1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include "lt_clock_test.h"
32
ClockSmokeTest(void)33 static int ClockSmokeTest(void)
34 {
35 clockid_t clk = CLOCK_REALTIME;
36 struct timespec res = {0,0}, setts = {0,0}, oldtp = {0,0}, ts = {0,0};
37 int ret;
38 int passflag = 0;
39
40 /* get clock resolution */
41 ret = clock_getres(clk, &res);
42 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
43 ICUNIT_ASSERT_EQUAL(res.tv_sec, CLOCK_RES_SEC, res.tv_sec);
44 ICUNIT_ASSERT_EQUAL(res.tv_nsec, CLOCK_RES_NSEC, res.tv_nsec);
45
46 /* get clock realtime */
47 ret = clock_gettime(clk, &oldtp);
48 printf("the clock current time: %lld second, %ld nanosecond\n", oldtp.tv_sec, oldtp.tv_nsec);
49 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
50
51 /* set clock realtime */
52 setts.tv_sec = oldtp.tv_sec + 1;
53 setts.tv_nsec = oldtp.tv_nsec;
54 printf("the clock setting time: %lld second, %ld nanosecond\n", setts.tv_sec, setts.tv_nsec);
55 ret = clock_settime(CLOCK_REALTIME, &setts);
56 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
57 ret = clock_gettime(clk, &ts);
58 printf("obtaining the current time after setting: %lld second, %ld nanosecond\n", ts.tv_sec, ts.tv_nsec);
59 passflag = (ts.tv_sec >= setts.tv_sec) && (ts.tv_sec <= setts.tv_sec + 1); // 1, means obtaining time's errno is 1 second.
60 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
61 ICUNIT_ASSERT_EQUAL(passflag, true, passflag);
62 return 0;
63 }
64
ClockTestSmoke(void)65 void ClockTestSmoke(void)
66 {
67 TEST_ADD_CASE(__FUNCTION__, ClockSmokeTest, TEST_POSIX, TEST_TIMES, TEST_LEVEL0, TEST_FUNCTION);
68 }
69
70