def test_certificateOptionsSerialization(self):
        """
        Test that __setstate__(__getstate__()) round-trips properly.
        """
        firstOpts = sslverify.OpenSSLCertificateOptions(
            privateKey=self.sKey,
            certificate=self.sCert,
            method=SSL.SSLv3_METHOD,
            verify=True,
            caCerts=[self.sCert],
            verifyDepth=2,
            requireCertificate=False,
            verifyOnce=False,
            enableSingleUseKeys=False,
            enableSessions=False,
            fixBrokenPeers=True)
        context = firstOpts.getContext()
        state = firstOpts.__getstate__()
        
        # The context shouldn't be in the state to serialize
        self.failIf(objgrep(state, context, isSame), objgrep(state, context, isSame))

        opts = sslverify.OpenSSLCertificateOptions()
        opts.__setstate__(state)
        self.assertEqual(opts.privateKey, self.sKey)
        self.assertEqual(opts.certificate, self.sCert)
        self.assertEqual(opts.method, SSL.SSLv3_METHOD)
        self.assertEqual(opts.verify, True)
        self.assertEqual(opts.caCerts, [self.sCert])
        self.assertEqual(opts.verifyDepth, 2)
        self.assertEqual(opts.requireCertificate, False)
        self.assertEqual(opts.verifyOnce, False)
        self.assertEqual(opts.enableSingleUseKeys, False)
        self.assertEqual(opts.enableSessions, False)
        self.assertEqual(opts.fixBrokenPeers, True)

    def test_dictionary(self):
        """
        Test references search through a dictionnary, as a key or as a value.
        """
        o = object()
        d1 = {None: o}
        d2 = {o: None}

        self.assertIn("[None]", reflect.objgrep(d1, o, reflect.isSame))
        self.assertIn("{None}", reflect.objgrep(d2, o, reflect.isSame))

    def test_depthLimit(self):
        """
        Test the depth of references search.
        """
        a = []
        b = [a]
        c = [a, b]
        d = [a, c]

        self.assertEqual(['[0]'], reflect.objgrep(d, a, reflect.isSame, maxDepth=1))
        self.assertEqual(['[0]', '[1][0]'], reflect.objgrep(d, a, reflect.isSame, maxDepth=2))
        self.assertEqual(['[0]', '[1][0]', '[1][1][0]'], reflect.objgrep(d, a, reflect.isSame, maxDepth=3))

    def test_boundMethod(self):
        """
        Test references search through method special attributes.
        """
        class Dummy:
            def dummy(self):
                pass
        o = Dummy()
        m = o.dummy

        self.assertIn(".im_self", reflect.objgrep(m, m.im_self, reflect.isSame))
        self.assertIn(".im_class", reflect.objgrep(m, m.im_class, reflect.isSame))
        self.assertIn(".im_func", reflect.objgrep(m, m.im_func, reflect.isSame))

    def test_tuple(self):
        """
        Test references search through a tuple.
        """
        o = object()
        T = (o, None)

        self.assertIn("[0]", reflect.objgrep(T, o, reflect.isSame))

    def test_list(self):
        """
        Test references search through a list.
        """
        o = object()
        L = [None, o]

        self.assertIn("[1]", reflect.objgrep(L, o, reflect.isSame))

    def test_deque(self):
        """
        Test references search through a deque object. Only for Python > 2.3.
        """
        o = object()
        D = deque()
        D.append(None)
        D.append(o)

        self.assertIn("[1]", reflect.objgrep(D, o, reflect.isSame))

    def test_weakref(self):
        """
        Test references search through a weakref object.
        """
        class Dummy:
            pass
        o = Dummy()
        w1 = weakref.ref(o)

        self.assertIn("()", reflect.objgrep(w1, o, reflect.isSame))

    def test_instance(self):
        """
        Test references search through an object attribute.
        """
        class Dummy:
            pass
        o = object()
        d = Dummy()
        d.o = o

        self.assertIn(".o", reflect.objgrep(d, o, reflect.isSame))

    def test_everything(self):
        """
        Test references search using complex set of objects.
        """
        class Dummy:
            def method(self):
                pass

        o = Dummy()
        D1 = {(): "baz", None: "Quux", o: "Foosh"}
        L = [None, (), D1, 3]
        T = (L, {}, Dummy())
        D2 = {0: "foo", 1: "bar", 2: T}
        i = Dummy()
        i.attr = D2
        m = i.method
        w = weakref.ref(m)

        self.assertIn("().__self__.attr[2][0][2]{'Foosh'}",
                      reflect.objgrep(w, o, reflect.isSame))