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 <pty.h>
18 #include <stdlib.h>
19 #include <sys/ioctl.h>
20 #include <unistd.h>
21
22 #include "functionalext.h"
23
24 #define TEST_BUFFER_SIZE 128
25
26 /**
27 * @tc.name : grantpt_0100
28 * @tc.desc : Grant access to the slave pseudoterminal
29 * @tc.level : Level 0
30 */
grantpt_0100(void)31 void grantpt_0100(void)
32 {
33 int rev = grantpt(0);
34 EXPECT_EQ("grantpt_0100", rev, 0);
35 }
36
37 /**
38 * @tc.name : ptsname_r_0100
39 * @tc.desc : Provide the correct parameters to get the terminal device name
40 * @tc.level : Level 0
41 */
ptsname_r_0100(void)42 void ptsname_r_0100(void)
43 {
44 char buf[TEST_BUFFER_SIZE];
45 int fd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
46 EXPECT_NE("ptsname_r_0100", fd, -1);
47 int ret = grantpt(fd);
48 EXPECT_EQ("ptsname_r_0100", ret, 0);
49
50 ret = ptsname_r(fd, buf, sizeof(buf));
51 EXPECT_EQ("ptsname_r_0100", ret, 0);
52 close(fd);
53 }
54
55 /**
56 * @tc.name : ptsname_r_0200
57 * @tc.desc : Provide illegal buffer parameter, get terminal device name
58 * @tc.level : Level 2
59 */
ptsname_r_0200(void)60 void ptsname_r_0200(void)
61 {
62 char *buf = NULL;
63 int fd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
64 EXPECT_NE("ptsname_r_0200", fd, -1);
65 int ret = grantpt(fd);
66 EXPECT_EQ("ptsname_r_0200", ret, 0);
67
68 ret = ptsname_r(fd, buf, TEST_BUFFER_SIZE);
69 EXPECT_EQ("ptsname_r_0200", ret, ERANGE);
70 close(fd);
71 }
72
73 /**
74 * @tc.name : ptsname_r_0300
75 * @tc.desc : Provide wrong device ID number, get terminal device name
76 * @tc.level : Level 2
77 */
ptsname_r_0300(void)78 void ptsname_r_0300(void)
79 {
80 char buf[TEST_BUFFER_SIZE];
81 int ret = ptsname_r(STDOUT_FILENO, buf, sizeof(buf));
82 EXPECT_EQ("ptsname_r_0300", ret, ENOTTY);
83 }
84
85 /**
86 * @tc.name : ptsname_r_0400
87 * @tc.desc : Provide a small buffer to get the terminal device name
88 * @tc.level : Level 2
89 */
ptsname_r_0400(void)90 void ptsname_r_0400(void)
91 {
92 char buf[1];
93 int fd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
94 EXPECT_NE("ptsname_r_0400", fd, -1);
95 int ret = grantpt(fd);
96 EXPECT_EQ("ptsname_r_0400", ret, 0);
97
98 ret = ptsname_r(fd, buf, sizeof(buf));
99 EXPECT_EQ("ptsname_r_0400", ret, ERANGE);
100 close(fd);
101 }
102
103 /**
104 * @tc.name : posix_openpt_0100
105 * @tc.desc : Open the ptmx file using flag O_RDWR (success)
106 * @tc.level : Level 0
107 */
posix_openpt_0100(void)108 void posix_openpt_0100(void)
109 {
110 int amaster, aslave;
111 int ret = posix_openpt(O_RDWR);
112 EXPECT_NE("posix_openpt_0100", ret, ERREXPECT);
113 close(ret);
114 }
115
116 /**
117 * @tc.name : posix_openpt_0200
118 * @tc.desc : Open the ptmx file using flag O_RDWR | O_NOCTTY (success)
119 * @tc.level : Level 2
120 */
posix_openpt_0200(void)121 void posix_openpt_0200(void)
122 {
123 errno = ENOSPC;
124 int ret = posix_openpt(O_RDWR | O_NOCTTY);
125 EXPECT_NE("posix_openpt_0200", ret, ERREXPECT);
126 close(ret);
127 }
128
main(void)129 int main(void)
130 {
131 grantpt_0100();
132 ptsname_r_0100();
133 ptsname_r_0200();
134 ptsname_r_0300();
135 ptsname_r_0400();
136 posix_openpt_0100();
137 posix_openpt_0200();
138
139 return t_status;
140 }