From 3c507f20bbe4c0457c4bdf6f7b3f277403a7b0a6 Mon Sep 17 00:00:00 2001
From: Brian White <mscdex@mscdex.net>
Date: Tue, 15 Oct 2013 11:54:06 -0400
Subject: [PATCH] Connection: check UIDPLUS availability before attempting a
 UID EXPUNGE

---
 lib/Connection.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Connection.js b/lib/Connection.js
index 05755ec..7136991 100644
--- a/lib/Connection.js
+++ b/lib/Connection.js
@@ -477,6 +477,9 @@ Connection.prototype.expunge = function(uids, cb) {
     validateUIDList(uids);
     uids = uids.join(',');
 
+    if (!this.serverSupports('UIDPLUS'))
+      throw new Error('Server does not support this feature (UIDPLUS)');
+
     this._enqueue('UID EXPUNGE ' + uids, cb);
   } else
     this._enqueue('EXPUNGE', cb);