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 "functionalext.h"
17
18 const char *path = "/data/test.txt";
19
20 /**
21 * @tc.name : fwrite_0100
22 * @tc.desc : File pointer at the end of a file, the position to which the current file pointer points
23 * @tc.level : Level 0
24 */
fwrite_0100(void)25 void fwrite_0100(void)
26 {
27 FILE *fptr = fopen(path, "w+");
28 EXPECT_PTRNE("fwrite_0100", fptr, NULL);
29
30 char buf[] = "this is test";
31 int result = fwrite(buf, sizeof(char), strlen(buf), fptr);
32 EXPECT_TRUE("fwrite_0100", result == strlen(buf));
33
34 fclose(fptr);
35 remove(path);
36 }
37
38 /**
39 * @tc.name : fwrite_0200
40 * @tc.desc : File pointer at the beginning of a file, the location to which the current file pointer points
41 * @tc.level : Level 0
42 */
fwrite_0200(void)43 void fwrite_0200(void)
44 {
45 FILE *fptr = fopen(path, "w+");
46 EXPECT_PTRNE("fwrite_0200", fptr, NULL);
47
48 char buf[] = "this is test";
49 int result = fwrite(buf, 0, strlen(buf), fptr);
50 EXPECT_EQ("fwrite_0200", result, 0);
51
52 fclose(fptr);
53 remove(path);
54 }
55
56 /**
57 * @tc.name : fwrite_0300
58 * @tc.desc : Invalid argument. Cannot get the location of the current file pointer
59 * @tc.level : Level 2
60 */
fwrite_0300(void)61 void fwrite_0300(void)
62 {
63 FILE *fptr = fopen(path, "w+");
64 EXPECT_PTRNE("fwrite_0300", fptr, NULL);
65
66 char buf[] = "this is test";
67 int result = fwrite(buf, sizeof(char), 0, fptr);
68 EXPECT_EQ("fwrite_0300", result, 0);
69
70 fclose(fptr);
71 remove(path);
72 }
73
main(int argc,char * argv[])74 int main(int argc, char *argv[])
75 {
76 fwrite_0100();
77 fwrite_0200();
78 fwrite_0300();
79 return t_status;
80 }