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Diffstat (limited to 'libnativeloader/native_loader_test.cpp')
| -rw-r--r-- | libnativeloader/native_loader_test.cpp | 663 |
1 files changed, 663 insertions, 0 deletions
diff --git a/libnativeloader/native_loader_test.cpp b/libnativeloader/native_loader_test.cpp new file mode 100644 index 0000000000..8bd7386eea --- /dev/null +++ b/libnativeloader/native_loader_test.cpp @@ -0,0 +1,663 @@ +/* + * Copyright (C) 2019 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <dlfcn.h> +#include <memory> +#include <unordered_map> + +#include <android-base/strings.h> +#include <gmock/gmock.h> +#include <gtest/gtest.h> +#include <jni.h> + +#include "native_loader_namespace.h" +#include "nativeloader/dlext_namespaces.h" +#include "nativeloader/native_loader.h" +#include "public_libraries.h" + +using namespace ::testing; +using namespace ::android::nativeloader::internal; + +namespace android { +namespace nativeloader { + +// gmock interface that represents interested platform APIs on libdl and libnativebridge +class Platform { + public: + virtual ~Platform() {} + + // libdl APIs + virtual void* dlopen(const char* filename, int flags) = 0; + virtual int dlclose(void* handle) = 0; + virtual char* dlerror(void) = 0; + + // These mock_* are the APIs semantically the same across libdl and libnativebridge. + // Instead of having two set of mock APIs for the two, define only one set with an additional + // argument 'bool bridged' to identify the context (i.e., called for libdl or libnativebridge). + typedef char* mock_namespace_handle; + virtual bool mock_init_anonymous_namespace(bool bridged, const char* sonames, + const char* search_paths) = 0; + virtual mock_namespace_handle mock_create_namespace( + bool bridged, const char* name, const char* ld_library_path, const char* default_library_path, + uint64_t type, const char* permitted_when_isolated_path, mock_namespace_handle parent) = 0; + virtual bool mock_link_namespaces(bool bridged, mock_namespace_handle from, + mock_namespace_handle to, const char* sonames) = 0; + virtual mock_namespace_handle mock_get_exported_namespace(bool bridged, const char* name) = 0; + virtual void* mock_dlopen_ext(bool bridged, const char* filename, int flags, + mock_namespace_handle ns) = 0; + + // libnativebridge APIs for which libdl has no corresponding APIs + virtual bool NativeBridgeInitialized() = 0; + virtual const char* NativeBridgeGetError() = 0; + virtual bool NativeBridgeIsPathSupported(const char*) = 0; + virtual bool NativeBridgeIsSupported(const char*) = 0; + + // To mock "ClassLoader Object.getParent()" + virtual const char* JniObject_getParent(const char*) = 0; +}; + +// The mock does not actually create a namespace object. But simply casts the pointer to the +// string for the namespace name as the handle to the namespace object. +#define TO_ANDROID_NAMESPACE(str) \ + reinterpret_cast<struct android_namespace_t*>(const_cast<char*>(str)) + +#define TO_BRIDGED_NAMESPACE(str) \ + reinterpret_cast<struct native_bridge_namespace_t*>(const_cast<char*>(str)) + +#define TO_MOCK_NAMESPACE(ns) reinterpret_cast<Platform::mock_namespace_handle>(ns) + +// These represents built-in namespaces created by the linker according to ld.config.txt +static std::unordered_map<std::string, Platform::mock_namespace_handle> namespaces = { + {"platform", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("platform"))}, + {"default", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("default"))}, + {"art", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("art"))}, + {"sphal", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("sphal"))}, + {"vndk", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("vndk"))}, + {"neuralnetworks", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("neuralnetworks"))}, +}; + +// The actual gmock object +class MockPlatform : public Platform { + public: + explicit MockPlatform(bool is_bridged) : is_bridged_(is_bridged) { + ON_CALL(*this, NativeBridgeIsSupported(_)).WillByDefault(Return(is_bridged_)); + ON_CALL(*this, NativeBridgeIsPathSupported(_)).WillByDefault(Return(is_bridged_)); + ON_CALL(*this, mock_get_exported_namespace(_, _)) + .WillByDefault(Invoke([](bool, const char* name) -> mock_namespace_handle { + if (namespaces.find(name) != namespaces.end()) { + return namespaces[name]; + } + return TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("(namespace not found")); + })); + } + + // Mocking libdl APIs + MOCK_METHOD2(dlopen, void*(const char*, int)); + MOCK_METHOD1(dlclose, int(void*)); + MOCK_METHOD0(dlerror, char*()); + + // Mocking the common APIs + MOCK_METHOD3(mock_init_anonymous_namespace, bool(bool, const char*, const char*)); + MOCK_METHOD7(mock_create_namespace, + mock_namespace_handle(bool, const char*, const char*, const char*, uint64_t, + const char*, mock_namespace_handle)); + MOCK_METHOD4(mock_link_namespaces, + bool(bool, mock_namespace_handle, mock_namespace_handle, const char*)); + MOCK_METHOD2(mock_get_exported_namespace, mock_namespace_handle(bool, const char*)); + MOCK_METHOD4(mock_dlopen_ext, void*(bool, const char*, int, mock_namespace_handle)); + + // Mocking libnativebridge APIs + MOCK_METHOD0(NativeBridgeInitialized, bool()); + MOCK_METHOD0(NativeBridgeGetError, const char*()); + MOCK_METHOD1(NativeBridgeIsPathSupported, bool(const char*)); + MOCK_METHOD1(NativeBridgeIsSupported, bool(const char*)); + + // Mocking "ClassLoader Object.getParent()" + MOCK_METHOD1(JniObject_getParent, const char*(const char*)); + + private: + bool is_bridged_; +}; + +static std::unique_ptr<MockPlatform> mock; + +// Provide C wrappers for the mock object. +extern "C" { +void* dlopen(const char* file, int flag) { + return mock->dlopen(file, flag); +} + +int dlclose(void* handle) { + return mock->dlclose(handle); +} + +char* dlerror(void) { + return mock->dlerror(); +} + +bool android_init_anonymous_namespace(const char* sonames, const char* search_path) { + return mock->mock_init_anonymous_namespace(false, sonames, search_path); +} + +struct android_namespace_t* android_create_namespace(const char* name, const char* ld_library_path, + const char* default_library_path, + uint64_t type, + const char* permitted_when_isolated_path, + struct android_namespace_t* parent) { + return TO_ANDROID_NAMESPACE( + mock->mock_create_namespace(false, name, ld_library_path, default_library_path, type, + permitted_when_isolated_path, TO_MOCK_NAMESPACE(parent))); +} + +bool android_link_namespaces(struct android_namespace_t* from, struct android_namespace_t* to, + const char* sonames) { + return mock->mock_link_namespaces(false, TO_MOCK_NAMESPACE(from), TO_MOCK_NAMESPACE(to), sonames); +} + +struct android_namespace_t* android_get_exported_namespace(const char* name) { + return TO_ANDROID_NAMESPACE(mock->mock_get_exported_namespace(false, name)); +} + +void* android_dlopen_ext(const char* filename, int flags, const android_dlextinfo* info) { + return mock->mock_dlopen_ext(false, filename, flags, TO_MOCK_NAMESPACE(info->library_namespace)); +} + +// libnativebridge APIs +bool NativeBridgeIsSupported(const char* libpath) { + return mock->NativeBridgeIsSupported(libpath); +} + +struct native_bridge_namespace_t* NativeBridgeGetExportedNamespace(const char* name) { + return TO_BRIDGED_NAMESPACE(mock->mock_get_exported_namespace(true, name)); +} + +struct native_bridge_namespace_t* NativeBridgeCreateNamespace( + const char* name, const char* ld_library_path, const char* default_library_path, uint64_t type, + const char* permitted_when_isolated_path, struct native_bridge_namespace_t* parent) { + return TO_BRIDGED_NAMESPACE( + mock->mock_create_namespace(true, name, ld_library_path, default_library_path, type, + permitted_when_isolated_path, TO_MOCK_NAMESPACE(parent))); +} + +bool NativeBridgeLinkNamespaces(struct native_bridge_namespace_t* from, + struct native_bridge_namespace_t* to, const char* sonames) { + return mock->mock_link_namespaces(true, TO_MOCK_NAMESPACE(from), TO_MOCK_NAMESPACE(to), sonames); +} + +void* NativeBridgeLoadLibraryExt(const char* libpath, int flag, + struct native_bridge_namespace_t* ns) { + return mock->mock_dlopen_ext(true, libpath, flag, TO_MOCK_NAMESPACE(ns)); +} + +bool NativeBridgeInitialized() { + return mock->NativeBridgeInitialized(); +} + +bool NativeBridgeInitAnonymousNamespace(const char* public_ns_sonames, + const char* anon_ns_library_path) { + return mock->mock_init_anonymous_namespace(true, public_ns_sonames, anon_ns_library_path); +} + +const char* NativeBridgeGetError() { + return mock->NativeBridgeGetError(); +} + +bool NativeBridgeIsPathSupported(const char* path) { + return mock->NativeBridgeIsPathSupported(path); +} + +} // extern "C" + +// A very simple JNI mock. +// jstring is a pointer to utf8 char array. We don't need utf16 char here. +// jobject, jclass, and jmethodID are also a pointer to utf8 char array +// Only a few JNI methods that are actually used in libnativeloader are mocked. +JNINativeInterface* CreateJNINativeInterface() { + JNINativeInterface* inf = new JNINativeInterface(); + memset(inf, 0, sizeof(JNINativeInterface)); + + inf->GetStringUTFChars = [](JNIEnv*, jstring s, jboolean*) -> const char* { + return reinterpret_cast<const char*>(s); + }; + + inf->ReleaseStringUTFChars = [](JNIEnv*, jstring, const char*) -> void { return; }; + + inf->NewStringUTF = [](JNIEnv*, const char* bytes) -> jstring { + return reinterpret_cast<jstring>(const_cast<char*>(bytes)); + }; + + inf->FindClass = [](JNIEnv*, const char* name) -> jclass { + return reinterpret_cast<jclass>(const_cast<char*>(name)); + }; + + inf->CallObjectMethodV = [](JNIEnv*, jobject obj, jmethodID mid, va_list) -> jobject { + if (strcmp("getParent", reinterpret_cast<const char*>(mid)) == 0) { + // JniObject_getParent can be a valid jobject or nullptr if there is + // no parent classloader. + const char* ret = mock->JniObject_getParent(reinterpret_cast<const char*>(obj)); + return reinterpret_cast<jobject>(const_cast<char*>(ret)); + } + return nullptr; + }; + + inf->GetMethodID = [](JNIEnv*, jclass, const char* name, const char*) -> jmethodID { + return reinterpret_cast<jmethodID>(const_cast<char*>(name)); + }; + + inf->NewWeakGlobalRef = [](JNIEnv*, jobject obj) -> jobject { return obj; }; + + inf->IsSameObject = [](JNIEnv*, jobject a, jobject b) -> jboolean { + return strcmp(reinterpret_cast<const char*>(a), reinterpret_cast<const char*>(b)) == 0; + }; + + return inf; +} + +static void* const any_nonnull = reinterpret_cast<void*>(0x12345678); + +// Custom matcher for comparing namespace handles +MATCHER_P(NsEq, other, "") { + *result_listener << "comparing " << reinterpret_cast<const char*>(arg) << " and " << other; + return strcmp(reinterpret_cast<const char*>(arg), reinterpret_cast<const char*>(other)) == 0; +} + +///////////////////////////////////////////////////////////////// + +// Test fixture +class NativeLoaderTest : public ::testing::TestWithParam<bool> { + protected: + bool IsBridged() { return GetParam(); } + + void SetUp() override { + mock = std::make_unique<NiceMock<MockPlatform>>(IsBridged()); + + env = std::make_unique<JNIEnv>(); + env->functions = CreateJNINativeInterface(); + } + + void SetExpectations() { + std::vector<std::string> default_public_libs = + android::base::Split(preloadable_public_libraries(), ":"); + for (auto l : default_public_libs) { + EXPECT_CALL(*mock, dlopen(StrEq(l.c_str()), RTLD_NOW | RTLD_NODELETE)) + .WillOnce(Return(any_nonnull)); + } + } + + void RunTest() { InitializeNativeLoader(); } + + void TearDown() override { + ResetNativeLoader(); + delete env->functions; + mock.reset(); + } + + std::unique_ptr<JNIEnv> env; +}; + +///////////////////////////////////////////////////////////////// + +TEST_P(NativeLoaderTest, InitializeLoadsDefaultPublicLibraries) { + SetExpectations(); + RunTest(); +} + +INSTANTIATE_TEST_SUITE_P(NativeLoaderTests, NativeLoaderTest, testing::Bool()); + +///////////////////////////////////////////////////////////////// + +class NativeLoaderTest_Create : public NativeLoaderTest { + protected: + // Test inputs (initialized to the default values). Overriding these + // must be done before calling SetExpectations() and RunTest(). + uint32_t target_sdk_version = 29; + std::string class_loader = "my_classloader"; + bool is_shared = false; + std::string dex_path = "/data/app/foo/classes.dex"; + std::string library_path = "/data/app/foo/lib/arm"; + std::string permitted_path = "/data/app/foo/lib"; + + // expected output (.. for the default test inputs) + std::string expected_namespace_name = "classloader-namespace"; + uint64_t expected_namespace_flags = + ANDROID_NAMESPACE_TYPE_ISOLATED | ANDROID_NAMESPACE_TYPE_ALSO_USED_AS_ANONYMOUS; + std::string expected_library_path = library_path; + std::string expected_permitted_path = std::string("/data:/mnt/expand:") + permitted_path; + std::string expected_parent_namespace = "platform"; + bool expected_link_with_platform_ns = true; + bool expected_link_with_art_ns = true; + bool expected_link_with_sphal_ns = !vendor_public_libraries().empty(); + bool expected_link_with_vndk_ns = false; + bool expected_link_with_default_ns = false; + bool expected_link_with_neuralnetworks_ns = true; + std::string expected_shared_libs_to_platform_ns = default_public_libraries(); + std::string expected_shared_libs_to_art_ns = art_public_libraries(); + std::string expected_shared_libs_to_sphal_ns = vendor_public_libraries(); + std::string expected_shared_libs_to_vndk_ns = vndksp_libraries(); + std::string expected_shared_libs_to_default_ns = default_public_libraries(); + std::string expected_shared_libs_to_neuralnetworks_ns = neuralnetworks_public_libraries(); + + void SetExpectations() { + NativeLoaderTest::SetExpectations(); + + ON_CALL(*mock, JniObject_getParent(StrEq(class_loader))).WillByDefault(Return(nullptr)); + + EXPECT_CALL(*mock, NativeBridgeIsPathSupported(_)).Times(AnyNumber()); + EXPECT_CALL(*mock, NativeBridgeInitialized()).Times(AnyNumber()); + + EXPECT_CALL(*mock, mock_create_namespace( + Eq(IsBridged()), StrEq(expected_namespace_name), nullptr, + StrEq(expected_library_path), expected_namespace_flags, + StrEq(expected_permitted_path), NsEq(expected_parent_namespace.c_str()))) + .WillOnce(Return(TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(dex_path.c_str())))); + if (expected_link_with_platform_ns) { + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("platform"), + StrEq(expected_shared_libs_to_platform_ns))) + .WillOnce(Return(true)); + } + if (expected_link_with_art_ns) { + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("art"), + StrEq(expected_shared_libs_to_art_ns))) + .WillOnce(Return(true)); + } + if (expected_link_with_sphal_ns) { + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("sphal"), + StrEq(expected_shared_libs_to_sphal_ns))) + .WillOnce(Return(true)); + } + if (expected_link_with_vndk_ns) { + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("vndk"), + StrEq(expected_shared_libs_to_vndk_ns))) + .WillOnce(Return(true)); + } + if (expected_link_with_default_ns) { + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("default"), + StrEq(expected_shared_libs_to_default_ns))) + .WillOnce(Return(true)); + } + if (expected_link_with_neuralnetworks_ns) { + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("neuralnetworks"), + StrEq(expected_shared_libs_to_neuralnetworks_ns))) + .WillOnce(Return(true)); + } + } + + void RunTest() { + NativeLoaderTest::RunTest(); + + jstring err = CreateClassLoaderNamespace( + env(), target_sdk_version, env()->NewStringUTF(class_loader.c_str()), is_shared, + env()->NewStringUTF(dex_path.c_str()), env()->NewStringUTF(library_path.c_str()), + env()->NewStringUTF(permitted_path.c_str())); + + // no error + EXPECT_EQ(err, nullptr); + + if (!IsBridged()) { + struct android_namespace_t* ns = + FindNamespaceByClassLoader(env(), env()->NewStringUTF(class_loader.c_str())); + + // The created namespace is for this apk + EXPECT_EQ(dex_path.c_str(), reinterpret_cast<const char*>(ns)); + } else { + struct NativeLoaderNamespace* ns = + FindNativeLoaderNamespaceByClassLoader(env(), env()->NewStringUTF(class_loader.c_str())); + + // The created namespace is for the this apk + EXPECT_STREQ(dex_path.c_str(), + reinterpret_cast<const char*>(ns->ToRawNativeBridgeNamespace())); + } + } + + JNIEnv* env() { return NativeLoaderTest::env.get(); } +}; + +TEST_P(NativeLoaderTest_Create, DownloadedApp) { + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, BundledSystemApp) { + dex_path = "/system/app/foo/foo.apk"; + is_shared = true; + + expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, BundledVendorApp) { + dex_path = "/vendor/app/foo/foo.apk"; + is_shared = true; + + expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, UnbundledVendorApp) { + dex_path = "/vendor/app/foo/foo.apk"; + is_shared = false; + + expected_namespace_name = "vendor-classloader-namespace"; + expected_library_path = expected_library_path + ":/vendor/lib"; + expected_permitted_path = expected_permitted_path + ":/vendor/lib"; + expected_shared_libs_to_platform_ns = + expected_shared_libs_to_platform_ns + ":" + llndk_libraries(); + expected_link_with_vndk_ns = true; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, BundledProductApp_pre30) { + dex_path = "/product/app/foo/foo.apk"; + is_shared = true; + + expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, BundledProductApp_post30) { + dex_path = "/product/app/foo/foo.apk"; + is_shared = true; + target_sdk_version = 30; + + expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, UnbundledProductApp_pre30) { + dex_path = "/product/app/foo/foo.apk"; + is_shared = false; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, UnbundledProductApp_post30) { + dex_path = "/product/app/foo/foo.apk"; + is_shared = false; + target_sdk_version = 30; + + expected_namespace_name = "vendor-classloader-namespace"; + expected_library_path = expected_library_path + ":/product/lib:/system/product/lib"; + expected_permitted_path = expected_permitted_path + ":/product/lib:/system/product/lib"; + expected_shared_libs_to_platform_ns = + expected_shared_libs_to_platform_ns + ":" + llndk_libraries(); + expected_link_with_vndk_ns = true; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, NamespaceForSharedLibIsNotUsedAsAnonymousNamespace) { + if (IsBridged()) { + // There is no shared lib in translated arch + // TODO(jiyong): revisit this + return; + } + // compared to apks, for java shared libs, library_path is empty; java shared + // libs don't have their own native libs. They use platform's. + library_path = ""; + expected_library_path = library_path; + // no ALSO_USED_AS_ANONYMOUS + expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED; + SetExpectations(); + RunTest(); +} + +TEST_P(NativeLoaderTest_Create, TwoApks) { + SetExpectations(); + const uint32_t second_app_target_sdk_version = 29; + const std::string second_app_class_loader = "second_app_classloader"; + const bool second_app_is_shared = false; + const std::string second_app_dex_path = "/data/app/bar/classes.dex"; + const std::string second_app_library_path = "/data/app/bar/lib/arm"; + const std::string second_app_permitted_path = "/data/app/bar/lib"; + const std::string expected_second_app_permitted_path = + std::string("/data:/mnt/expand:") + second_app_permitted_path; + const std::string expected_second_app_parent_namespace = "classloader-namespace"; + // no ALSO_USED_AS_ANONYMOUS + const uint64_t expected_second_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED; + + // The scenario is that second app is loaded by the first app. + // So the first app's classloader (`classloader`) is parent of the second + // app's classloader. + ON_CALL(*mock, JniObject_getParent(StrEq(second_app_class_loader))) + .WillByDefault(Return(class_loader.c_str())); + + // namespace for the second app is created. Its parent is set to the namespace + // of the first app. + EXPECT_CALL(*mock, mock_create_namespace( + Eq(IsBridged()), StrEq(expected_namespace_name), nullptr, + StrEq(second_app_library_path), expected_second_namespace_flags, + StrEq(expected_second_app_permitted_path), NsEq(dex_path.c_str()))) + .WillOnce(Return(TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(second_app_dex_path.c_str())))); + EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), NsEq(second_app_dex_path.c_str()), _, _)) + .WillRepeatedly(Return(true)); + + RunTest(); + jstring err = CreateClassLoaderNamespace( + env(), second_app_target_sdk_version, env()->NewStringUTF(second_app_class_loader.c_str()), + second_app_is_shared, env()->NewStringUTF(second_app_dex_path.c_str()), + env()->NewStringUTF(second_app_library_path.c_str()), + env()->NewStringUTF(second_app_permitted_path.c_str())); + + // success + EXPECT_EQ(err, nullptr); + + if (!IsBridged()) { + struct android_namespace_t* ns = + FindNamespaceByClassLoader(env(), env()->NewStringUTF(second_app_class_loader.c_str())); + + // The created namespace is for the second apk + EXPECT_EQ(second_app_dex_path.c_str(), reinterpret_cast<const char*>(ns)); + } else { + struct NativeLoaderNamespace* ns = FindNativeLoaderNamespaceByClassLoader( + env(), env()->NewStringUTF(second_app_class_loader.c_str())); + + // The created namespace is for the second apk + EXPECT_STREQ(second_app_dex_path.c_str(), + reinterpret_cast<const char*>(ns->ToRawNativeBridgeNamespace())); + } +} + +INSTANTIATE_TEST_SUITE_P(NativeLoaderTests_Create, NativeLoaderTest_Create, testing::Bool()); + +const std::function<Result<bool>(const struct ConfigEntry&)> always_true = + [](const struct ConfigEntry&) -> Result<bool> { return true; }; + +TEST(NativeLoaderConfigParser, NamesAndComments) { + const char file_content[] = R"( +###### + +libA.so +#libB.so + + + libC.so +libD.so + #### libE.so +)"; + const std::vector<std::string> expected_result = {"libA.so", "libC.so", "libD.so"}; + Result<std::vector<std::string>> result = ParseConfig(file_content, always_true); + ASSERT_TRUE(result) << result.error().message(); + ASSERT_EQ(expected_result, *result); +} + +TEST(NativeLoaderConfigParser, WithBitness) { + const char file_content[] = R"( +libA.so 32 +libB.so 64 +libC.so +)"; +#if defined(__LP64__) + const std::vector<std::string> expected_result = {"libB.so", "libC.so"}; +#else + const std::vector<std::string> expected_result = {"libA.so", "libC.so"}; +#endif + Result<std::vector<std::string>> result = ParseConfig(file_content, always_true); + ASSERT_TRUE(result) << result.error().message(); + ASSERT_EQ(expected_result, *result); +} + +TEST(NativeLoaderConfigParser, WithNoPreload) { + const char file_content[] = R"( +libA.so nopreload +libB.so nopreload +libC.so +)"; + + const std::vector<std::string> expected_result = {"libC.so"}; + Result<std::vector<std::string>> result = + ParseConfig(file_content, + [](const struct ConfigEntry& entry) -> Result<bool> { return !entry.nopreload; }); + ASSERT_TRUE(result) << result.error().message(); + ASSERT_EQ(expected_result, *result); +} + +TEST(NativeLoaderConfigParser, WithNoPreloadAndBitness) { + const char file_content[] = R"( +libA.so nopreload 32 +libB.so 64 nopreload +libC.so 32 +libD.so 64 +libE.so nopreload +)"; + +#if defined(__LP64__) + const std::vector<std::string> expected_result = {"libD.so"}; +#else + const std::vector<std::string> expected_result = {"libC.so"}; +#endif + Result<std::vector<std::string>> result = + ParseConfig(file_content, + [](const struct ConfigEntry& entry) -> Result<bool> { return !entry.nopreload; }); + ASSERT_TRUE(result) << result.error().message(); + ASSERT_EQ(expected_result, *result); +} + +TEST(NativeLoaderConfigParser, RejectMalformed) { + ASSERT_FALSE(ParseConfig("libA.so 32 64", always_true)); + ASSERT_FALSE(ParseConfig("libA.so 32 32", always_true)); + ASSERT_FALSE(ParseConfig("libA.so 32 nopreload 64", always_true)); + ASSERT_FALSE(ParseConfig("32 libA.so nopreload", always_true)); + ASSERT_FALSE(ParseConfig("nopreload libA.so 32", always_true)); + ASSERT_FALSE(ParseConfig("libA.so nopreload # comment", always_true)); +} + +} // namespace nativeloader +} // namespace android |