fix(req): validate req.range size

Signed-off-by: Shivam Sharma <[email protected]>

Author: shivarm

lib/request.js

@@ -195,10 +195,14 @@ req.acceptsLanguages = function(...languages) {
  * @param {object} [options]
  * @param {boolean} [options.combine=false]
  * @return {number|array}
+ * @throws {TypeError}
  * @public
  */
 
 req.range = function range(size, options) {
+  if (!Number.isInteger(size) || size < 0) {
+    throw new TypeError('size must be a non-negative integer to req.range');
+  }
   var range = this.get('Range');
   if (!range) return;
   return parseRange(size, range, options);