1 /**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <fcntl.h>
17 #include <stdlib.h>
18 #include <unistd.h>
19 #include "functionalext.h"
20
21 const int32_t CREAT_MODE = 666;
22
23 /**
24 * @tc.name : linkat_0100
25 * @tc.desc : Vertify linkat process success.
26 * @tc.level : Level 0
27 */
linkat_0100(void)28 void linkat_0100(void)
29 {
30 int fd1 = creat("/etc/test.txt", CREAT_MODE);
31 int fd2 = -1;
32 if (fd1 < 0) {
33 EXPECT_MT("linkat_0100", fd1, 0);
34 return;
35 } else {
36 close(fd1);
37 }
38 int result = linkat(fd1, "/etc/test.txt", fd2, "/etc/linkat.txt", AT_SYMLINK_FOLLOW);
39 EXPECT_EQ("linkat_0100", result, 0);
40 EXPECT_EQ("linkat_0100", access("/etc/linkat.txt", F_OK), 0);
41 system("rm -f /etc/linkat.txt");
42 }
43
44 /**
45 * @tc.name : linkat_0200
46 * @tc.desc : Vertify linkat process fail. Beceause creating a hard linkat file with the same name.
47 * @tc.level : Level 2
48 */
linkat_0200(void)49 void linkat_0200(void)
50 {
51 int fd1 = creat("/etc/test.txt", CREAT_MODE);
52 int fd2 = -1;
53 if (access("/etc/linkat.txt", F_OK) != 0) {
54 system("touch /etc/test.txt");
55 if (fd1 < 0) {
56 EXPECT_MT("linkat_0100", fd1, 0);
57 return;
58 } else {
59 close(fd1);
60 }
61 int result = linkat(fd1, "/etc/test.txt", fd2, "/etc/linkat.txt", AT_SYMLINK_FOLLOW);
62 EXPECT_EQ("linkat_0200", result, 0);
63 }
64 EXPECT_NE("linkat_0200", linkat(fd1, "/etc/test.txt", fd2, "/etc/linkat.txt", AT_SYMLINK_FOLLOW), 0);
65 EXPECT_EQ("linkat_0200", errno, EEXIST);
66 system("rm -f /etc/linkat.txt");
67 }
68
69 /**
70 * @tc.name : linkat_0300
71 * @tc.desc : Vertify linkat process fail. Beceause param is invalid.
72 * @tc.level : Level 2
73 */
linkat_0300(void)74 void linkat_0300(void)
75 {
76 int result = linkat(-1, NULL, -1, NULL, -1);
77 EXPECT_EQ("linkat_0300", result, ERREXPECT);
78 EXPECT_EQ("linkat_0300", errno, EINVAL);
79
80 if (access("/etc/test.txt", F_OK) == 0) {
81 system("rm -f /etc/test.txt");
82 }
83
84 if (access("/etc/linkat.txt", F_OK) == 0) {
85 system("rm -f /etc/linkat.txt");
86 }
87 }
88
main(void)89 int main(void)
90 {
91 linkat_0100();
92 linkat_0200();
93 linkat_0300();
94 return t_status;
95 }