platform_bionic/tests/sys_timex_test.cpp

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/*
* Copyright (C) 2016 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.
*/
#include <sys/timex.h>
#include <errno.h>
#include <gtest/gtest.h>
TEST(sys_timex, adjtimex_smoke) {
timex t;
memset(&t, 0, sizeof(t));
// adjtimex/clock_adjtime return the clock state on success, -1 on failure.
ASSERT_NE(-1, adjtimex(&t));
}
TEST(sys_timex, adjtimex_EFAULT) {
errno = 0;
ASSERT_EQ(-1, adjtimex(nullptr));
ASSERT_EQ(EFAULT, errno);
}
TEST(sys_timex, clock_adjtime_smoke) {
timex t;
memset(&t, 0, sizeof(t));
// adjtimex/clock_adjtime return the clock state on success, -1 on failure.
ASSERT_NE(-1, clock_adjtime(CLOCK_REALTIME, &t));
}
TEST(sys_timex, clock_adjtime_EFAULT) {
errno = 0;
ASSERT_EQ(-1, clock_adjtime(CLOCK_REALTIME, nullptr));
ASSERT_EQ(EFAULT, errno);
}