test_packing.py 文件源码

def test_uint64(self):
        if sys.maxsize != (1 << 63)-1:
            py.test.skip('64 bit only')
        if IS_PYPY and sys.pypy_version_info < (5, 6):
            py.test.skip('Broken on PyPy<5.6')
        #
        buf = struct.pack('Q', sys.maxsize)
        val = unpack_primitive(ord('Q'), buf, 0)
        assert val == sys.maxsize
        assert type(val) is int
        #
        buf = struct.pack('Q', sys.maxsize+1)
        val = unpack_primitive(ord('Q'), buf, 0)
        assert val == sys.maxsize+1
        if six.PY3:
            assert type(val) is int
        else:
            assert type(val) is long