From 0aba472b36c022836d6860d31bc629dbf0c05b0b Mon Sep 17 00:00:00 2001
From: David Von Lehman <david.vonlehman@nordstrom.com>
Date: Thu, 16 Jul 2015 10:24:24 -0700
Subject: [PATCH] Fix bug in noDifferences function to ensure that lengths of
 array are equal.

---
 index.js       | 3 +++
 package.json   | 2 +-
 test/assert.js | 4 ++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 89f03c0..d40bd6f 100644
--- a/index.js
+++ b/index.js
@@ -44,6 +44,9 @@ assert.noDifferences = function(array, otherArray) {
   if (!(_.isArray(array) && _.isArray(otherArray)))
     throw new Error("Both arguments must be arrays");
 
+  if (array.length !== otherArray.length)
+    throw new assert.AssertionError({message: "Arrays are not the same length"});
+
   if (_.difference(array, otherArray).length > 0)
     throw new assert.AssertionError({message: "Arrays have differences"});
 };
diff --git a/package.json b/package.json
index 3460b0d..f6ea404 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dash-assert",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Assertion wrapper around lodash",
   "main": "index.js",
   "keywords": [
diff --git a/test/assert.js b/test/assert.js
index 01cc2b9..6456460 100644
--- a/test/assert.js
+++ b/test/assert.js
@@ -63,6 +63,10 @@ describe('dash-assert', function() {
     assert.throws(function() {
       assert.noDifferences([1, 2, 3], [2, 3, 4]);
     });
+
+    assert.throws(function() {
+      assert.noDifferences([], [1, 2, 3]);
+    });
   });
 
   it('hasIntersect', function() {