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 <stdlib.h>
20 #include <signal.h>
21 #include <fcntl.h>
22 #include <locale.h>
23 #include <wchar.h>
24 #include "test.h"
25
deal_aberrant(int code)26 void deal_aberrant(int code)
27 {
28 if (code != SIGSEGV) {
29 t_error("vfwscanf_0200 code is %d are not SIGSEGV", __func__, code);
30 }
31 exit(t_status);
32 }
33
read_from_file(FILE * fp,const wchar_t * format,...)34 int read_from_file(FILE *fp, const wchar_t *format, ...)
35 {
36 va_list args;
37 va_start(args, format);
38 int result = vfwscanf(fp, format, args);
39 va_end(args);
40 return result;
41 }
42
43 /**
44 * @tc.name : vfwscanf_0100
45 * @tc.desc : Test vfwscanf method to read wide string from file
46 * @tc.level : Level 0
47 */
vfwscanf_0100(void)48 void vfwscanf_0100(void)
49 {
50 setlocale(LC_ALL, "en_US.UTF-8");
51
52 wchar_t symbol[] = L"\u0915\u0916\u0917\u0918\u0919";
53 wchar_t names[5][5] = {L"Ka", L"Kha", L"Ga", L"Gha", L"Nga"};
54 FILE *fp = fopen("example.txt", "w+");
55
56 for (int i = 0; i < 5; i++)
57 fwprintf(fp, L"%lc %ls ", symbol[i], names[i]);
58 rewind(fp);
59
60 wchar_t ch, str[5];
61 for (int i = 0; i < 5; i++) {
62 read_from_file(fp, L"%lc %ls ", &ch, str);
63 if (wcscmp(str, names[i]) != 0) {
64 t_error("%s vfwscanf in %d get result is %ls are not want %ls\n", __func__, i, str, names[i]);
65 }
66 }
67
68 fclose(fp);
69 unlink("example.txt");
70 }
71
72 /**
73 * @tc.name : vfwscanf_0200
74 * @tc.desc : Test the result of the vfwscanf function when the incoming file is empty
75 * @tc.level : Level 2
76 */
vfwscanf_0200(void)77 void vfwscanf_0200(void)
78 {
79 wchar_t symbol[] = L"\u0915\u0916\u0917\u0918\u0919";
80 wchar_t names[5][5] = {L"Ka", L"Kha", L"Ga", L"Gha", L"Nga"};
81 signal(SIGSEGV, deal_aberrant);
82 read_from_file(NULL, symbol, names);
83 }
84
main(int argc,char * argv[])85 int main(int argc, char *argv[])
86 {
87 vfwscanf_0100();
88 vfwscanf_0200();
89 return t_status;
90 }