$cookies service should not call $eval during $eval

- added comment
- removed $eval call
- changed the code to not require $eval
- updated specs

src/services.js

@@ -1118,6 +1118,8 @@ angularServiceInject('$cookies', function($browser) {
   })();
 
   //at the end of each eval, push cookies
+  //TODO: this should happen before the "delayed" watches fire, because if some cookies are not
+  //      strings or browser refuses to store some cookies, we update the model in the push fn.
   this.$onEval(PRIORITY_LAST, push);
 
   return cookies;
@@ -1128,6 +1130,7 @@ angularServiceInject('$cookies', function($browser) {
    */
   function push(){
     var name,
+        value,
         browserCookies,
         updated;
 
@@ -1140,15 +1143,22 @@ angularServiceInject('$cookies', function($browser) {
 
     //update all cookies updated in $cookies
     for(name in cookies) {
-      if (cookies[name] !== lastCookies[name]) {
-        $browser.cookies(name, cookies[name]);
+      value = cookies[name];
+      if (!isString(value)) {
+        if (isDefined(lastCookies[name])) {
+          cookies[name] = lastCookies[name];
+        } else {
+          delete cookies[name];
+        }
+      } else if (value !== lastCookies[name]) {
+        $browser.cookies(name, value);
         updated = true;
       }
     }
 
     //verify what was actually stored
     if (updated){
-      updated = !updated;
+      updated = false;
       browserCookies = $browser.cookies();
 
       for (name in cookies) {
@@ -1161,11 +1171,6 @@ angularServiceInject('$cookies', function($browser) {
           }
           updated = true;
         }
-
-      }
-
-      if (updated) {
-        rootScope.$eval();
       }
     }
   }

test/servicesSpec.js

@@ -696,23 +696,17 @@ describe("service", function(){
     });
 
 
-    it('should ignore non-string values when asked to create a cookie', function() {
+    it('should drop or reset any cookie that was set to a non-string value', function() {
       scope.$cookies.nonString = [1, 2, 3];
+      scope.$cookies.nullVal = null;
+      scope.$cookies.undefVal = undefined;
+      scope.$cookies.preexisting = function(){};
       scope.$eval();
       expect($browser.cookies()).toEqual({'preexisting': 'oldCookie'});
       expect(scope.$cookies).toEqual({'preexisting': 'oldCookie'});
     });
 
 
-    it('should drop any null or undefined properties', function() {
-      scope.$cookies.nullVal = null;
-      scope.$cookies.undefVal = undefined;
-      scope.$eval();
-
-      expect($browser.cookies()).toEqual({'preexisting': 'oldCookie'});
-    });
-
-
     it('should remove a cookie when a $cookies property is deleted', function() {
       scope.$cookies.oatmealCookie = 'nom nom';
       scope.$eval();