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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_IO.h"
32 
Testcase(VOID)33 static UINT32 Testcase(VOID)
34 {
35     char *srcStr = "helloworld";
36     int nRet, fd;
37     char pathname[50]; // 50, path name size
38     char *filename = "/crtreadvtest1";
39     char buf1[6] = { 0 };
40     char buf2[6] = { 0 };
41     struct iovec iov[2]; // 2, read 2 block
42     ssize_t nread;
43     const int testStrLen = 10;
44     UINT32 ret;
45 
46     iov[0].iov_base = buf1;
47     iov[0].iov_len = sizeof(buf1) - 1;
48     iov[1].iov_base = buf2;
49     iov[1].iov_len = sizeof(buf2) - 1;
50 
51     (void)strncpy_s(pathname, 50, g_ioTestPath, 50); // 50, path name size
52     ret = strcat_s(pathname, 50, filename); // 50, path name buffer size
53     ICUNIT_ASSERT_EQUAL(ret, EOK, ret);
54     fd = open(pathname, O_CREAT | O_RDWR | O_TRUNC, 0666); // 0666, file authority
55     if (fd < 0) {
56         printf("error: can`t open file\n");
57     }
58     nRet = write(fd, srcStr, testStrLen);
59     ICUNIT_GOTO_EQUAL(nRet, testStrLen, nRet, EXIT);
60     close(fd);
61 
62     fd = open(pathname, O_RDWR);
63     if (fd < 0) {
64         printf("error: can`t open file\n");
65     }
66     nread = readv(fd, iov, 2); // 2, read 2 block
67     ICUNIT_GOTO_EQUAL(nread, testStrLen, nread, EXIT);
68     nRet = strcmp(buf2, "world");
69     ICUNIT_GOTO_EQUAL(nRet, 0, nRet, EXIT);
70     nRet = strcmp(buf1, "hello");
71     ICUNIT_GOTO_EQUAL(nRet, 0, nRet, EXIT);
72 
73     close(fd);
74     remove(pathname);
75     return LOS_OK;
76 EXIT:
77     close(fd);
78     remove(pathname);
79     return LOS_NOK;
80 }
81 
ItStdioReadv001(void)82 VOID ItStdioReadv001(void)
83 {
84     TEST_ADD_CASE(__FUNCTION__, Testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION);
85 }
86