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 <stdarg.h>
17 #include <stdio.h>
18 #include <string.h>
19 #include <fcntl.h>
20 #include "test.h"
21
readFile(int stream,char * fmt,...)22 int readFile(int stream, char *fmt, ...)
23 {
24 va_list ap;
25 va_start(ap, fmt);
26 int result = vdprintf(stream, fmt, ap);
27 va_end(ap);
28 return result;
29 }
30
31 /**
32 * @tc.name : vdprintf_0100
33 * @tc.desc : Test the vdprintf method to write to the file
34 * @tc.level : Level 0
35 */
vdprintf_0100(void)36 void vdprintf_0100(void)
37 {
38 char *value = "asdf";
39 char buffer[100] = {0};
40 int fp = open("/data/temp_vdprintf.txt", O_RDWR | O_CREAT, TEST_MODE);
41 if (fp < 0) {
42 t_error("%s open failed", __func__);
43 return;
44 }
45 int result = readFile(fp, "%s", value);
46 if (result < 0) {
47 t_error("%s vdprintf get result is %d are less 0\n", __func__, result);
48 }
49 close(fp);
50 fp = open("/data/temp_vdprintf.txt", O_RDWR);
51 read(fp, buffer, strlen(value));
52 if (strcmp(buffer, "asdf") != 0) {
53 t_error("%s vdprintf get is '%s' are not 'asdf'\n", __func__, buffer);
54 }
55 close(fp);
56 unlink("/data/temp_vdprintf.txt");
57 }
58
59 /**
60 * @tc.name : vdprintf_0200
61 * @tc.desc : Test that vdprintf returns the result when the file descriptor is incorrect
62 * @tc.level : Level 2
63 */
vdprintf_0200(void)64 void vdprintf_0200(void)
65 {
66 char *value = "asdf";
67 int want = -1;
68 int fp = -1;
69 int result = readFile(fp, "%s", value);
70 if (result != want) {
71 t_error("%s vdprintf get result is %d are want -1\n", __func__, result);
72 }
73 }
74
main(int argc,char * argv[])75 int main(int argc, char *argv[])
76 {
77 vdprintf_0100();
78 vdprintf_0200();
79 return t_status;
80 }