Fixed validation of sent messages count (#26)

Author: fgiorgetti

lib/senderClient.js

@@ -102,6 +102,21 @@ class Sender extends CoreClient {
         }
     }
 
+    /**
+    * @method _getTotalSent
+    * @private
+    * @description total messages sent excluding released ones (when not using best effort)
+    * @memberof Sender
+    */
+    _getTotalSent() {
+        let totalSent = this.sent;
+        // If using best-effort, then simply ignore released messages
+        if (!this.options.linkAtMostOnce) {
+            totalSent -= this.released;
+        }
+        return totalSent;
+    }
+
     /**
     * @method _sendMessage
     * @private
@@ -114,12 +129,7 @@ class Sender extends CoreClient {
             this._nextRequest(context, this);
         } else {
             let message = undefined;
-            let totalSent = this.sent;
-            // If using best-effort, then simply ignore released messages
-            if (!this.options.linkAtMostOnce) {
-                totalSent -= this.released;
-            }
-            while ((this.options.anonymous || (context.sender && context.sender.sendable())) && totalSent < this.options.count) {
+            while ((this.options.anonymous || (context.sender && context.sender.sendable())) && this._getTotalSent() < this.options.count) {
                 this.sent++;
                 message = this._createMessage(this.sent - 1);