From 184db875cd7d27de64b0e7060d77fc7431d49498 Mon Sep 17 00:00:00 2001
From: Yoshi Huang <allstars.chh@mozilla.com>
Date: Mon, 14 Jul 2014 18:57:12 +0800
Subject: [PATCH] Bug 933588 - Part 3: update test cases. r=dimi

---
 dom/nfc/tests/marionette/head.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dom/nfc/tests/marionette/head.js b/dom/nfc/tests/marionette/head.js
index 329a2cdddfc..30482f25816 100644
--- a/dom/nfc/tests/marionette/head.js
+++ b/dom/nfc/tests/marionette/head.js
@@ -228,6 +228,10 @@ const NDEF = {
       fields.forEach(function(value) {
         let field1 = Cu.waiveXrays(record1)[value];
         let field2 = Cu.waiveXrays(record2)[value];
+        if (!field1 || !field2) {
+          return;
+        }
+
         is(field1.length, field2.length,
            value + " fields have the same length");
         let eq = true;