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 <wchar.h>
17 #include "functionalext.h"
18
19 const char *path = "/data/test.txt";
20
21 /**
22 * @tc.name : fwide_0100
23 * @tc.desc : Verify that the set byte stream is a wide character stream (valid, mode > 0)
24 * @tc.level : Level 0
25 */
fwide_0100(void)26 void fwide_0100(void)
27 {
28 FILE *fp = fopen(path, "w+");
29 EXPECT_PTRNE("fwide_0100", fp, NULL);
30
31 int result = fwide(fp, 5);
32 EXPECT_TRUE("fwide_0100", result > 0);
33
34 fclose(fp);
35 remove(path);
36 }
37
38 /**
39 * @tc.name : fwide_0200
40 * @tc.desc : Verify that the set byte stream remains as it is (all parameters are valid, mode equals 0)
41 * @tc.level : Level 0
42 */
fwide_0200(void)43 void fwide_0200(void)
44 {
45 FILE *fp = fopen(path, "w+");
46 EXPECT_PTRNE("fwide_0100", fp, NULL);
47
48 int result = fwide(fp, 0);
49 EXPECT_EQ("fwide_0200", result, 0);
50
51 fclose(fp);
52 remove(path);
53 }
54
55 /**
56 * @tc.name : fwide_0300
57 * @tc.desc : Verify that the set byte stream is a multi-byte character stream (valid with mode less than 0)
58 * @tc.level : Level 0
59 */
fwide_0300(void)60 void fwide_0300(void)
61 {
62 FILE *fp = fopen(path, "w+");
63 EXPECT_PTRNE("fwide_0100", fp, NULL);
64
65 int result = fwide(fp, -5);
66 EXPECT_TRUE("fwide_0300", result < 0);
67
68 fclose(fp);
69 remove(path);
70 }
71
main(int argc, char *argv[])72 int main(int argc, char *argv[])
73 {
74
75 fwide_0100();
76 fwide_0200();
77 fwide_0300();
78 return t_status;
79 }