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 <stdio.h>
17 #include <string.h>
18 #include <unistd.h>
19 #include <fcntl.h>
20 #include <stdlib.h>
21 #include "test.h"
22
23 /**
24 * @tc.name : ttyname_0100
25 * @tc.desc : Test the ttyname method to get the terminal name through the file handle
26 * @tc.level : Level 0
27 */
ttyname_0100(void)28 void ttyname_0100(void)
29 {
30 char *file = "/dev/tty";
31 int fd = open(file, O_RDONLY);
32 char *result = ttyname(fd);
33 if (strcmp(result, file) != 0) {
34 t_error("%s ttyname get result is %s are not want %s\n", __func__, result, file);
35 }
36 }
37
38 /**
39 * @tc.name : ttyname_0200
40 * @tc.desc : Test the return value of ttyname when a non-existing terminal file handle is passed in
41 * @tc.level : Level 1
42 */
ttyname_0200(void)43 void ttyname_0200(void)
44 {
45 char *file = "/unexit";
46 int fd = open(file, O_RDONLY);
47 char *result = ttyname(fd);
48 if (result) {
49 t_error("%s ttyname get result is %s are not null\n", __func__, result);
50 }
51 }
52
main(void)53 int main(void)
54 {
55 ttyname_0100();
56 ttyname_0200();
57 return t_status;
58 }