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 <cerrno>
17 #include <cstdio>
18 #include <cstdlib>
19 #include <csignal>
20 #include <string>
21 #include <vector>
22 #include <fcntl.h>
23 #include <unistd.h>
24 #include <gtest/gtest.h>
25 #include <sys/epoll.h>
26 #include <sys/stat.h>
27 #include <sys/mman.h>
28 #include <sys/syscall.h>
29 #include <sys/types.h>
30 #include "securec.h"
31 
32 using namespace testing::ext;
33 
34 class HatsEpollCtlTest : public testing::Test {
35 public:
36     static void SetUpTestCase();
37     static void TearDownTestCase();
38     void SetUp();
39     void TearDown();
40 private:
41 };
SetUp()42 void HatsEpollCtlTest::SetUp()
43 {
44 }
45 
TearDown()46 void HatsEpollCtlTest::TearDown()
47 {
48 }
49 
SetUpTestCase()50 void HatsEpollCtlTest::SetUpTestCase()
51 {
52 }
53 
TearDownTestCase()54 void HatsEpollCtlTest::TearDownTestCase()
55 {
56 }
57 
58 /*
59  * @tc.number : SUB_KERNEL_SYSCALL_EPOLLCTL_0100
60  * @tc.name   : EpollCtlModeTestSuccess_0001
61  * @tc.desc   : epoll_ctl mode EPOLL_CTL_ADDT/EPOLL_CTL_MOD/EPOLL_CTL_DEL test success.
62  * @tc.size   : MediumTest
63  * @tc.type   : Function
64  * @tc.level  : Level 1
65  */
HWTEST_F(HatsEpollCtlTest, EpollCtlModeTestSuccess_0001, Function | MediumTest | Level1)66 HWTEST_F(HatsEpollCtlTest, EpollCtlModeTestSuccess_0001, Function | MediumTest | Level1)
67 {
68     int fds[2];
69     const uint64_t expected = 0x11223344;
70 
71     int fd = epoll_create(1);
72     EXPECT_TRUE(fd > 0);
73 
74     int ret = pipe(fds);
75     EXPECT_EQ(ret, 0);
76 
77     struct epoll_event ev;
78     ev.events = EPOLLIN;
79     ev.data.u64 = expected;
80 
81     ret = epoll_ctl(fd, EPOLL_CTL_ADD, fds[0], &ev);
82     EXPECT_EQ(ret, 0);
83 
84     ret = epoll_ctl(fd, EPOLL_CTL_MOD, fds[0], &ev);
85     EXPECT_EQ(ret, 0);
86 
87     ret = epoll_ctl(fd, EPOLL_CTL_DEL, fds[0], &ev);
88     EXPECT_EQ(ret, 0);
89 
90     close(fds[0]);
91     close(fds[1]);
92     close(fd);
93 }
94 
95 /*
96  * @tc.number : SUB_KERNEL_SYSCALL_EPOLLCTL_0200
97  * @tc.name   : EpollCtlUseInvalidFdTestFailed_0002
98  * @tc.desc   : epoll_ctl use invalid fd test failed.
99  * @tc.size   : MediumTest
100  * @tc.type   : Function
101  * @tc.level  : Level 2
102  */
HWTEST_F(HatsEpollCtlTest, EpollCtlUseInvalidFdTestFailed_0002, Function | MediumTest | Level2)103 HWTEST_F(HatsEpollCtlTest, EpollCtlUseInvalidFdTestFailed_0002, Function | MediumTest | Level2)
104 {
105     int fds[2];
106     const uint64_t expected = 0x11223344;
107 
108     int ret = pipe(fds);
109     EXPECT_EQ(ret, 0);
110 
111     struct epoll_event ev;
112     ev.events = EPOLLIN;
113     ev.data.u64 = expected;
114 
115     errno = 0;
116     ret = epoll_ctl(-1, EPOLL_CTL_ADD, fds[0], &ev);
117     EXPECT_EQ(ret, -1);
118     EXPECT_EQ(errno, EBADF);
119 
120     close(fds[0]);
121     close(fds[1]);
122 }