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 <pty.h>
17 #include <stdlib.h>
18 #include <unistd.h>
19 #include <fcntl.h>
20 #include "functionalext.h"
21
22 #define PTMPATH "/dev/ptmx"
23
24 /**
25 * @tc.name : ptsname_0100
26 * @tc.desc : Open the ptm file to establish a pseudo terminal, and judge
27 * whether the function successfully obtains the terminal name
28 * @tc.level : Level 0
29 */
ptsname_0100(void)30 void ptsname_0100(void)
31 {
32 char *mastername = NULL;
33
34 int masterfd = open(PTMPATH, O_RDONLY);
35 if (masterfd == -1) {
36 perror("open failed");
37 exit(EXIT_FAILURE);
38 }
39 mastername = ptsname(masterfd);
40 EXPECT_PTRNE("ptsname_0100", mastername, NULL);
41
42 close(masterfd);
43 }
44
45 /**
46 * @tc.name : ptsname_0200
47 * @tc.desc : Pass in a non-existing terminal descriptor to determine whether the function returns NULL
48 * @tc.level : Level 2
49 */
ptsname_0200(void)50 void ptsname_0200(void)
51 {
52 int aslave = -1;
53 char *aslavename = NULL;
54
55 aslavename = ptsname(aslave);
56 EXPECT_PTREQ("ptsname_0200", aslavename, NULL);
57 }
58
main(void)59 int main(void)
60 {
61 ptsname_0100();
62 ptsname_0200();
63 return t_status;
64 }