[telepathy-gabble/master] Assert if set_state is incorrectly passed a reason

[Will Thompson]

---
 src/jingle-session.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/jingle-session.c b/src/jingle-session.c
index ff798c2..b47a576 100644
--- a/src/jingle-session.c
+++ b/src/jingle-session.c
@@ -1539,7 +1539,7 @@ try_session_initiate_or_accept (GabbleJingleSession *sess)
  * @sess: a jingle session
  * @state: the new state for the session
  * @termination_reason: if @state is JS_STATE_ENDED, the reason the session
- *                      ended. Otherwise, ignored.
+ *                      ended. Otherwise, must be 0.
  */
 static void
 set_state (GabbleJingleSession *sess,
@@ -1554,6 +1554,9 @@ set_state (GabbleJingleSession *sess,
       return;
     }
 
+  if (state != JS_STATE_ENDED)
+    g_assert (termination_reason == 0);
+
   DEBUG ("Setting state of JingleSession: %p (priv = %p) from %u to %u", sess, priv, priv->state, state);
 
   priv->state = state;
-- 
1.5.6.5