From 0dd63e980488409901aef18b45fdf4240d53cd64 Mon Sep 17 00:00:00 2001
From: soulgalore <peter@soulgalore.com>
Date: Fri, 20 Apr 2018 21:50:23 +0200
Subject: [PATCH] add check for iterations and browser

---
 lib/cli/cli.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/cli/cli.js b/lib/cli/cli.js
index 96036a325..eca24ef21 100644
--- a/lib/cli/cli.js
+++ b/lib/cli/cli.js
@@ -19,6 +19,15 @@ function validateInput(argv) {
   if (argv.headless && (argv.video || argv.visualMetrics)) {
     return 'You cannot combine headless with video/visualMetrics because they need a screen to work.';
   }
+
+  if (Array.isArray(argv.browsertime.iterations)) {
+    return 'Ooops you passed number of iterations twice, remove one of them and try again.';
+  }
+
+  if (Array.isArray(argv.browser)) {
+    return 'You can only run with one browser at a time.';
+  }
+
   return true;
 }