1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.testing.shadows; 18 19 import android.app.SystemServiceRegistry; 20 import android.app.job.JobSchedulerFrameworkInitializer; 21 22 import org.robolectric.annotation.Implementation; 23 import org.robolectric.annotation.Implements; 24 import org.robolectric.util.ReflectionHelpers; 25 26 /** 27 * Shadow of {@link SystemServiceRegistry} 28 * 29 * <p>JobSchedulerFrameworkInitializer contains a static initializer registering JobScheduler as a 30 * system service. We need to make sure the initializer is run before the tests that use 31 * JobScheduler. And we're putting this on the static initializer of SystemServiceRegistry since 32 * other services are registered here. 33 */ 34 @Implements(className = "android.app.SystemServiceRegistry") 35 public class ShadowSystemServiceRegistry { 36 @Implementation __staticInitializer__()37 protected static void __staticInitializer__() { 38 // Make sure the static init in the real class is still executed. 39 ReflectionHelpers.callStaticMethod(SystemServiceRegistry.class, "__staticInitializer__"); 40 try { 41 Class.forName(JobSchedulerFrameworkInitializer.class.getCanonicalName()); 42 } catch (ClassNotFoundException e) { 43 // Rethrowing as an unchecked exception because checked exceptions are not allowed in 44 // static blocks. 45 throw new ExceptionInInitializerError(e); 46 } 47 } 48 } 49