1 /*
2 * Copyright (c) 2024 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 <gtest/gtest.h>
17 #include "dynamic_loader.h"
18 #include <dlfcn.h> // For dlerror
19
20 using namespace testing;
21 using namespace testing::ext;
22
23 class DynamicLoaderOhosTest : public testing::Test {
24 public:
DynamicLoaderOhosTest()25 DynamicLoaderOhosTest()
26 {}
~DynamicLoaderOhosTest()27 ~DynamicLoaderOhosTest()
28 {}
29 static void SetUpTestCase(void);
30 static void TearDownTestCase(void);
31 void SetUp() override;
32 void TearDown() override;
33 };
34
SetUpTestCase(void)35 void DynamicLoaderOhosTest::SetUpTestCase(void)
36 {}
37
TearDownTestCase(void)38 void DynamicLoaderOhosTest::TearDownTestCase(void)
39 {}
40
SetUp(void)41 void DynamicLoaderOhosTest::SetUp(void)
42 {}
43
TearDown(void)44 void DynamicLoaderOhosTest::TearDown(void)
45 {}
46
47 /**
48 * @tc.name: DynamicLoaderOhosTestInitNamespace_0100
49 * @tc.desc: DynamicLoaderOhosTest test for dynamic_init_namespace.
50 * @tc.type: FUNC
51 */
52 HWTEST_F(DynamicLoaderOhosTest, DynamicLoaderOhosTestInitNamespace_0100, TestSize.Level1)
53 {
54 Dl_namespace ns;
55 const char* name = "test_namespace";
56
57 // Test success
58 DynamicInitNamespace(&ns, "test_entries", name);
59 EXPECT_STREQ(DynamicGetError(), "");
60
61 // Test duplicate init
62 DynamicInitNamespace(&ns, "test_entries", name);
63 EXPECT_STREQ(DynamicGetError(), "");
64 }
65
66 /**
67 * @tc.name: DynamicLoaderOhosTestLoadLibrary_0100
68 * @tc.desc: DynamicLoaderOhosTest test for dynamic_load_library.
69 * @tc.type: FUNC
70 */
71 HWTEST_F(DynamicLoaderOhosTest, DynamicLoaderOhosTestLoadLibrary_0100, TestSize.Level1)
72 {
73 Dl_namespace ns;
74
75 // Test success
76 auto handle = DynamicLoadLibrary(&ns, "test_library.so", RTLD_LAZY);
77 const char* dlerror = DynamicGetError();
78 DynamicLoadLibrary(nullptr, "test_library.so", RTLD_LAZY);
79 EXPECT_NE(dlerror, nullptr);
80 }
81
82 /**
83 * @tc.name: DynamicLoaderOhosTestFindSymbol_0100
84 * @tc.desc: DynamicLoaderOhosTest test for dynamic_find_symbol.
85 * @tc.type: FUNC
86 */
87 HWTEST_F(DynamicLoaderOhosTest, DynamicLoaderOhosTestFindSymbol_0100, TestSize.Level1)
88 {
89 void* so = reinterpret_cast<void*>(1);
90 const char* symbol = "test_symbol";
91
92 // Test success
93 void* result = DynamicFindSymbol(so, symbol);
94 EXPECT_EQ(result, dlsym(so, symbol));
95 }
96
97 /**
98 * @tc.name: DynamicLoaderOhosTestGetError_0100
99 * @tc.desc: DynamicLoaderOhosTest test for dynamic_get_error.
100 * @tc.type: FUNC
101 */
102 HWTEST_F(DynamicLoaderOhosTest, DynamicLoaderOhosTestGetError_0100, TestSize.Level1)
103 {
104 const char* symbol = "test_symbol";
105 unsigned int mode = RTLD_LAZY;
106
107 // Test dlerror with an error message
108 void* result = DynamicLoadLibrary(nullptr, symbol, mode);
109 EXPECT_EQ(result, dlopen(symbol, mode));
110 }