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 <string.h>
17 #include "test.h"
18
19 char one[50];
20 char two[50];
21
22 /**
23 * @tc.name : memmove_0100
24 * @tc.desc : The source address and the destination address are equal, and no copying is performed.
25 * @tc.level : Level 1
26 */
memmove_0100(void)27 void memmove_0100(void)
28 {
29 memset(one, 0, sizeof(one));
30
31 strcpy(one, "abcdefgh");
32 memmove(one, one, 9);
33 if (strcmp(one, "abcdefgh")) {
34 t_error("%s memmove failed\n", __func__);
35 }
36 }
37
38 /**
39 * @tc.name : memmove_0200
40 * @tc.desc : The source address and the destination address do not overlap, copy it.
41 * @tc.level : Level 0
42 */
memmove_0200(void)43 void memmove_0200(void)
44 {
45 memset(one, 0, sizeof(one));
46 memset(two, 0, sizeof(two));
47
48 strcpy(one, "helloWorld");
49 strcpy(two, "foo");
50 memmove(two, one, 11);
51 if (strcmp(one, "helloWorld")) {
52 t_error("%s memmove failed\n", __func__);
53 }
54 if (strcmp(two, "helloWorld")) {
55 t_error("%s memmove failed\n", __func__);
56 }
57 }
58
59 /**
60 * @tc.name : memmove_0300
61 * @tc.desc : The first address of dest is less than the first address of src, and forward copy is performed.
62 * @tc.level : Level 1
63 */
memmove_0300(void)64 void memmove_0300(void)
65 {
66 memset(one, 0, sizeof(one));
67
68 strcpy(one, "abcdefgh");
69 memmove(one + 1, one + 2, 7);
70 if (strcmp(one, "acdefgh")) {
71 t_error("%s memmove failed\n", __func__);
72 }
73 }
74
75 /**
76 * @tc.name : memmove_0400
77 * @tc.desc : The first address of dest is greater than the first address of src, and reverse copy is performed.
78 * @tc.level : Level 1
79 */
memmove_0400(void)80 void memmove_0400(void)
81 {
82 memset(one, 0, sizeof(one));
83
84 strcpy(one, "abcdefgh");
85 memmove(one + 1, one, 9);
86 if (strcmp(one, "aabcdefgh")) {
87 t_error("%s memmove failed\n", __func__);
88 }
89 }
90
main(int argc,char * argv[])91 int main(int argc, char *argv[])
92 {
93 memmove_0100();
94 memmove_0200();
95 memmove_0300();
96 memmove_0400();
97
98 return t_status;
99 }