From 08029c7b72a857ffe52f302ed79ae12db9efcc08 Mon Sep 17 00:00:00 2001
From: Dhruv Manek
Date: Sun, 18 Dec 2011 18:33:25 -0800
Subject: fix(angular.copy): throw Error if source and destination are
 identical

Closes #693
---
 test/AngularSpec.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test')

diff --git a/test/AngularSpec.js b/test/AngularSpec.js
index 1cb6af5e..70997240 100644
--- a/test/AngularSpec.js
+++ b/test/AngularSpec.js
@@ -65,6 +65,14 @@ describe('angular', function() {
     it('should throw an exception if a Window is being copied', function() {
       expect(function() { copy(window); }).toThrow("Can't copy Window or Scope");
     });
+
+    it('should throw an exception when source and destination are equivalent', function() {
+      var src, dst;
+	    src = dst = {key: 'value'};
+      expect(function() { copy(src, dst); }).toThrow("Can't copy equivalent objects or arrays");
+      src = dst = [2, 4];
+      expect(function() { copy(src, dst); }).toThrow("Can't copy equivalent objects or arrays");
+    });
   });
 
   describe('equals', function() {
-- 
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