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 android.cts.backup.profilekeyvalueapp; 18 19 import static androidx.test.InstrumentationRegistry.getTargetContext; 20 21 import static com.google.common.truth.Truth.assertThat; 22 23 import android.content.Context; 24 import android.content.SharedPreferences; 25 import android.platform.test.annotations.AppModeFull; 26 27 import androidx.test.runner.AndroidJUnit4; 28 29 import org.junit.Before; 30 import org.junit.Test; 31 import org.junit.runner.RunWith; 32 33 /** Device side test invoked by profile host side tests. */ 34 @RunWith(AndroidJUnit4.class) 35 @AppModeFull 36 public class ProfileKeyValueBackupRestoreTest { 37 static final String TEST_PREFS_NAME = "user-test-prefs"; 38 private static final String PREFS_USER_KEY = "userId"; 39 private static final int PREFS_USER_DEFAULT = -1000; 40 41 private int mUserId; 42 private SharedPreferences mPreferences; 43 44 @Before 45 public void setUp() { 46 Context context = getTargetContext(); 47 mUserId = context.getUserId(); 48 mPreferences = context.getSharedPreferences(TEST_PREFS_NAME, Context.MODE_PRIVATE); 49 } 50 51 @Test 52 public void assertSharedPrefsIsEmpty() { 53 int userIdPref = mPreferences.getInt(PREFS_USER_KEY, PREFS_USER_DEFAULT); 54 assertThat(userIdPref).isEqualTo(PREFS_USER_DEFAULT); 55 } 56 57 @Test 58 public void writeSharedPrefsAndAssertSuccess() { 59 SharedPreferences.Editor editor = mPreferences.edit(); 60 editor.putInt(PREFS_USER_KEY, mUserId); 61 assertThat(editor.commit()).isTrue(); 62 } 63 64 @Test 65 public void assertSharedPrefsRestored() { 66 int userIdPref = mPreferences.getInt(PREFS_USER_KEY, PREFS_USER_DEFAULT); 67 assertThat(userIdPref).isEqualTo(mUserId); 68 } 69 } 70
