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 <signal.h>
17 #include <stdlib.h>
18 #include <sys/wait.h>
19 #include <unistd.h>
20 #include "functionalext.h"
21
22 /**
23 * @tc.name : link_0100
24 * @tc.desc : Determine whether the created connection is successful and whether the file exists
25 * @tc.level : Level 0
26 */
link_0100(void)27 void link_0100(void)
28 {
29 system("touch /etc/a.txt");
30 int result = link("/etc/a.txt", "/etc/a_link.txt");
31 EXPECT_EQ("link_0100", result, 0);
32 EXPECT_EQ("link_0100", access("/etc/a_link.txt", F_OK), 0);
33 system("rm -f /etc/a_link.txt");
34 }
35
36 /**
37 * @tc.name : link_0200
38 * @tc.desc : Determine whether the file is successfully created when creating a hard link file with the same name
39 * @tc.level : Level 2
40 */
link_0200(void)41 void link_0200(void)
42 {
43 if (access("/etc/a_link.txt", F_OK) != 0) {
44 int result = link("/etc/a.txt", "/etc/a_link.txt");
45 EXPECT_EQ("link_0200", result, 0);
46 }
47 EXPECT_NE("link_0200", link("/etc/a.txt", "/etc/a_link.txt"), 0);
48 EXPECT_EQ("link_0200", errno, EEXIST);
49 system("rm -f /etc/a_link.txt");
50 }
51
52 /**
53 * @tc.name : link_0300
54 * @tc.desc : Outlier judgment
55 * @tc.level : Level 2
56 */
link_0300(void)57 void link_0300(void)
58 {
59 int result = link(NULL, NULL);
60 EXPECT_EQ("link_0300", result, ERREXPECT);
61 EXPECT_EQ("link_0300", errno, EFAULT);
62
63 if (access("/etc/a.txt", F_OK) == 0) {
64 system("rm -f /etc/a.txt");
65 }
66
67 if (access("/etc/a_link.txt", F_OK) == 0) {
68 system("rm -f /etc/a_link.txt");
69 }
70 }
71
main(void)72 int main(void)
73 {
74 // link_0100();
75 // link_0200();
76 // link_0300();
77
78 return t_status;
79 }