1/*
2 * Copyright (C) 2016 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#include <cutils/multiuser.h>
18#include <gtest/gtest.h>
19
20static constexpr auto ERR_GID = static_cast<gid_t>(-1);
21
22TEST(MultiuserTest, TestMerge) {
23    EXPECT_EQ(0U, multiuser_get_uid(0, 0));
24    EXPECT_EQ(1000U, multiuser_get_uid(0, 1000));
25    EXPECT_EQ(10000U, multiuser_get_uid(0, 10000));
26    EXPECT_EQ(50000U, multiuser_get_uid(0, 50000));
27    EXPECT_EQ(1000000U, multiuser_get_uid(10, 0));
28    EXPECT_EQ(1001000U, multiuser_get_uid(10, 1000));
29    EXPECT_EQ(1010000U, multiuser_get_uid(10, 10000));
30    EXPECT_EQ(1050000U, multiuser_get_uid(10, 50000));
31}
32
33TEST(MultiuserTest, TestSplitUser) {
34    EXPECT_EQ(0U, multiuser_get_user_id(0));
35    EXPECT_EQ(0U, multiuser_get_user_id(1000));
36    EXPECT_EQ(0U, multiuser_get_user_id(10000));
37    EXPECT_EQ(0U, multiuser_get_user_id(50000));
38    EXPECT_EQ(10U, multiuser_get_user_id(1000000));
39    EXPECT_EQ(10U, multiuser_get_user_id(1001000));
40    EXPECT_EQ(10U, multiuser_get_user_id(1010000));
41    EXPECT_EQ(10U, multiuser_get_user_id(1050000));
42}
43
44TEST(MultiuserTest, TestSplitApp) {
45    EXPECT_EQ(0U, multiuser_get_app_id(0));
46    EXPECT_EQ(1000U, multiuser_get_app_id(1000));
47    EXPECT_EQ(10000U, multiuser_get_app_id(10000));
48    EXPECT_EQ(50000U, multiuser_get_app_id(50000));
49    EXPECT_EQ(0U, multiuser_get_app_id(1000000));
50    EXPECT_EQ(1000U, multiuser_get_app_id(1001000));
51    EXPECT_EQ(10000U, multiuser_get_app_id(1010000));
52    EXPECT_EQ(50000U, multiuser_get_app_id(1050000));
53}
54
55TEST(MultiuserTest, TestCache) {
56    EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 0));
57    EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 1000));
58    EXPECT_EQ(20000U, multiuser_get_cache_gid(0, 10000));
59    EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(0, 50000));
60    EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 0));
61    EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 1000));
62    EXPECT_EQ(1020000U, multiuser_get_cache_gid(10, 10000));
63    EXPECT_EQ(ERR_GID, multiuser_get_cache_gid(10, 50000));
64}
65
66TEST(MultiuserTest, TestExt) {
67    EXPECT_EQ(ERR_GID, multiuser_get_ext_gid(0, 0));
68    EXPECT_EQ(ERR_GID, multiuser_get_ext_gid(0, 1000));
69    EXPECT_EQ(30000U, multiuser_get_ext_gid(0, 10000));
70    EXPECT_EQ(ERR_GID, multiuser_get_ext_gid(0, 50000));
71    EXPECT_EQ(1030000U, multiuser_get_ext_gid(10, 10000));
72}
73
74TEST(MultiuserTest, TestExtCache) {
75    EXPECT_EQ(ERR_GID, multiuser_get_ext_cache_gid(0, 0));
76    EXPECT_EQ(ERR_GID, multiuser_get_ext_cache_gid(0, 1000));
77    EXPECT_EQ(40000U, multiuser_get_ext_cache_gid(0, 10000));
78    EXPECT_EQ(ERR_GID, multiuser_get_ext_cache_gid(0, 50000));
79    EXPECT_EQ(1040000U, multiuser_get_ext_cache_gid(10, 10000));
80}
81
82TEST(MultiuserTest, TestShared) {
83    EXPECT_EQ(0U, multiuser_get_shared_gid(0, 0));
84    EXPECT_EQ(1000U, multiuser_get_shared_gid(0, 1000));
85    EXPECT_EQ(50000U, multiuser_get_shared_gid(0, 10000));
86    EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(0, 50000));
87    EXPECT_EQ(0U, multiuser_get_shared_gid(10, 0));
88    EXPECT_EQ(1000U, multiuser_get_shared_gid(10, 1000));
89    EXPECT_EQ(50000U, multiuser_get_shared_gid(10, 10000));
90    EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(10, 50000));
91}
92