1 /*
2 * Copyright (c) 2021 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 <dlfcn.h>
17 #include <gtest/gtest.h>
18 #include "log.h"
19 #include "utils.h"
20 #include "libfs.h"
21 #include "KernelConstants.h"
22
23 using namespace testing::ext;
24
25 class DlopenApiTest : public testing::Test {
26 };
27
28 #define RES_DIR_DYLOAD RES_DIR_KERNEL "dyload/"
29 #define DYLOAD_TEST_DIR "/storage/data/"
30
31 /**
32 * @tc.number SUB_KERNEL_DL_API_DLOPEN_0100
33 * @tc.name the dlopen current main elf
34 * @tc.desc [C- SOFTWARE -0200]
35 */
HWTEST_F(DlopenApiTest, testDlopenSelf, Function | MediumTest | Level1)36 HWTEST_F(DlopenApiTest, testDlopenSelf, Function | MediumTest | Level1)
37 {
38 char* testELF = RES_DIR_DYLOAD "api_dlopen_self";
39
40 int rt = RunElf(testELF, NULL, NULL);
41 EXPECT_EQ(rt, 0);
42 }
43
44 /**
45 * @tc.number SUB_KERNEL_DL_API_DLOPEN_0200
46 * @tc.name dlopen error test
47 * @tc.desc [C- SOFTWARE -0200]
48 */
HWTEST_F(DlopenApiTest, testDlopenError, Function | MediumTest | Level3)49 HWTEST_F(DlopenApiTest, testDlopenError, Function | MediumTest | Level3)
50 {
51 dlerror(); // clear any old error info
52 void* h = dlopen(0, 0);
53 EXPECT_TRUE(h == NULL) << "dlopen with flag=0 succeed!";
54
55 char* errMsg = dlerror();
56 LOG("err_msg:%s", errMsg);
57 ASSERT_TRUE(errMsg != NULL) << "dlerror message is empty";
58
59 char *p = strcasestr(errMsg, "invalid mode");
60 ASSERT_TRUE(p != NULL) << "dlerror msg check failed";
61 }
62
63 /**
64 * @tc.number SUB_KERNEL_DL_API_DLSYM_0100
65 * @tc.name find self symbol use RTLD_DEFAULT.
66 * @tc.desc [C- SOFTWARE -0200]
67 */
HWTEST_F(DlopenApiTest, testDlsymSelf, Function | MediumTest | Level1)68 HWTEST_F(DlopenApiTest, testDlsymSelf, Function | MediumTest | Level1)
69 {
70 char* testELF = RES_DIR_DYLOAD "api_dlsym_self";
71
72 int rt = RunElf(testELF, NULL, NULL);
73 EXPECT_EQ(rt, 0);
74 }
75
76 /**
77 * @tc.number SUB_KERNEL_DL_API_DLSYM_0200
78 * @tc.name find symbol in next so use RTLD_NEXT.
79 * @tc.desc [C- SOFTWARE -0200]
80 */
HWTEST_F(DlopenApiTest, testDlsymNext, Function | MediumTest | Level1)81 HWTEST_F(DlopenApiTest, testDlsymNext, Function | MediumTest | Level1)
82 {
83 char* resSO = RES_DIR_DYLOAD "libdso1.so";
84 char* newSO = DYLOAD_TEST_DIR "libdso1.so";
85
86 // test SetUp
87 ASSERT_EQ(CopyFile(resSO, newSO), 0);
88 LOG("SetUp ok");
89
90 char* testELF = RES_DIR_DYLOAD "api_dlsym_next";
91
92 int rt = RunElf(testELF, NULL, NULL);
93 EXPECT_EQ(rt, 0);
94
95 // test TearDown
96 ASSERT_EQ(RemoveFile(newSO), 0);
97 LOG("TearDown ok ");
98 }
99