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 <sys/stat.h>
17 #include <poll.h>
18 #include <time.h>
19 #include <fcntl.h>
20 #include "functionalext.h"
21
22 /**
23 * @tc.name : ppoll_0100
24 * @tc.desc : Monitor the readable attribute time of the specified file
25 * @tc.level : Level 0
26 */
ppoll_0100(void)27 void ppoll_0100(void)
28 {
29 int fd = open("ppoll_function_file", O_RDWR | O_CREAT, S_IRWXU);
30 if (fd == -1) {
31 t_error("create file failed\n");
32 return;
33 }
34 struct pollfd pollfds[] = {{.fd = fd, .events = POLLIN, .revents = 0}};
35 struct timespec timeout;
36 timeout.tv_sec = 5;
37 timeout.tv_nsec = 0;
38
39 int ret = ppoll(pollfds, 1, &timeout, NULL);
40 EXPECT_GT("ppoll_0100", ret, CMPFLAG);
41 EXPECT_EQ("ppoll_0100", pollfds[0].revents, POLLIN);
42 close(fd);
43 ret = access("ppoll_function_file", F_OK);
44 if (ret != -1) {
45 ret = remove("ppoll_function_file");
46 EXPECT_EQ("ppoll_0100", ret, CMPFLAG);
47 }
48 }
49
50 /**
51 * @tc.name : ppoll_0200
52 * @tc.desc : Listen to non-specified file time (timeout returns)
53 * @tc.level : Level 2
54 */
ppoll_0200(void)55 void ppoll_0200(void)
56 {
57 struct pollfd pollfds[] = {{.fd = -1, .events = POLLIN, .revents = 0}};
58 struct timespec timeout;
59 timeout.tv_sec = 3;
60 timeout.tv_nsec = 0;
61
62 int ret = ppoll(pollfds, 1, &timeout, NULL);
63 EXPECT_EQ("ppoll_0200", ret, CMPFLAG);
64 }
65
66 /**
67 * @tc.name : ppoll_0300
68 * @tc.desc : Listen for readable file event (illegal parameter)
69 * @tc.level : Level 2
70 */
ppoll_0300(void)71 void ppoll_0300(void)
72 {
73 struct timespec timeout;
74 timeout.tv_sec = 1;
75 timeout.tv_nsec = 0;
76
77 int ret = ppoll(NULL, 1, &timeout, NULL);
78 EXPECT_EQ("ppoll_0300", ret, ERREXPECT);
79 }
80
main(void)81 int main(void)
82 {
83 ppoll_0100();
84 ppoll_0200();
85 ppoll_0300();
86 return t_status;
87 }