
        loop.run_callback(incr)
        loop.run()
        self.assertEqual(count, [1])


if __name__ == '__main__':
    greentest.main()