test(router): add tests for router.d.ts

Closes #3282

modules/angular2/src/router/lifecycle_annotations.ts

@@ -5,6 +5,8 @@
 
 import {makeDecorator} from 'angular2/src/util/decorators';
 import {CanActivate as CanActivateAnnotation} from './lifecycle_annotations_impl';
+import {Promise} from 'angular2/src/facade/async';
+import {Instruction} from 'angular2/src/router/instruction';
 
 export {
   canReuse,
@@ -14,4 +16,6 @@ export {
   onDeactivate
 } from './lifecycle_annotations_impl';
 
-export var CanActivate = makeDecorator(CanActivateAnnotation);
+export var CanActivate:
+    (hook: (next: Instruction, prev: Instruction) => Promise<boolean>| boolean) => ClassDecorator =
+        makeDecorator(CanActivateAnnotation);

modules/angular2/src/router/location_strategy.ts

@@ -9,6 +9,6 @@ export class LocationStrategy {
   pushState(ctx: any, title: string, url: string): void { throw _abstract(); }
   forward(): void { throw _abstract(); }
   back(): void { throw _abstract(); }
-  onPopState(fn: (_) => any): void { throw _abstract(); }
+  onPopState(fn: (_: any) => any): void { throw _abstract(); }
   getBaseHref(): string { throw _abstract(); }
 }

modules/angular2/src/router/route_config_decorator.ts

@@ -1,5 +1,7 @@
-import {RouteConfig as RouteConfigAnnotation} from './route_config_impl';
+import {RouteConfig as RouteConfigAnnotation, RouteDefinition} from './route_config_impl';
 import {makeDecorator} from 'angular2/src/util/decorators';
+import {List} from 'angular2/src/facade/collection';
 
 export {Route, Redirect, AsyncRoute, RouteDefinition} from './route_config_impl';
-export var RouteConfig = makeDecorator(RouteConfigAnnotation);
+export var RouteConfig: (configs: List<RouteDefinition>) => ClassDecorator =
+    makeDecorator(RouteConfigAnnotation);