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 <sys/timex.h>
18 
19 #include <errno.h>
20 
21 #include <gtest/gtest.h>
22 
TEST(sys_timex,adjtimex_smoke)23 TEST(sys_timex, adjtimex_smoke) {
24   timex t;
25   memset(&t, 0, sizeof(t));
26   // adjtimex/clock_adjtime return the clock state on success, -1 on failure.
27   ASSERT_NE(-1, adjtimex(&t));
28 }
29 
TEST(sys_timex,adjtimex_EFAULT)30 TEST(sys_timex, adjtimex_EFAULT) {
31   errno = 0;
32   ASSERT_EQ(-1, adjtimex(nullptr));
33   ASSERT_EQ(EFAULT, errno);
34 }
35 
TEST(sys_timex,clock_adjtime_smoke)36 TEST(sys_timex, clock_adjtime_smoke) {
37   timex t;
38   memset(&t, 0, sizeof(t));
39   // adjtimex/clock_adjtime return the clock state on success, -1 on failure.
40   ASSERT_NE(-1, clock_adjtime(CLOCK_REALTIME, &t));
41 }
42 
TEST(sys_timex,clock_adjtime_EFAULT)43 TEST(sys_timex, clock_adjtime_EFAULT) {
44   errno = 0;
45   ASSERT_EQ(-1, clock_adjtime(CLOCK_REALTIME, nullptr));
46   ASSERT_EQ(EFAULT, errno);
47 }
48