From faca4a8dc95d265a14d75e634363f4b27b496fb6 Mon Sep 17 00:00:00 2001
From: Matt Ranney <mjr@ranney.com>
Date: Wed, 16 Nov 2011 12:10:19 -1000
Subject: [PATCH] Bounds checking on Array expansion magic.

---
 index.js | 2 +-
 test.js  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index d5efbbc74d..54033ea58e 100644
--- a/index.js
+++ b/index.js
@@ -632,7 +632,7 @@ RedisClient.prototype.send_command = function (command, args, callback) {
     //  and converts to:
     //     client.command(arg1, arg2, arg3, arg4, cb);
     // which is convenient for some things like sadd
-    if (Array.isArray(args[args.length - 1])) {
+    if (args.length > 0 && Array.isArray(args[args.length - 1])) {
         args = args.slice(0, -1).concat(args[args.length - 1]);
     }
 
diff --git a/test.js b/test.js
index a02b36b1fc..a146a32f3d 100644
--- a/test.js
+++ b/test.js
@@ -158,7 +158,7 @@ tests.MULTI_3 = function () {
         // make sure empty mb reply works
         assert.strictEqual(true, is_empty_array(reply), name);
     });
- 
+
     // test nested multi-bulk replies with empty mb elements.
     client.multi([
         ["smembers", "some set"],