def test_closedArchive(self):
        czf = zipstream.ChunkingZipFile(self.makeZipFile(["something"]), "r")
        czf.close()
        self.assertRaises(RuntimeError, czf.readfile, "something")
A closed ChunkingZipFile should raise a L{RuntimeError} when
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/test/test_zipstream.py/ZipstreamTest.test_closedArchive