1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved.
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
18 #include <gtest/gtest.h>
19
20 #include "hiebpf_data_file.h"
21
22 using namespace testing::ext;
23 using namespace std;
24 namespace {
25 const std::string FILE_NAME = "/data/local/tmp/hiebpf.txt";
26 } // namespace
27
28 namespace OHOS {
29 namespace Developtools {
30 namespace Hiebpf {
31 class HiebpfDataFileTest : public ::testing::Test {
32 public:
SetUpTestCase()33 static void SetUpTestCase() {};
TearDownTestCase()34 static void TearDownTestCase()
35 {
36 if (access(FILE_NAME.c_str(), F_OK) == 0) {
37 std::string cmd = "rm " + FILE_NAME;
38 system(cmd.c_str());
39 }
40 }
41
SetUp()42 void SetUp() {}
TearDown()43 void TearDown() {}
44 };
45
46 /**
47 * @tc.name: MakeShared
48 * @tc.desc: Test HiebpfDataFile MakeShared
49 * @tc.type: FUNC
50 */
HWTEST_F(HiebpfDataFileTest, MakeShared, TestSize.Level1)51 HWTEST_F(HiebpfDataFileTest, MakeShared, TestSize.Level1)
52 {
53 auto hiebpfDataFile = HiebpfDataFile::MakeShared("", "");
54 EXPECT_TRUE(hiebpfDataFile == nullptr);
55
56 hiebpfDataFile = HiebpfDataFile::MakeShared("hiebpf", FILE_NAME);
57 EXPECT_TRUE(hiebpfDataFile != nullptr);
58 }
59
60 /**
61 * @tc.name: MapFile
62 * @tc.desc: Test HiebpfDataFile MapFile
63 * @tc.type: FUNC
64 */
HWTEST_F(HiebpfDataFileTest, MapFile, TestSize.Level1)65 HWTEST_F(HiebpfDataFileTest, MapFile, TestSize.Level1)
66 {
67 HiebpfDataFile hiebpfDataFile("hiebpf", FILE_NAME);
68 auto ret = hiebpfDataFile.OpenFile();
69 EXPECT_EQ(ret, 0);
70 ret = hiebpfDataFile.MapFile();
71 EXPECT_EQ(ret, 0);
72 ret = hiebpfDataFile.RemapFile(1);
73 EXPECT_EQ(ret, 0);
74
75 close(hiebpfDataFile.fd_);
76 hiebpfDataFile.fd_ = -1;
77 ret = hiebpfDataFile.MapFile();
78 EXPECT_EQ(ret, -1);
79 ret = hiebpfDataFile.RemapFile(1);
80 EXPECT_EQ(ret, -1);
81 }
82
83 /**
84 * @tc.name: WriteKernelSymbol
85 * @tc.desc: Test HiebpfDataFile WriteKernelSymbol
86 * @tc.type: FUNC
87 */
HWTEST_F(HiebpfDataFileTest, WriteKernelSymbol, TestSize.Level1)88 HWTEST_F(HiebpfDataFileTest, WriteKernelSymbol, TestSize.Level1)
89 {
90 HiebpfDataFile hiebpfDataFile("hiebpf", FILE_NAME);
91 hiebpfDataFile.WriteKernelSymbol();
92 EXPECT_TRUE(hiebpfDataFile.mapAddr_ == MAP_FAILED);
93
94 auto ret = hiebpfDataFile.OpenFile();
95 EXPECT_EQ(ret, 0);
96 EXPECT_TRUE(hiebpfDataFile.mapAddr_ == MAP_FAILED);
97 ret = hiebpfDataFile.MapFile();
98 EXPECT_EQ(ret, 0);
99 hiebpfDataFile.WriteKernelSymbol();
100 EXPECT_TRUE(hiebpfDataFile.mapAddr_ != MAP_FAILED);
101 }
102
103 /**
104 * @tc.name: Discard
105 * @tc.desc: Test HiebpfDataFile Discard
106 * @tc.type: FUNC
107 */
HWTEST_F(HiebpfDataFileTest, Discard, TestSize.Level1)108 HWTEST_F(HiebpfDataFileTest, Discard, TestSize.Level1)
109 {
110 HiebpfDataFile hiebpfDataFile("hiebpf", FILE_NAME);
111 hiebpfDataFile.Discard(nullptr);
112
113 auto ret = hiebpfDataFile.OpenFile();
114 EXPECT_EQ(ret, 0);
115 ret = hiebpfDataFile.MapFile();
116 EXPECT_EQ(ret, 0);
117 void *dest = hiebpfDataFile.Reserve(1);
118 EXPECT_TRUE(dest != nullptr);
119 hiebpfDataFile.Discard(dest);
120 }
121 } // namespace Hiebpf
122 } // namespace Developtools
123 } // namespace OHOS
124