Fix bug in noDifferences function to ensure

that lengths of array are equal.

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"});
 };

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": [

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() {