test_random.py 文件源码

def test_poisson_exceptions(self):
        lambig = np.iinfo('l').max
        lamneg = -1
        assert_raises(ValueError, np.random.poisson, lamneg)
        assert_raises(ValueError, np.random.poisson, [lamneg]*10)
        assert_raises(ValueError, np.random.poisson, lambig)
        assert_raises(ValueError, np.random.poisson, [lambig]*10)