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
19char one[50];
20char 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 */
27void 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 */
43void 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 */
64void 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 */
80void 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
91int main(int argc, char *argv[])
92{
93    memmove_0100();
94    memmove_0200();
95    memmove_0300();
96    memmove_0400();
97
98    return t_status;
99}