From 8be6b12c2bc0b313f87e0a9d454ad174b5b285cb Mon Sep 17 00:00:00 2001
From: Marc Laval <mlaval@amadeus.com>
Date: Tue, 9 Aug 2016 16:20:26 +0200
Subject: [PATCH] test(router): use Object.isFrozen instead of relying on an
 exception

---
 modules/@angular/router/test/recognize.spec.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/@angular/router/test/recognize.spec.ts b/modules/@angular/router/test/recognize.spec.ts
index 7e1cc12250..fd84b55a29 100644
--- a/modules/@angular/router/test/recognize.spec.ts
+++ b/modules/@angular/router/test/recognize.spec.ts
@@ -24,7 +24,7 @@ describe('recognize', () => {
     checkRecognize([{path: 'a/:id', component: ComponentA}], 'a/10', (s: RouterStateSnapshot) => {
       checkActivatedRoute(s.root, '', {}, RootComponent);
       const child = s.firstChild(s.root);
-      expect(() => child.params['prop'] = 'new').toThrowError(/Can't add property/);
+      expect(Object.isFrozen(child.params)).toBeTruthy();
     });
   });
 
@@ -637,7 +637,7 @@ describe('recognize', () => {
 
     it('should freeze query params object', () => {
       checkRecognize([{path: 'a', component: ComponentA}], 'a?q=11', (s: RouterStateSnapshot) => {
-        expect(() => s.queryParams['prop'] = 'new').toThrowError(/Can't add property/);
+        expect(Object.isFrozen(s.queryParams)).toBeTruthy();
       });
     });
   });