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 <stdio_ext.h>
18 #include <stdlib.h>
19 #include <stdint.h>
20 #include <stddef.h>
21 #include "functionalext.h"
22 #include "filepath_util.h"
23
24 const int32_t NUM_ZERO = 0;
25
26 /**
27 * @tc.name : __fwriting_0100
28 * @tc.desc : Verify that the file stream is write-only
29 * @tc.level : Level 0
30 */
__fwriting_0100(void)31 void __fwriting_0100(void)
32 {
33 char ptr[PATH_MAX] = {0};
34 FILE_ABSOLUTE_PATH(STR_FREAD_TEST_TXT, ptr);
35 FILE *fptr = fopen(ptr, "w");
36 int result = __fwriting(fptr);
37 EXPECT_NE("__fwriting_0100", result, NUM_ZERO);
38 fclose(fptr);
39 remove(ptr);
40 }
41
42 /**
43 * @tc.name : __fwriting_0200
44 * @tc.desc : The last operation on the stream was a write operation
45 * @tc.level : Level 0
46 */
__fwriting_0200(void)47 void __fwriting_0200(void)
48 {
49 const char *wrstring = "helloworld";
50 char ptr[PATH_MAX] = {0};
51 FILE_ABSOLUTE_PATH(STR_FREAD_TEST_TXT, ptr);
52 FILE *fptr = fopen(ptr, "w+");
53 fwrite(wrstring, sizeof(char), strlen(wrstring), fptr);
54 int result = __fwriting(fptr);
55 EXPECT_NE("__fwriting_0200", result, NUM_ZERO);
56 fclose(fptr);
57 remove(ptr);
58 }
59
60 /**
61 * @tc.name : __fwriting_0300
62 * @tc.desc : The last operation on the stream was not a write operation
63 * @tc.level : Level 2
64 */
__fwriting_0300(void)65 void __fwriting_0300(void)
66 {
67 char abc[100] = {0};
68 const char *wrstring = "helloworld";
69 char ptr[PATH_MAX] = {0};
70 FILE_ABSOLUTE_PATH(STR_FREAD_TEST_TXT, ptr);
71 FILE *fptr = fopen(ptr, "w+");
72 fwrite(wrstring, sizeof(char), strlen(wrstring), fptr);
73 fseek(fptr, 0, SEEK_SET);
74 int32_t rsize = fread(abc, 1, 10, fptr);
75 int result = __fwriting(fptr);
76 EXPECT_EQ("__fwriting_0300", result, NUM_ZERO);
77 fclose(fptr);
78 remove(ptr);
79 }
80
main(int argc, char *argv[])81 int main(int argc, char *argv[])
82 {
83 __fwriting_0100();
84 __fwriting_0200();
85 __fwriting_0300();
86 return t_status;
87 }