| /** | 
 |  * @license | 
 |  * Copyright (C) 2020 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  * http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | import '../test/common-test-setup-karma.js'; | 
 | import {AppContext} from './app-context.js'; | 
 | import {createAppContext} from './app-context-init.js'; | 
 | import {Finalizable} from './registry'; | 
 |  | 
 | suite('app context initializer tests', () => { | 
 |   let appContext: AppContext & Finalizable; | 
 |   setup(() => { | 
 |     appContext = createAppContext(); | 
 |   }); | 
 |  | 
 |   teardown(() => { | 
 |     appContext.finalize(); | 
 |   }); | 
 |  | 
 |   test('all services initialized and are singletons', () => { | 
 |     Object.keys(appContext).forEach(serviceName => { | 
 |       const service = appContext[serviceName as keyof AppContext]; | 
 |       assert.isDefined(service); | 
 |       assert.isNotNull(service); | 
 |       const service2 = appContext[serviceName as keyof AppContext]; | 
 |       assert.strictEqual(service, service2); | 
 |     }); | 
 |   }); | 
 | }); |