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 <resolv.h>
17 #include "functionalext.h"
18
19 /**
20 * @tc.name : dn_comp_0100
21 * @tc.desc : Verify domain name compression (all parameters are valid)
22 * @tc.level : Level 0
23 */
dn_comp_0100(void)24 void dn_comp_0100(void)
25 {
26 char name[1024] = "www.baidu.com";
27 unsigned char buf[1024] = "\0";
28 int result = dn_comp(name, buf, 1024, NULL, NULL);
29 EXPECT_EQ("dn_comp_0100", result, 15);
30 }
31
32 /**
33 * @tc.name : dn_comp_0200
34 * @tc.desc : Verify that the domain name cannot be compressed (SRC parameter invalid, length 1)
35 * @tc.level : Level 1
36 */
dn_comp_0200(void)37 void dn_comp_0200(void)
38 {
39 char name[1024] = ".";
40 unsigned char buf[1024] = "\0";
41 int result = dn_comp(name, buf, 1024, NULL, NULL);
42 EXPECT_EQ("dn_comp_0200", result, 1);
43 }
44
45 /**
46 * @tc.name : dn_comp_0300
47 * @tc.desc : Verify that the domain name cannot be compressed (SRC parameter invalid, length greater than 253)
48 * @tc.level : Level 2
49 */
dn_comp_0300(void)50 void dn_comp_0300(void)
51 {
52 char name[1024];
53 for (int i = 0; i < 260; i++) {
54 name[i] = 'w';
55 }
56 unsigned char buf[1024] = "\0";
57 int result = dn_comp(name, buf, 1024, NULL, NULL);
58 EXPECT_EQ("dn_comp_0300", result, -1);
59 }
60
61 /**
62 * @tc.name : dn_comp_0400
63 * @tc.desc : Verify that the domain name cannot be compressed (the space parameter is invalid, equal to 0)
64 * @tc.level : Level 2
65 */
dn_comp_0400(void)66 void dn_comp_0400(void)
67 {
68 char name[1024] = "www.baidu.com";
69 unsigned char buf[1024] = "\0";
70 int result = dn_comp(name, buf, 0, NULL, NULL);
71 EXPECT_EQ("dn_comp_0400", result, -1);
72 }
73
74 /**
75 * @tc.name : dn_comp_0500
76 * @tc.desc : Verify that the domain name cannot be compressed (space argument is invalid, less than 0)
77 * @tc.level : Level 2
78 */
dn_comp_0500(void)79 void dn_comp_0500(void)
80 {
81 char name[1024] = "www.baidu.com";
82 unsigned char buf[1024] = "\0";
83 int result = dn_comp(name, buf, -1, NULL, NULL);
84 EXPECT_EQ("dn_comp_0500", result, -1);
85 }
86
87 /**
88 * @tc.name : dn_comp_0600
89 * @tc.desc : Verify that the domain name cannot be compressed (space argument is invalid, equal to 1)
90 * @tc.level : Level 2
91 */
dn_comp_0600(void)92 void dn_comp_0600(void)
93 {
94 char name[1024] = "www.baidu.com";
95 unsigned char buf[1024] = "\0";
96 int result = dn_comp(name, buf, 1, NULL, NULL);
97 EXPECT_EQ("dn_comp_0600", result, -1);
98 }
99
main(int argc,char * argv[])100 int main(int argc, char *argv[])
101 {
102 dn_comp_0100();
103 dn_comp_0200();
104 dn_comp_0300();
105 dn_comp_0400();
106 dn_comp_0500();
107 dn_comp_0600();
108 return t_status;
109 }