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 <malloc.h>
17#include <unistd.h>
18#include "functionalext.h"
19
20/**
21 * @tc.name      : memalign_0100
22 * @tc.desc      : Each parameter is valid, and align is obtained by getpagesize(), which can allocate a memory block
23 *                 whose size is specified by len and whose address is a multiple of align.
24 * @tc.level     : Level 0
25 */
26void memalign_0100(void)
27{
28    int align = getpagesize();
29    EXPECT_NE("memalign_0100", align, -1);
30    void *buff = (void *)memalign(align, 8 * align);
31    EXPECT_TRUE("memalign_0100", buff != NULL);
32    free(buff);
33    buff = NULL;
34}
35
36/**
37 * @tc.name      : memalign_0200
38 * @tc.desc      : Each parameter is valid, and it can allocate a memory block with the size specified by
39 *                 len and the address is a multiple of align
40 * @tc.level     : Level 1
41 */
42void memalign_0200(void)
43{
44    int align = 16;
45    void *buff = NULL;
46    buff = (void *)memalign(align, 8 * align);
47    EXPECT_TRUE("memalign_0200", buff != NULL);
48    free(buff);
49    buff = NULL;
50}
51
52/**
53 * @tc.name      : memalign_0300
54 * @tc.desc      : The align parameter is invalid, and a memory block whose size is specified
55 *                 by len and whose address is a multiple of align cannot be allocated
56 * @tc.level     : Level 2
57 */
58void memalign_0300(void)
59{
60    int align = getpagesize() - 1;
61    EXPECT_NE("memalign_0300", align, -1);
62    void *buff = (void *)memalign(align, 128);
63    EXPECT_EQ("memalign_0300", buff, NULL);
64    free(buff);
65    buff = NULL;
66}
67
68/**
69 * @tc.name      : memalign_0400
70 * @tc.desc      : The len parameter is invalid, and a memory block whose size is specified by
71 *                 len and whose address is a multiple of align cannot be allocated
72 * @tc.level     : Level 2
73 */
74void memalign_0400(void)
75{
76    int align = getpagesize();
77    EXPECT_NE("memalign_0400", align, -1);
78    void *buff = (void *)memalign(align, SIZE_MAX - align + 1);
79    EXPECT_EQ("memalign_0400", buff, NULL);
80    free(buff);
81    buff = NULL;
82}
83
84/**
85 * @tc.name      : memalign_0500
86 * @tc.desc      : Insufficient memory space to allocate a memory block
87 *                 with a size specified by len and an address that is a multiple of align
88 * @tc.level     : Level 2
89 */
90void memalign_0500(void)
91{
92    int align = (4 * sizeof(size_t)) + 1;
93    void *buff = (void *)memalign(align, align * 1024);
94    EXPECT_EQ("memalign_0500", buff, NULL);
95    free(buff);
96    buff = NULL;
97}
98
99int main(int argc, char *argv[])
100{
101    memalign_0100();
102    memalign_0200();
103    memalign_0300();
104    memalign_0400();
105    memalign_0500();
106
107    return t_status;
108}
109