1 files changed, 4 insertions, 0 deletions
diff --git a/test/AngularSpec.js b/test/AngularSpec.js
index 81a4901b..53f62f00 100644
--- a/test/AngularSpec.js
+++ b/test/AngularSpec.js
@@ -110,6 +110,10 @@ describe('angular', function() {
 
       expect(equals(undefined, undefined)).toBe(true);
     });
+
+    it('should treat two NaNs as equal', function() {
+      expect(equals(NaN, NaN)).toBe(true);
+    });
   });
 
   describe('size', function() {