From ba1468e4c66a3f6d5eef2f8ad67188805d07c9b6 Mon Sep 17 00:00:00 2001
From: Neels Hofmeyr <nhofmeyr@sysmocom.de>
Date: Fri, 3 Feb 2017 04:23:46 +0100
Subject: [PATCH] vty tests: testBSCreload: ipa_handle_small: ensure rx of 4
 bytes

Change-Id: I995b7aba9d0b51b0861a4281dbbca888f36e9e00
---
 openbsc/tests/vty_test_runner.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/openbsc/tests/vty_test_runner.py b/openbsc/tests/vty_test_runner.py
index 3fbe20d09..64fd86dc6 100644
--- a/openbsc/tests/vty_test_runner.py
+++ b/openbsc/tests/vty_test_runner.py
@@ -1239,6 +1239,8 @@ def nat_msc_test(x, ip, port, verbose = False):
 
 def ipa_handle_small(x, verbose = False):
     s = data2str(x.recv(4))
+    if len(s) != 4*2:
+      raise Exception("expected to receive 4 bytes, but got %d (%r)" % (len(s)/2, s))
     if "0001fe00" == s:
         if (verbose):
             print "\tBSC <- NAT: PING?"