test_new_ffi_1.py 文件源码

def test_ffi_buffer_ptr(self):
        a = ffi.new("short *", 100)
        try:
            b = ffi.buffer(a)
        except NotImplementedError as e:
            py.test.skip(str(e))
        content = b[:]
        assert len(content) == len(b) == 2
        if sys.byteorder == 'little':
            assert content == b'\x64\x00'
            assert b[0] == b'\x64'
            b[0] = b'\x65'
        else:
            assert content == b'\x00\x64'
            assert b[1] == b'\x64'
            b[1] = b'\x65'
        assert a[0] == 101