fix(injector): support getRootInjectors on dehydrated injectors.

rkirov · rkirov · commit 92da5430e7c8 · 2015-08-24T02:41:43.000Z
Closes #3760
diff --git a/modules/angular2/src/core/compiler/element_injector.ts b/modules/angular2/src/core/compiler/element_injector.ts
@@ -854,6 +854,7 @@ export class ElementInjector extends TreeNode<ElementInjector> implements Depend
   getBoundElementIndex(): number { return this._proto.index; }
 
   getRootViewInjectors(): ElementInjector[] {
+    if (!this.hydrated) return [];
     var view = this._preBuiltObjects.view;
     var nestedView = view.getNestedView(view.elementOffset + this.getBoundElementIndex());
     return isPresent(nestedView) ? nestedView.rootElementInjectors : [];
diff --git a/modules/angular2/test/core/compiler/element_injector_spec.ts b/modules/angular2/test/core/compiler/element_injector_spec.ts
@@ -864,6 +864,12 @@ export function main() {
             var inj = injector(extraBindings);
             expect(inj.getRootViewInjectors()).toEqual([]);
           });
+
+          it("should return an empty array on a dehydrated view", () => {
+            var inj = injector(extraBindings);
+            inj.dehydrate();
+            expect(inj.getRootViewInjectors()).toEqual([]);
+          });
         });
 
         describe("dehydrate", () => {
