1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "read_apk.h"
18 
19 #include <gtest/gtest.h>
20 #include "get_test_data.h"
21 #include "test_util.h"
22 
23 
TEST(read_apk,IsValidApkPath)24 TEST(read_apk, IsValidApkPath) {
25   ASSERT_FALSE(IsValidApkPath("/dev/zero"));
26   ASSERT_FALSE(IsValidApkPath(GetTestData(ELF_FILE)));
27   ASSERT_TRUE(IsValidApkPath(GetTestData(APK_FILE)));
28 }
29 
TEST(read_apk,FindElfInApkByOffset)30 TEST(read_apk, FindElfInApkByOffset) {
31   ApkInspector inspector;
32   ASSERT_TRUE(inspector.FindElfInApkByOffset("/dev/null", 0) == nullptr);
33   ASSERT_TRUE(inspector.FindElfInApkByOffset(GetTestData(APK_FILE), 0) == nullptr);
34   // Test if we can read the EmbeddedElf using an offset inside its [offset, offset+size] range
35   // in the apk file.
36   EmbeddedElf* ee = inspector.FindElfInApkByOffset(GetTestData(APK_FILE),
37                                                    NATIVELIB_OFFSET_IN_APK + NATIVELIB_SIZE_IN_APK / 2);
38   ASSERT_TRUE(ee != nullptr);
39   ASSERT_EQ(NATIVELIB_IN_APK, ee->entry_name());
40   ASSERT_EQ(NATIVELIB_OFFSET_IN_APK, ee->entry_offset());
41   ASSERT_EQ(NATIVELIB_SIZE_IN_APK, ee->entry_size());
42 }
43 
TEST(read_apk,FindElfInApkByName)44 TEST(read_apk, FindElfInApkByName) {
45   ASSERT_TRUE(ApkInspector::FindElfInApkByName("/dev/null", "") == nullptr);
46   ASSERT_TRUE(ApkInspector::FindElfInApkByName(GetTestData(APK_FILE), "") == nullptr);
47   auto ee = ApkInspector::FindElfInApkByName(GetTestData(APK_FILE), NATIVELIB_IN_APK);
48   ASSERT_TRUE(ee != nullptr);
49   ASSERT_EQ(NATIVELIB_OFFSET_IN_APK, ee->entry_offset());
50   ASSERT_EQ(NATIVELIB_SIZE_IN_APK, ee->entry_size());
51 }
52 
TEST(read_apk,GetBuildIdFromApkFile)53 TEST(read_apk, GetBuildIdFromApkFile) {
54   BuildId build_id;
55   ASSERT_EQ(ElfStatus::NO_ERROR, GetBuildIdFromApkFile(GetTestData(APK_FILE), NATIVELIB_IN_APK, &build_id));
56   ASSERT_EQ(build_id, native_lib_build_id);
57 }
58 
TEST(read_apk,ParseSymbolsFromApkFile)59 TEST(read_apk, ParseSymbolsFromApkFile) {
60   std::map<std::string, ElfFileSymbol> symbols;
61   ASSERT_EQ(ElfStatus::NO_SYMBOL_TABLE,
62             ParseSymbolsFromApkFile(GetTestData(APK_FILE), NATIVELIB_IN_APK, native_lib_build_id,
63                                     std::bind(ParseSymbol, std::placeholders::_1, &symbols)));
64   CheckElfFileSymbols(symbols);
65 }
66