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 <stdlib.h>
17 #include <string.h>
18 #include "functionalext.h"
19
20 const int INIT_LEN = 0;
21
22 /**
23 * @tc.name :memchr_0100
24 * @tc.desc :Verify memchr is successed and return 0.
25 * @tc.level :level 0.
26 */
memchr_0100(void)27 void memchr_0100(void)
28 {
29 const char *srcstring = "this is a unittest";
30 char fitch = 'u';
31 char *findch = (char *)memchr(srcstring, fitch, strlen(srcstring));
32 if (findch) {
33 EXPECT_EQ("memchr_0100", fitch, findch[0]);
34 EXPECT_STREQ("memchr_0100", "unittest", findch);
35 } else {
36 EXPECT_PTRNE("memchr_0100", findch, NULL);
37 }
38 }
39
40 /**
41 * @tc.name :memchr_0200
42 * @tc.desc :Verify memchr is failed and return NULL.
43 * @tc.level :level 1.
44 */
memchr_0200(void)45 void memchr_0200(void)
46 {
47 const char *srcstring = "this is a unittest";
48 char *findch = (char *)memchr(srcstring, 'w', strlen(srcstring));
49 EXPECT_PTREQ("memchr_0200", findch, NULL);
50 }
51
52 /**
53 * @tc.name :memchr_0300
54 * @tc.desc :Verify memchr is failed when first param src is invalid.
55 * @tc.level :level 2.
56 */
memchr_0300(void)57 void memchr_0300(void)
58 {
59 const char *srcstring = "";
60 char *findch = (char *)memchr(srcstring, 'w', strlen(srcstring));
61 EXPECT_PTREQ("memchr_0300", findch, NULL);
62 }
63
64 /**
65 * @tc.name :memchr_0400
66 * @tc.desc :Verify memchr is failed when second param c is invalid.
67 * @tc.level :level 2.
68 */
memchr_0400(void)69 void memchr_0400(void)
70 {
71 const char *srcstring = "this is a unittest";
72 char *findch = (char *)memchr(srcstring, '\0', strlen(srcstring));
73 EXPECT_PTREQ("memchr_0400", findch, NULL);
74 }
75
76 /**
77 * @tc.name :memchr_0500
78 * @tc.desc :Verify memchr is failed when third param n is invalid.
79 * @tc.level :level 2.
80 */
memchr_0500(void)81 void memchr_0500(void)
82 {
83 const char *srcstring = "this is a unittest";
84 char *findch = (char *)memchr(srcstring, 'u', INIT_LEN);
85 EXPECT_PTREQ("memchr_0500", findch, NULL);
86 }
87
main(void)88 int main(void)
89 {
90 memchr_0100();
91 memchr_0200();
92 memchr_0300();
93 memchr_0400();
94 memchr_0500();
95 return t_status;
96 }
97