1 files changed, 17 insertions, 0 deletions
diff --git a/python/tests/group_session_test.py b/python/tests/group_session_test.py
index c17e84f..3942024 100644
--- a/python/tests/group_session_test.py
+++ b/python/tests/group_session_test.py
@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from builtins import bytes
+
 import pytest
 
 from olm import InboundGroupSession, OlmGroupSessionError, OutboundGroupSession
@@ -112,3 +116,16 @@ class TestClass(object):
         outbound = OutboundGroupSession()
         inbound = InboundGroupSession(outbound.session_key)
         del inbound
+
+    def test_invalid_unicode_decrypt(self):
+        outbound = OutboundGroupSession()
+        inbound = InboundGroupSession(outbound.session_key)
+
+        text = outbound.encrypt(bytes([0xed]))
+        plaintext, _ = inbound.decrypt(text)
+
+        print(plaintext)
+        assert plaintext == "�"
+
+        plaintext, _ = inbound.decrypt(text, "ignore")
+        assert plaintext == ""