1 /* 2 * Copyright (C) 2017 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.systemui.settings; 18 19 import android.content.Intent; 20 import android.support.test.filters.SmallTest; 21 22 import com.android.systemui.SysuiTestCase; 23 24 import org.junit.Before; 25 import org.junit.Test; 26 27 /** 28 * Testing functionality of the current user tracker 29 */ 30 @SmallTest 31 public class CurrentUserTrackerTest extends SysuiTestCase { 32 33 private CurrentUserTracker mTracker; 34 private CurrentUserTracker.UserReceiver mReceiver; 35 36 @Before 37 public void setUp() { 38 mReceiver = new CurrentUserTracker.UserReceiver(getContext()); 39 mTracker = new CurrentUserTracker(mReceiver) { 40 @Override 41 public void onUserSwitched(int newUserId) { 42 stopTracking(); 43 } 44 }; 45 } 46 47 @Test 48 public void testBroadCastDoesntCrashOnConcurrentModification() { 49 mTracker.startTracking(); 50 CurrentUserTracker secondTracker = new CurrentUserTracker(mReceiver) { 51 @Override 52 public void onUserSwitched(int newUserId) { 53 stopTracking(); 54 } 55 }; 56 secondTracker.startTracking(); 57 triggerUserSwitch(); 58 } 59 /** 60 * Simulates a user switch event. 61 */ 62 private void triggerUserSwitch() { 63 Intent intent = new Intent(Intent.ACTION_USER_SWITCHED); 64 intent.putExtra(Intent.EXTRA_USER_HANDLE, 1); 65 mReceiver.onReceive(getContext(), intent); 66 } 67 } 68
