1 /*
2 * Copyright (C) 2024 HiHope Open Source Organization.
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 <cstdio>
17 #include <cstdlib>
18 #include <fcntl.h>
19 #include <string>
20 #include <unistd.h>
21 #include <vector>
22 #include <gtest/gtest.h>
23 #include <sys/stat.h>
24 #include <sys/types.h>
25 #include <sys/ipc.h>
26 #include <sys/shm.h>
27 #include "securec.h"
28
29 using namespace testing::ext;
30 using namespace std;
31
32 class ShmgetApiTest : public testing::Test {
33 public:
34 static void SetUpTestCase();
35 static void TearDownTestCase();
36 void SetUp();
37 void TearDown();
38 private:
39 };
SetUp()40 void ShmgetApiTest::SetUp()
41 {
42 }
TearDown()43 void ShmgetApiTest::TearDown()
44 {
45 }
SetUpTestCase()46 void ShmgetApiTest::SetUpTestCase()
47 {
48 }
TearDownTestCase()49 void ShmgetApiTest::TearDownTestCase()
50 {
51 }
52
53 const int MEM_SIZE = 1024;
54
55 /*
56 * @tc.number : SUB_KERNEL_SYSCALL_SHMGET_0100
57 * @tc.name : ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0001
58 * @tc.desc : Create a shared memory object and return the shared memory identifier success.
59 * @tc.size : MediumTest
60 * @tc.type : Function
61 * @tc.level : Level 1
62 */
HWTEST_F(ShmgetApiTest, ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0001, Function | MediumTest | Level1)63 HWTEST_F(ShmgetApiTest, ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0001, Function | MediumTest | Level1)
64 {
65 key_t key = ftok("shmfile", 65);
66 int shmid = shmget(key, MEM_SIZE, 0666 | IPC_CREAT);
67 EXPECT_TRUE(shmid != 0);
68
69 int ret = shmctl(shmid, IPC_RMID, nullptr);
70 EXPECT_TRUE(ret == 0);
71 }
72
73 /*
74 * @tc.number : SUB_KERNEL_SYSCALL_SHMGET_0200
75 * @tc.name : ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0002
76 * @tc.desc : Create a shared memory object and return the shared memory identifier success.
77 * @tc.size : MediumTest
78 * @tc.type : Function
79 * @tc.level : Level 1
80 */
HWTEST_F(ShmgetApiTest, ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0002, Function | MediumTest | Level1)81 HWTEST_F(ShmgetApiTest, ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0002, Function | MediumTest | Level1)
82 {
83 char* ptrSharedData = nullptr;
84 const char* data = "Hello, shared memory!";
85 key_t key = ftok("shmfile", 66);
86
87 int shmid = shmget(key, MEM_SIZE, 0666 | IPC_CREAT);
88 EXPECT_TRUE(shmid != 0);
89
90 void* ptrData = shmat(shmid, nullptr, 0);
91 EXPECT_TRUE(ptrData != reinterpret_cast<void*>(-1));
92
93 ptrSharedData = (char*)ptrData;
94 strncpy_s(ptrSharedData, MEM_SIZE, data, strlen(data));
95 ptrSharedData[strlen(data)] = '\0';
96
97 int ret = shmdt(ptrSharedData);
98 EXPECT_TRUE(ret == 0);
99
100 ret = shmctl(shmid, IPC_RMID, nullptr);
101 EXPECT_TRUE(ret == 0);
102 }
103
104 /*
105 * @tc.number : SUB_KERNEL_SYSCALL_SHMGET_0300
106 * @tc.name : ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0003
107 * @tc.desc : Create a shared memory object and return the shared memory identifier success.
108 * @tc.size : MediumTest
109 * @tc.type : Function
110 * @tc.level : Level 1
111 */
HWTEST_F(ShmgetApiTest, ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0003, Function | MediumTest | Level1)112 HWTEST_F(ShmgetApiTest, ShmgetCreateSharedMemoryObjectAndReturnIdentifierSuccess_0003, Function | MediumTest | Level1)
113 {
114 key_t key1 = ftok("shmfile1", 65);
115 key_t key2 = ftok("shmfile2", 65);
116
117 int shmid1 = shmget(key1, MEM_SIZE, IPC_CREAT | 0666);
118 EXPECT_TRUE(shmid1 != -1);
119
120 int shmid2 = shmget(key2, MEM_SIZE, IPC_CREAT | 0666);
121 EXPECT_TRUE(shmid2 != -1);
122
123 EXPECT_TRUE(shmid1 == shmid2);
124
125 if (shmid1 != -1) {
126 shmctl(shmid1, IPC_RMID, nullptr);
127 }
128
129 if (shmid2 != -1) {
130 shmctl(shmid2, IPC_RMID, nullptr);
131 }
132 }