From ca88fcda5c9f32efb53cf6770d7e77d39c628a67 Mon Sep 17 00:00:00 2001
From: Genadi Samokovarov <gsamokovarov@gmail.com>
Date: Thu, 20 Dec 2012 15:18:04 +0200
Subject: [PATCH] Add test for #1989

---
 test/model.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/model.js b/test/model.js
index ba5e1ebcd..92f85acd6 100644
--- a/test/model.js
+++ b/test/model.js
@@ -593,6 +593,13 @@ $(document).ready(function() {
     ok(model.get('x') === a);
   });
 
+  test("set same value does not trigger change", 0, function() {
+    var model = new Backbone.Model({x: 1});
+    model.on('change change:x', function() { ok(false); });
+    model.set({x: 1});
+    model.set({x: 1});
+  });
+
   test("unset does not fire a change for undefined attributes", 0, function() {
     var model = new Backbone.Model({x: undefined});
     model.on('change:x', function(){ ok(false); });