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 "it_test_shm.h"
32 #include "sys/types.h"
33
34 #define SHMNAME "shm_ram"
35
testcase(void)36 static int testcase(void)
37 {
38 int shmfd;
39 int ret;
40 int count;
41 int pageSize = getpagesize();
42 char *writebuf = NULL;
43 char *readbuf = NULL;
44
45 errno = 0;
46 shmfd = shm_open("test_2", O_RDONLY, 00664);
47 ICUNIT_ASSERT_EQUAL(shmfd, -1, shmfd);
48 ICUNIT_ASSERT_EQUAL(errno, 2, errno);
49
50 shmfd = shm_open("test_2", O_RDONLY | O_CREAT, 00664);
51 ICUNIT_ASSERT_NOT_EQUAL(shmfd, -1, shmfd);
52 writebuf = (char*)malloc(pageSize);
53 ICUNIT_ASSERT_NOT_EQUAL(writebuf, NULL, writebuf);
54 readbuf = (char*)malloc(pageSize);
55 ICUNIT_ASSERT_NOT_EQUAL(readbuf, NULL, readbuf);
56 memset_s(writebuf, pageSize, 0xf, pageSize);
57
58 errno = 0;
59
60 count = write(shmfd, writebuf, pageSize);
61 ICUNIT_ASSERT_EQUAL(count, -1, count);
62 ICUNIT_ASSERT_EQUAL(errno, EACCES, errno);
63 close(shmfd);
64 ret = shm_unlink("test_2");
65 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
66
67 shmfd = shm_open("test_3", O_WRONLY | O_CREAT, 00664);
68 ICUNIT_ASSERT_NOT_EQUAL(shmfd, -1, shmfd);
69 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
70 errno = 0;
71 count = write(shmfd, writebuf, pageSize);
72 ICUNIT_ASSERT_EQUAL(count, pageSize, count);
73
74 errno = 0;
75 count = read(shmfd, readbuf, pageSize);
76 ICUNIT_ASSERT_EQUAL(count, -1, count);
77 ICUNIT_ASSERT_EQUAL(errno, EACCES, errno);
78 free(writebuf);
79 free(readbuf);
80 close(shmfd);
81
82 ret = shm_unlink("test_3");
83 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
84
85 return 0;
86 }
87
it_test_shm_014(void)88 void it_test_shm_014(void)
89 {
90 TEST_ADD_CASE("IT_MEM_SHM_014", testcase, TEST_LOS, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
91 }