fix bug not allowing you to quit while in subscribe mode - added test

index.js

@@ -564,11 +564,10 @@ RedisClient.prototype.send_command = function () {
         }
         this.subscriptions = true;
     } else {
-        if (this.subscriptions === true) {
-            throw new Error("Connection in pub/sub mode, only pub/sub commands may be used");
-        }
         if (command === "QUIT") {
             this.closing = true;
+        } else if (this.subscriptions === true) {
+            throw new Error("Connection in pub/sub mode, only pub/sub commands may be used");
         }
         this.command_queue.push(command_obj);
     }

test.js

@@ -2,6 +2,7 @@
 var redis = require("./index"),
     client = redis.createClient(),
     client2 = redis.createClient(),
+    client3 = redis.createClient(),
     assert = require("assert"),
     sys = require('sys'),
     tests = {}, iterations = 10000;
@@ -238,6 +239,13 @@ tests.SUBSCRIBE = function () {
     client1.subscribe("chan1", "chan2");
 };
 
+tests.SUBSCRIBE_QUIT = function () {
+    var name = "SUBSCRIBE_QUIT";
+    client3.on("end", function() { next(name) });
+    client3.on("subscribe", function (channel, count) { client3.quit(); });
+    client3.subscribe("chan3");
+}
+
 tests.EXISTS = function () {
     var name = "EXISTS";
     client.del("foo", "foo2", require_number_any(name));