Jeff Sharkey | 77a3450 | 2017-11-09 17:40:57 -0700 | [diff] [blame^] | 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 android.os; |
| 18 | |
| 19 | import static android.os.UserHandle.ERR_GID; |
| 20 | import static android.os.UserHandle.getAppId; |
| 21 | import static android.os.UserHandle.getCacheAppGid; |
| 22 | import static android.os.UserHandle.getSharedAppGid; |
| 23 | import static android.os.UserHandle.getUid; |
| 24 | import static android.os.UserHandle.getUserId; |
| 25 | |
| 26 | import static org.junit.Assert.assertEquals; |
| 27 | |
| 28 | import android.support.test.runner.AndroidJUnit4; |
| 29 | |
| 30 | import org.junit.Test; |
| 31 | import org.junit.runner.RunWith; |
| 32 | |
| 33 | @RunWith(AndroidJUnit4.class) |
| 34 | public class UserHandleTest { |
| 35 | // NOTE: keep logic in sync with system/core/libcutils/tests/multiuser_test.cpp |
| 36 | |
| 37 | @Test |
| 38 | public void testMerge() throws Exception { |
| 39 | EXPECT_EQ(0, multiuser_get_uid(0, 0)); |
| 40 | EXPECT_EQ(1000, multiuser_get_uid(0, 1000)); |
| 41 | EXPECT_EQ(10000, multiuser_get_uid(0, 10000)); |
| 42 | EXPECT_EQ(50000, multiuser_get_uid(0, 50000)); |
| 43 | EXPECT_EQ(1000000, multiuser_get_uid(10, 0)); |
| 44 | EXPECT_EQ(1001000, multiuser_get_uid(10, 1000)); |
| 45 | EXPECT_EQ(1010000, multiuser_get_uid(10, 10000)); |
| 46 | EXPECT_EQ(1050000, multiuser_get_uid(10, 50000)); |
| 47 | } |
| 48 | |
| 49 | @Test |
| 50 | public void testSplitUser() throws Exception { |
| 51 | EXPECT_EQ(0, multiuser_get_user_id(0)); |
| 52 | EXPECT_EQ(0, multiuser_get_user_id(1000)); |
| 53 | EXPECT_EQ(0, multiuser_get_user_id(10000)); |
| 54 | EXPECT_EQ(0, multiuser_get_user_id(50000)); |
| 55 | EXPECT_EQ(10, multiuser_get_user_id(1000000)); |
| 56 | EXPECT_EQ(10, multiuser_get_user_id(1001000)); |
| 57 | EXPECT_EQ(10, multiuser_get_user_id(1010000)); |
| 58 | EXPECT_EQ(10, multiuser_get_user_id(1050000)); |
| 59 | } |
| 60 | |
| 61 | @Test |
| 62 | public void testSplitApp() throws Exception { |
| 63 | EXPECT_EQ(0, multiuser_get_app_id(0)); |
| 64 | EXPECT_EQ(1000, multiuser_get_app_id(1000)); |
| 65 | EXPECT_EQ(10000, multiuser_get_app_id(10000)); |
| 66 | EXPECT_EQ(50000, multiuser_get_app_id(50000)); |
| 67 | EXPECT_EQ(0, multiuser_get_app_id(1000000)); |
| 68 | EXPECT_EQ(1000, multiuser_get_app_id(1001000)); |
| 69 | EXPECT_EQ(10000, multiuser_get_app_id(1010000)); |
| 70 | EXPECT_EQ(50000, multiuser_get_app_id(1050000)); |
| 71 | } |
| 72 | |
| 73 | @Test |
| 74 | public void testCache() throws Exception { |
| 75 | EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 0)); |
| 76 | EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 1000)); |
| 77 | EXPECT_EQ(20000, multiuser_get_cache_gid(0, 10000)); |
| 78 | EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 50000)); |
| 79 | EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 0)); |
| 80 | EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 1000)); |
| 81 | EXPECT_EQ(1020000, multiuser_get_cache_gid(10, 10000)); |
| 82 | EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 50000)); |
| 83 | } |
| 84 | |
| 85 | @Test |
| 86 | public void testShared() throws Exception { |
| 87 | EXPECT_EQ(0, multiuser_get_shared_gid(0, 0)); |
| 88 | EXPECT_EQ(1000, multiuser_get_shared_gid(0, 1000)); |
| 89 | EXPECT_EQ(50000, multiuser_get_shared_gid(0, 10000)); |
| 90 | EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(0, 50000)); |
| 91 | EXPECT_EQ(0, multiuser_get_shared_gid(10, 0)); |
| 92 | EXPECT_EQ(1000, multiuser_get_shared_gid(10, 1000)); |
| 93 | EXPECT_EQ(50000, multiuser_get_shared_gid(10, 10000)); |
| 94 | EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(10, 50000)); |
| 95 | } |
| 96 | |
| 97 | private static void EXPECT_EQ(int expected, int actual) { |
| 98 | assertEquals(expected, actual); |
| 99 | } |
| 100 | |
| 101 | private static int multiuser_get_uid(int userId, int appId) { |
| 102 | return getUid(userId, appId); |
| 103 | } |
| 104 | |
| 105 | private static int multiuser_get_cache_gid(int userId, int appId) { |
| 106 | return getCacheAppGid(userId, appId); |
| 107 | } |
| 108 | |
| 109 | private static int multiuser_get_shared_gid(int userId, int appId) { |
| 110 | return getSharedAppGid(userId, appId); |
| 111 | } |
| 112 | |
| 113 | private static int multiuser_get_user_id(int uid) { |
| 114 | return getUserId(uid); |
| 115 | } |
| 116 | |
| 117 | private static int multiuser_get_app_id(int uid) { |
| 118 | return getAppId(uid); |
| 119 | } |
| 120 | } |