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 <unistd.h>
18 #include "functionalext.h"
19
20 int successfully = 0;
21 int failed = -1;
22
23 /*
24 * @tc.name : daemon_0100
25 * @tc.desc : Verify that the working directory of the daemon can be changed (parameters is 0)
26 * @tc.level : Level 0
27 */
daemon_0100(void)28 void daemon_0100(void)
29 {
30 pid_t pid;
31 int result = daemon(0, 0);
32 EXPECT_EQ("daemon_0100", result, successfully);
33 }
34
35 /*
36 * @tc.name : daemon_0200
37 * @tc.desc : Verify that the working directory of the daemon can be changed (parameters is 7)
38 * @tc.level : Level 0
39 */
daemon_0200(void)40 void daemon_0200(void)
41 {
42 pid_t pid;
43 int result = daemon(7, 0);
44 EXPECT_EQ("daemon_0200", result, successfully);
45 int fd = open("/dev/null", O_RDWR);
46 EXPECT_EQ("daemon_0200", fd, successfully);
47 }
48
49 /*
50 * @tc.name : daemon_0300
51 * @tc.desc : Verify that the working directory of the daemon cannot be changed
52 * (the nochdir parameter has no effect)
53 * @tc.level : Level 2
54 */
daemon_0300(void)55 void daemon_0300(void)
56 {
57 pid_t pid;
58 int result = daemon(0, -1);
59 EXPECT_EQ("daemon_0300", result, failed);
60 }
61
62 /*
63 * @tc.name : daemon_0400
64 * @tc.desc : Verify that the working directory of the daemon cannot be changed
65 * (the noclose parameter has no effect)
66 * @tc.level : Level 2
67 */
daemon_0400(void)68 void daemon_0400(void)
69 {
70 pid_t pid;
71 int result = daemon(-1, -1);
72 EXPECT_EQ("daemon_0400", result, failed);
73 int fd = open("/dev/null", O_RDWR);
74 EXPECT_EQ("daemon_0400", fd, failed);
75 }
76
77 /*
78 * @tc.name : daemon_0500
79 * @tc.desc : Verify that the working directory of the daemon cannot be changed (parameter invalid)
80 * @tc.level : Level 2
81 */
daemon_0500(void)82 void daemon_0500(void)
83 {
84 pid_t pid;
85 int result = daemon(0, 0);
86 EXPECT_EQ("daemon_0500", result, successfully);
87 pid = fork();
88 EXPECT_EQ("daemon_0500", pid, failed);
89 }
90
91 /*
92 * @tc.name : daemon_0600
93 * @tc.desc : Verify that the working directory of the daemon cannot be changed (parameter invalid)
94 * @tc.level : Level 2
95 */
daemon_0600(void)96 void daemon_0600(void)
97 {
98 pid_t pid;
99 int result = daemon(0, 0);
100 EXPECT_EQ("daemon_0600", result, successfully);
101 int mode = setsid();
102 EXPECT_EQ("daemon_0600", mode, failed);
103 }
104
main(int argc,char * argv[])105 int main(int argc, char *argv[])
106 {
107 daemon_0100();
108 daemon_0200();
109 daemon_0300();
110 daemon_0400();
111 daemon_0500();
112 daemon_0600();
113
114 return t_status;
115 }