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 <stdarg.h>
19 #include <stdlib.h>
20 #include "test.h"
21 #include "functionalext.h"
22
vsnprintf_test(char * str,size_t n,char * fmt,const char * func_name,...)23 void vsnprintf_test(char *str, size_t n, char *fmt, const char *func_name, ...)
24 {
25 char s[n];
26 va_list ap;
27 va_start(ap, func_name);
28 int result = vsnprintf(s, n, fmt, ap);
29 va_end(ap);
30 if (result < 0) {
31 t_error("%s vsnprintf get result is %d are less 0\n", func_name, result);
32 }
33 if (strcmp(s, str) != 0) {
34 t_error("%s vsnprintf get is '%s' are not '%s'\n", func_name, s, str);
35 }
36 }
37
vsnprintf_zeron(char * str,char * fmt,const char * func_name,...)38 void vsnprintf_zeron(char *str, char *fmt, const char *func_name, ...)
39 {
40 char s[10];
41 va_list ap;
42 va_start(ap, func_name);
43 int result = vsnprintf(s, 0, fmt, ap);
44 va_end(ap);
45 if (result < 0) {
46 t_error("%s vsnprintf get result is %d are less 0\n", func_name, result);
47 }
48 if (strcmp(s, str) == 0) {
49 t_error("%s vsnprintf get is '%s' but donnot want that\n", func_name, s);
50 }
51 }
52
vsnprintf_zeron_all(char * str,char * fmt,const char * func_name,...)53 void vsnprintf_zeron_all(char *str, char *fmt, const char *func_name, ...)
54 {
55 va_list ap;
56 va_start(ap, func_name);
57 int result = vsnprintf(0, 0, fmt, ap);
58 va_end(ap);
59 EXPECT_EQ(func_name, result, strlen(str));
60 }
61
main(int argc,char * argv[])62 int main(int argc, char *argv[])
63 {
64 /**
65 * @tc.name : vsnprintf_0100
66 * @tc.desc : Call vsnprinf to get formatted output
67 * @tc.level : Level 0
68 */
69 vsnprintf_test("value is use", 13, "value is %s", "vsnprintf_0100", "use");
70 /**
71 * @tc.name : vsnprintf_0200
72 * @tc.desc : The number of digits to be truncated is less than the length of the format string
73 * @tc.level : Level 1
74 */
75 vsnprintf_test("value is ", 10, "value is %s", "vsnprintf_0200", "use");
76 /**
77 * @tc.name : vsnprintf_0300
78 * @tc.desc : The number of bits to be truncated is greater than the format string length
79 * @tc.level : Level 1
80 */
81 vsnprintf_test("value is use", 15, "value is %s", "vsnprintf_0300", "use");
82 /**
83 * @tc.name : vsnprintf_0400
84 * @tc.desc : Truncate bits to 0
85 * @tc.level : Level 2
86 */
87 vsnprintf_zeron("value is use", "value is %s", "vsnprintf_0400", "use");
88 /**
89 * @tc.name : vsnprintf_0500
90 * @tc.desc : truncate buffer, and bits to 0
91 * @tc.level : Level 3
92 */
93 vsnprintf_zeron_all("value is use", "value is %s", "vsnprintf_0500", "use");
94 /**
95 * @tc.name : vsnprintf_0600
96 * @tc.desc : The number of bits to be 1
97 * @tc.level : Level 2
98 */
99 vsnprintf_test("", 1, "value is %s", "vsnprintf_0600", "use");
100
101 return t_status;
102 }
103