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 <string.h>
18 #include "test.h"
19
20 /**
21 * @tc.name : index_0100
22 * @tc.desc : Test the index method to get the position of the first occurrence of the target character
23 * @tc.level : Level 0
24 */
index_0100(void)25 void index_0100(void)
26 {
27 char *str = "hello world";
28 char *result = index(str, 'e');
29 if (strcmp(str + 1, result) != 0) {
30 t_error("%s index get result is %s are not want %s\n", __func__, result, str + 1);
31 }
32 }
33
34 /**
35 * @tc.name : index_0200
36 * @tc.desc : The result returned by the index function when the target character appears multiple times in the
37 * test string
38 * @tc.level : Level 1
39 */
index_0200(void)40 void index_0200(void)
41 {
42 int add_size = 2;
43 char *str = "hello world";
44 char *result = index(str, 'l');
45 if (strcmp(str + add_size, result) != 0) {
46 t_error("%s index get result is %s are not want %s\n", __func__, result, str + add_size);
47 }
48 }
49
50 /**
51 * @tc.name : index_0300
52 * @tc.desc : The result returned by the index function when the target character does not appear in the test
53 * string
54 * @tc.level : Level 1
55 */
index_0300(void)56 void index_0300(void)
57 {
58 char *str = "hello world";
59 char *result = index(str, 'a');
60 if (result) {
61 t_error("%s index get result is %s are not want ''\n", __func__, result);
62 }
63 }
64
main(int argc, char *argv[])65 int main(int argc, char *argv[])
66 {
67 index_0100();
68 index_0200();
69 index_0300();
70 return t_status;
71 }