From 6d11a20cc8298577390c45f47d5e36d35931459f Mon Sep 17 00:00:00 2001
From: Isaac Cook <isaac@simpload.com>
Date: Sun, 16 Nov 2014 14:03:44 -0600
Subject: [PATCH] Add a test for proper exception raising on bad start

---
 bitcoin/tests/test_messages.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bitcoin/tests/test_messages.py b/bitcoin/tests/test_messages.py
index 5b4c7573..e4c39a22 100644
--- a/bitcoin/tests/test_messages.py
+++ b/bitcoin/tests/test_messages.py
@@ -114,6 +114,12 @@ def test_read_msg_verack(self):
         m = MsgSerializable.stream_deserialize(f)
         self.assertEqual(m.command, msg_verack.command)
 
+    def test_fail_invalid_message(self):
+        bad_verack_bytes = b'\xf8' + self.verackbytes[1:]
+        f = BytesIO(bad_verack_bytes)
+        with self.assertRaises(ValueError):
+            MsgSerializable.stream_deserialize(f)
+
     def test_msg_verack_to_bytes(self):
         m = msg_verack()
         b = m.to_bytes()