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 <sys/mman.h>
18 #include "functionalext.h"
19
20 const int SUCCESS = 0;
21 const int FAILED = -1;
22
23 /**
24 * @tc.name : mprotect_0100
25 * @tc.desc : The port parameter is PROT_READ,which can set the protection attribute of memory area.
26 * @tc.level : Level 0
27 */
mprotect_0100(void)28 void mprotect_0100(void)
29 {
30 size_t align = getpagesize();
31 void *buffer = memalign(align, 8 * align);
32 int ret = mprotect(buffer, getpagesize(), PROT_READ);
33 EXPECT_EQ("mprotect_0100", ret, SUCCESS);
34 }
35
36 /**
37 * @tc.name : mprotect_0200
38 * @tc.desc : The port parameter is PROT_WRITE,which can set the protection attribute of memory area.
39 * @tc.level : Level 0
40 */
mprotect_0200(void)41 void mprotect_0200(void)
42 {
43 size_t align = getpagesize();
44 void *buffer = memalign(align, 8 * align);
45 int ret = mprotect(buffer, getpagesize(), PROT_WRITE);
46 EXPECT_EQ("mprotect_0200", ret, SUCCESS);
47 }
48
49 /**
50 * @tc.name : mprotect_0300
51 * @tc.desc : The port parameter is PROT_EXEC,which can set the protection attribute of memory area.
52 * @tc.level : Level 0
53 */
mprotect_0300(void)54 void mprotect_0300(void)
55 {
56 size_t align = getpagesize();
57 void *buffer = memalign(align, 8 * align);
58 int ret = mprotect(buffer, getpagesize(), PROT_EXEC);
59 EXPECT_EQ("mprotect_0300", ret, SUCCESS);
60 }
61
62 /**
63 * @tc.name : mprotect_0400
64 * @tc.desc : The port parameter is PROT_NONE,which can set the protection attribute of memory area.
65 * @tc.level : Level 0
66 */
mprotect_0400(void)67 void mprotect_0400(void)
68 {
69 size_t align = getpagesize();
70 void *buffer = memalign(align, 8 * align);
71 int ret = mprotect(buffer, getpagesize(), PROT_NONE);
72 EXPECT_EQ("mprotect_0400", ret, SUCCESS);
73 }
74
75 /**
76 * @tc.name : mprotect_0500
77 * @tc.desc : The port parameter is PROT_READ|PROT_WRITE,which can set the protection attribute of memory area.
78 * @tc.level : Level 1
79 */
mprotect_0500(void)80 void mprotect_0500(void)
81 {
82 size_t align = getpagesize();
83 void *buffer = memalign(align, 8 * align);
84 int ret = mprotect(buffer, getpagesize(), PROT_READ | PROT_WRITE);
85 EXPECT_EQ("mprotect_0500", ret, SUCCESS);
86 }
87
88 /**
89 * @tc.name : mprotect_0600
90 * @tc.desc : The start parameter is not an integer multiple of the page,
91 * and the protection attribute of the memory area cannot be set.
92 * @tc.level : Level 2
93 */
mprotect_0600(void)94 void mprotect_0600(void)
95 {
96 int ret = mprotect((void *)0x0001, getpagesize(), PROT_READ);
97 EXPECT_EQ("mprotect_0600", ret, FAILED);
98 }
99
main(int argc,char * argv[])100 int main(int argc, char *argv[])
101 {
102 mprotect_0100();
103 mprotect_0200();
104 mprotect_0300();
105 mprotect_0400();
106 mprotect_0500();
107 mprotect_0600();
108
109 return t_status;
110 }