1 /* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include "It_test_sys.h"
31
TestCase(VOID)32 static UINT32 TestCase(VOID)
33 {
34 int ret, status;
35
36 pid_t pid = fork();
37 if (pid == 0) {
38 ret = setpriority(PRIO_PROCESS, 0, 15); /* 15, set priority for test */
39 if (ret != 0) {
40 exit(0);
41 }
42 ret = nice(0);
43 exit(ret);
44 } else {
45 ret = waitpid(pid, &status, 0);
46 ICUNIT_ASSERT_EQUAL(ret, pid, ret);
47 status = WEXITSTATUS(status);
48 ICUNIT_ASSERT_EQUAL(status, 15, status); /* 15, set priority for test */
49
50 ret = nice(-40); /* -40, set invalid priority for test */
51 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
52 ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
53 }
54 return 0;
55 }
56
ItTestSys028(VOID)57 VOID ItTestSys028(VOID)
58 {
59 TEST_ADD_CASE(ItTestSys028, TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
60 }
61