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 */
30void 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 */
50void 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
59int main(void)
60{
61    ptsname_0100();
62    ptsname_0200();
63    return t_status;
64}