| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| package android.os; |
| |
| import static android.os.UserHandle.ERR_GID; |
| import static android.os.UserHandle.getAppId; |
| import static android.os.UserHandle.getCacheAppGid; |
| import static android.os.UserHandle.getSharedAppGid; |
| import static android.os.UserHandle.getUid; |
| import static android.os.UserHandle.getUserId; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| public class UserHandleTest { |
| // NOTE: keep logic in sync with system/core/libcutils/tests/multiuser_test.cpp |
| |
| @Test |
| public void testMerge() throws Exception { |
| EXPECT_EQ(0, multiuser_get_uid(0, 0)); |
| EXPECT_EQ(1000, multiuser_get_uid(0, 1000)); |
| EXPECT_EQ(10000, multiuser_get_uid(0, 10000)); |
| EXPECT_EQ(50000, multiuser_get_uid(0, 50000)); |
| EXPECT_EQ(1000000, multiuser_get_uid(10, 0)); |
| EXPECT_EQ(1001000, multiuser_get_uid(10, 1000)); |
| EXPECT_EQ(1010000, multiuser_get_uid(10, 10000)); |
| EXPECT_EQ(1050000, multiuser_get_uid(10, 50000)); |
| } |
| |
| @Test |
| public void testSplitUser() throws Exception { |
| EXPECT_EQ(0, multiuser_get_user_id(0)); |
| EXPECT_EQ(0, multiuser_get_user_id(1000)); |
| EXPECT_EQ(0, multiuser_get_user_id(10000)); |
| EXPECT_EQ(0, multiuser_get_user_id(50000)); |
| EXPECT_EQ(10, multiuser_get_user_id(1000000)); |
| EXPECT_EQ(10, multiuser_get_user_id(1001000)); |
| EXPECT_EQ(10, multiuser_get_user_id(1010000)); |
| EXPECT_EQ(10, multiuser_get_user_id(1050000)); |
| } |
| |
| @Test |
| public void testSplitApp() throws Exception { |
| EXPECT_EQ(0, multiuser_get_app_id(0)); |
| EXPECT_EQ(1000, multiuser_get_app_id(1000)); |
| EXPECT_EQ(10000, multiuser_get_app_id(10000)); |
| EXPECT_EQ(50000, multiuser_get_app_id(50000)); |
| EXPECT_EQ(0, multiuser_get_app_id(1000000)); |
| EXPECT_EQ(1000, multiuser_get_app_id(1001000)); |
| EXPECT_EQ(10000, multiuser_get_app_id(1010000)); |
| EXPECT_EQ(50000, multiuser_get_app_id(1050000)); |
| } |
| |
| @Test |
| public void testCache() throws Exception { |
| EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 0)); |
| EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 1000)); |
| EXPECT_EQ(20000, multiuser_get_cache_gid(0, 10000)); |
| EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 50000)); |
| EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 0)); |
| EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 1000)); |
| EXPECT_EQ(1020000, multiuser_get_cache_gid(10, 10000)); |
| EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 50000)); |
| } |
| |
| @Test |
| public void testShared() throws Exception { |
| EXPECT_EQ(0, multiuser_get_shared_gid(0, 0)); |
| EXPECT_EQ(1000, multiuser_get_shared_gid(0, 1000)); |
| EXPECT_EQ(50000, multiuser_get_shared_gid(0, 10000)); |
| EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(0, 50000)); |
| EXPECT_EQ(0, multiuser_get_shared_gid(10, 0)); |
| EXPECT_EQ(1000, multiuser_get_shared_gid(10, 1000)); |
| EXPECT_EQ(50000, multiuser_get_shared_gid(10, 10000)); |
| EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(10, 50000)); |
| } |
| |
| private static void EXPECT_EQ(int expected, int actual) { |
| assertEquals(expected, actual); |
| } |
| |
| private static int multiuser_get_uid(int userId, int appId) { |
| return getUid(userId, appId); |
| } |
| |
| private static int multiuser_get_cache_gid(int userId, int appId) { |
| return getCacheAppGid(userId, appId); |
| } |
| |
| private static int multiuser_get_shared_gid(int userId, int appId) { |
| return getSharedAppGid(userId, appId); |
| } |
| |
| private static int multiuser_get_user_id(int uid) { |
| return getUserId(uid); |
| } |
| |
| private static int multiuser_get_app_id(int uid) { |
| return getAppId(uid); |
| } |
| } |