def test_average2(self):
linq = Linq([1.0, 1.0, 4.0, 2.0, 2.0])
ave = linq.average(select_f=lambda x: x * x)
assert_true(5.2 - 0.0002 < ave and ave < 5.2 + 0.0002)
def test_average3(self):
linq = Linq([])
linq.average()
def test_average(self):
linq = Linq([1.0, 1.0, 4.0, 2.0, 2.0])
ave = linq.average()
assert_true(2 - 0.0002 < ave and ave < 2 + 0.0002)
