fixed for igor

Author: matsko

src/ng/directive/ngSwitch.js

@@ -145,20 +145,17 @@ var ngSwitchDirective = ['$animate', function($animate) {
           selectedScopes = [];
 
       scope.$watch(watchExpr, function ngSwitchWatchAction(value) {
-        var i, ii, promise;
+        var i, ii;
         for (i = 0, ii = previousLeaveAnimations.length; i < ii; ++i) {
-          promise = previousLeaveAnimations[i];
-          if (promise) {
-            $animate.cancel(promise);
-          }
+          $animate.cancel(previousLeaveAnimations[i]);
         }
         previousLeaveAnimations.length = 0;
 
         for (i = 0, ii = selectedScopes.length; i < ii; ++i) {
           var selected = getBlockNodes(selectedElements[i].clone);
           selectedScopes[i].$destroy();
 
-          promise = previousLeaveAnimations[i] = $animate.leave(selected);
+          var promise = previousLeaveAnimations[i] = $animate.leave(selected);
           promise.then(function() {
             previousLeaveAnimations.splice(i, 1);
           });

test/ng/directive/ngSwitchSpec.js

@@ -370,8 +370,6 @@ describe('ngSwitch animation', function() {
 
         $scope.$apply('inc = "one"');
 
-        $scope.$apply('inc = "two"');
-
         expect(destroyed).toBe(true);
       });
     });