test_numpy_mt19937.py 文件源码

def test_random_integers_max_int(self):
        # Tests whether random_integers can generate the
        # maximum allowed Python int that can be converted
        # into a C long. Previous implementations of this
        # method have thrown an OverflowError when attempting
        # to generate this integer.
        with suppress_warnings() as sup:
            w = sup.record(DeprecationWarning)
            actual = mt19937.random_integers(np.iinfo('l').max,
                                             np.iinfo('l').max)
            assert_(len(w) == 1)

        desired = np.iinfo('l').max
        assert_equal(actual, desired)