libs/androidfw/tests/LoadedArsc_test.cpp - android_frameworks_base - Gitiles

 /*
  * Copyright (C) 2016 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 "androidfw/LoadedArsc.h"

 #include "android-base/file.h"
 #include "androidfw/ResourceUtils.h"

 #include "TestHelpers.h"
 #include "data/basic/R.h"
 #include "data/libclient/R.h"
 #include "data/overlayable/R.h"
 #include "data/sparse/R.h"
 #include "data/styles/R.h"
 #include "data/system/R.h"

 namespace app = com::android::app;
 namespace basic = com::android::basic;
 namespace libclient = com::android::libclient;
 namespace overlayable = com::android::overlayable;
 namespace sparse = com::android::sparse;

 using ::android::base::ReadFileToString;
 using ::testing::Eq;
 using ::testing::Ge;
 using ::testing::IsNull;
 using ::testing::NotNull;
 using ::testing::SizeIs;
 using ::testing::StrEq;

 using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags;

 namespace android {

 TEST(LoadedArscTest, LoadSinglePackageArsc) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/styles/styles.apk", "resources.arsc",
                                       &contents));

   auto loaded_arsc = LoadedArsc::Load(reinterpret_cast<const void*>(contents.data()),
                                                                     contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   const LoadedPackage* package =
       loaded_arsc->GetPackageById(get_package_id(app::R::string::string_one));
   ASSERT_THAT(package, NotNull());
   EXPECT_THAT(package->GetPackageName(), StrEq("com.android.app"));
   EXPECT_THAT(package->GetPackageId(), Eq(0x7f));

   const uint8_t type_index = get_type_id(app::R::string::string_one) - 1;
   const uint16_t entry_index = get_entry_id(app::R::string::string_one);

   const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

   auto type = type_spec->type_entries[0];
   ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
 }

 TEST(LoadedArscTest, LoadSparseEntryApp) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
                                       &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   const LoadedPackage* package =
       loaded_arsc->GetPackageById(get_package_id(sparse::R::integer::foo_9));
   ASSERT_THAT(package, NotNull());

   const uint8_t type_index = get_type_id(sparse::R::integer::foo_9) - 1;
   const uint16_t entry_index = get_entry_id(sparse::R::integer::foo_9);

   const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

   auto type = type_spec->type_entries[0];
   ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
 }

 TEST(LoadedArscTest, FindSparseEntryApp) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
                                       &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   const LoadedPackage* package =
       loaded_arsc->GetPackageById(get_package_id(sparse::R::string::only_v26));
   ASSERT_THAT(package, NotNull());

   const uint8_t type_index = get_type_id(sparse::R::string::only_v26) - 1;
   const uint16_t entry_index = get_entry_id(sparse::R::string::only_v26);

   const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

   // Ensure that AAPT2 sparsely encoded the v26 config as expected.
   auto type_entry = std::find_if(
     type_spec->type_entries.begin(), type_spec->type_entries.end(),
     [](const TypeSpec::TypeEntry& x) { return x.config.sdkVersion == 26; });
   ASSERT_NE(type_entry, type_spec->type_entries.end());
   ASSERT_NE(type_entry->type->flags & ResTable_type::FLAG_SPARSE, 0);

   // Test fetching a resource with only sparsely encoded configs by name.
   auto id = package->FindEntryByName(u"string", u"only_v26");
   ASSERT_EQ(id.value(), fix_package_id(sparse::R::string::only_v26, 0));
 }

 TEST(LoadedArscTest, LoadSharedLibrary) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/lib_one/lib_one.apk", "resources.arsc",
                                       &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   const auto& packages = loaded_arsc->GetPackages();
   ASSERT_THAT(packages, SizeIs(1u));
   EXPECT_TRUE(packages[0]->IsDynamic());
   EXPECT_THAT(packages[0]->GetPackageName(), StrEq("com.android.lib_one"));
   EXPECT_THAT(packages[0]->GetPackageId(), Eq(0));

   const auto& dynamic_pkg_map = packages[0]->GetDynamicPackageMap();

   // The library has no dependencies.
   ASSERT_TRUE(dynamic_pkg_map.empty());
 }

 TEST(LoadedArscTest, LoadAppLinkedAgainstSharedLibrary) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/libclient/libclient.apk",
                                       "resources.arsc", &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   const auto& packages = loaded_arsc->GetPackages();
   ASSERT_THAT(packages, SizeIs(1u));
   EXPECT_FALSE(packages[0]->IsDynamic());
   EXPECT_THAT(packages[0]->GetPackageName(), StrEq("com.android.libclient"));
   EXPECT_THAT(packages[0]->GetPackageId(), Eq(0x7f));

   const auto& dynamic_pkg_map = packages[0]->GetDynamicPackageMap();

   // The library has two dependencies.
   ASSERT_THAT(dynamic_pkg_map, SizeIs(2u));
   EXPECT_THAT(dynamic_pkg_map[0].package_name, StrEq("com.android.lib_one"));
   EXPECT_THAT(dynamic_pkg_map[0].package_id, Eq(0x02));

   EXPECT_THAT(dynamic_pkg_map[1].package_name, StrEq("com.android.lib_two"));
   EXPECT_THAT(dynamic_pkg_map[1].package_id, Eq(0x03));
 }

 TEST(LoadedArscTest, LoadAppAsSharedLibrary) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/appaslib/appaslib.apk",
                                       "resources.arsc", &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length(),
                                                                    nullptr /* loaded_idmap */,
                                                                    PROPERTY_DYNAMIC);
   ASSERT_THAT(loaded_arsc, NotNull());

   const auto& packages = loaded_arsc->GetPackages();
   ASSERT_THAT(packages, SizeIs(1u));
   EXPECT_TRUE(packages[0]->IsDynamic());
   EXPECT_THAT(packages[0]->GetPackageId(), Eq(0x7f));
 }

 TEST(LoadedArscTest, LoadFeatureSplit) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/feature/feature.apk", "resources.arsc",
                                       &contents));
   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   const LoadedPackage* package =
       loaded_arsc->GetPackageById(get_package_id(basic::R::string::test3));
   ASSERT_THAT(package, NotNull());

   uint8_t type_index = get_type_id(basic::R::string::test3) - 1;
   uint8_t entry_index = get_entry_id(basic::R::string::test3);

   const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

   auto type_name16 = package->GetTypeStringPool()->stringAt(type_spec->type_spec->id - 1);
   ASSERT_TRUE(type_name16.has_value());
   EXPECT_THAT(util::Utf16ToUtf8(*type_name16), StrEq("string"));

   ASSERT_TRUE(LoadedPackage::GetEntry(type_spec->type_entries[0].type, entry_index).has_value());
 }

 // AAPT(2) generates resource tables with chunks in a certain order. The rule is that
 // a RES_TABLE_TYPE_TYPE with id `i` must always be preceded by a RES_TABLE_TYPE_SPEC_TYPE with
 // id `i`. The RES_TABLE_TYPE_SPEC_TYPE does not need to be directly preceding, however.
 //
 // AAPT(2) generates something like:
 //   RES_TABLE_TYPE_SPEC_TYPE id=1
 //   RES_TABLE_TYPE_TYPE id=1
 //   RES_TABLE_TYPE_SPEC_TYPE id=2
 //   RES_TABLE_TYPE_TYPE id=2
 //
 // But the following is valid too:
 //   RES_TABLE_TYPE_SPEC_TYPE id=1
 //   RES_TABLE_TYPE_SPEC_TYPE id=2
 //   RES_TABLE_TYPE_TYPE id=1
 //   RES_TABLE_TYPE_TYPE id=2
 //
 TEST(LoadedArscTest, LoadOutOfOrderTypeSpecs) {
   std::string contents;
   ASSERT_TRUE(
       ReadFileFromZipToString(GetTestDataPath() + "/out_of_order_types/out_of_order_types.apk",
                               "resources.arsc", &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_THAT(loaded_arsc, NotNull());

   ASSERT_THAT(loaded_arsc->GetPackages(), SizeIs(1u));
   const auto& package = loaded_arsc->GetPackages()[0];
   ASSERT_THAT(package, NotNull());

   const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(0);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

   type_spec = package->GetTypeSpecByTypeIndex(1);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));
 }

 TEST(LoadedArscTest, LoadOverlayable) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlayable/overlayable.apk",
                                       "resources.arsc", &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());

   ASSERT_THAT(loaded_arsc, NotNull());
   const LoadedPackage* package = loaded_arsc->GetPackageById(
       get_package_id(overlayable::R::string::not_overlayable));

   const OverlayableInfo* info = package->GetOverlayableInfo(
       overlayable::R::string::not_overlayable);
   ASSERT_THAT(info, IsNull());

   info = package->GetOverlayableInfo(overlayable::R::string::overlayable1);
   ASSERT_THAT(info, NotNull());
   EXPECT_THAT(info->name, Eq("OverlayableResources1"));
   EXPECT_THAT(info->actor, Eq("overlay://theme"));
   EXPECT_THAT(info->policy_flags, Eq(PolicyFlags::PUBLIC));

   info = package->GetOverlayableInfo(overlayable::R::string::overlayable2);
   ASSERT_THAT(info, NotNull());
   EXPECT_THAT(info->name, Eq("OverlayableResources1"));
   EXPECT_THAT(info->actor, Eq("overlay://theme"));
   EXPECT_THAT(info->policy_flags,
               Eq(PolicyFlags::SYSTEM_PARTITION
                  | PolicyFlags::PRODUCT_PARTITION));

   info = package->GetOverlayableInfo(overlayable::R::string::overlayable3);
   ASSERT_THAT(info, NotNull());
   EXPECT_THAT(info->name, Eq("OverlayableResources2"));
   EXPECT_THAT(info->actor, Eq("overlay://com.android.overlayable"));
   EXPECT_THAT(info->policy_flags,
               Eq(PolicyFlags::VENDOR_PARTITION
                  | PolicyFlags::PRODUCT_PARTITION));

   info = package->GetOverlayableInfo(overlayable::R::string::overlayable4);
   EXPECT_THAT(info->name, Eq("OverlayableResources1"));
   EXPECT_THAT(info->actor, Eq("overlay://theme"));
   ASSERT_THAT(info, NotNull());
   EXPECT_THAT(info->policy_flags, Eq(PolicyFlags::PUBLIC));
 }

 TEST(LoadedArscTest, ResourceIdentifierIterator) {
   std::string contents;
   ASSERT_TRUE(
       ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk", "resources.arsc", &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_NE(nullptr, loaded_arsc);

   const std::vector<std::unique_ptr<const LoadedPackage>>& packages = loaded_arsc->GetPackages();
   ASSERT_EQ(1u, packages.size());
   ASSERT_EQ(std::string("com.android.basic"), packages[0]->GetPackageName());

   const auto& loaded_package = packages[0];
   auto iter = loaded_package->begin();
   auto end = loaded_package->end();

   ASSERT_NE(end, iter);
   ASSERT_EQ(0x7f010000u, *iter++);
   ASSERT_EQ(0x7f010001u, *iter++);
   ASSERT_EQ(0x7f020000u, *iter++);
   ASSERT_EQ(0x7f020001u, *iter++);
   ASSERT_EQ(0x7f030000u, *iter++);
   ASSERT_EQ(0x7f030001u, *iter++);
   ASSERT_EQ(0x7f030002u, *iter++);  // note: string without default, excluded by aapt2 dump
   ASSERT_EQ(0x7f040000u, *iter++);
   ASSERT_EQ(0x7f040001u, *iter++);
   ASSERT_EQ(0x7f040002u, *iter++);
   ASSERT_EQ(0x7f040003u, *iter++);
   ASSERT_EQ(0x7f040004u, *iter++);
   ASSERT_EQ(0x7f040005u, *iter++);
   ASSERT_EQ(0x7f040006u, *iter++);
   ASSERT_EQ(0x7f040007u, *iter++);
   ASSERT_EQ(0x7f040008u, *iter++);
   ASSERT_EQ(0x7f040009u, *iter++);
   ASSERT_EQ(0x7f04000au, *iter++);
   ASSERT_EQ(0x7f04000bu, *iter++);
   ASSERT_EQ(0x7f04000cu, *iter++);
   ASSERT_EQ(0x7f04000du, *iter++);
   ASSERT_EQ(0x7f050000u, *iter++);
   ASSERT_EQ(0x7f050001u, *iter++);
   ASSERT_EQ(0x7f060000u, *iter++);
   ASSERT_EQ(0x7f070000u, *iter++);
   ASSERT_EQ(0x7f070001u, *iter++);
   ASSERT_EQ(0x7f070002u, *iter++);
   ASSERT_EQ(0x7f070003u, *iter++);
   ASSERT_EQ(end, iter);
 }

 TEST(LoadedArscTest, GetOverlayableMap) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlayable/overlayable.apk",
                                       "resources.arsc", &contents));

   std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
                                                                    contents.length());
   ASSERT_NE(nullptr, loaded_arsc);

   const std::vector<std::unique_ptr<const LoadedPackage>>& packages = loaded_arsc->GetPackages();
   ASSERT_EQ(1u, packages.size());
   ASSERT_EQ(std::string("com.android.overlayable"), packages[0]->GetPackageName());

   const auto map = packages[0]->GetOverlayableMap();
   ASSERT_EQ(3, map.size());
   ASSERT_EQ(map.at("OverlayableResources1"), "overlay://theme");
   ASSERT_EQ(map.at("OverlayableResources2"), "overlay://com.android.overlayable");
   ASSERT_EQ(map.at("OverlayableResources3"), "");
 }

 TEST(LoadedArscTest, LoadCustomLoader) {
   auto asset = AssetsProvider::CreateAssetFromFile(GetTestDataPath() + "/loader/resources.arsc");
   ASSERT_THAT(asset, NotNull());

   const StringPiece data(
       reinterpret_cast<const char*>(asset->getBuffer(true /*wordAligned*/)),
       asset->getLength());

   std::unique_ptr<const LoadedArsc> loaded_arsc =
       LoadedArsc::Load(data.data(), data.length(), nullptr, PROPERTY_LOADER);
   ASSERT_THAT(loaded_arsc, NotNull());

   const LoadedPackage* package =
       loaded_arsc->GetPackageById(get_package_id(overlayable::R::string::overlayable11));
   ASSERT_THAT(package, NotNull());
   EXPECT_THAT(package->GetPackageName(), StrEq("com.android.loader"));
   EXPECT_THAT(package->GetPackageId(), Eq(0x7f));

   const uint8_t type_index = get_type_id(overlayable::R::string::overlayable11) - 1;
   const uint16_t entry_index = get_entry_id(overlayable::R::string::overlayable11);

   const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
   ASSERT_THAT(type_spec, NotNull());
   ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

   auto type = type_spec->type_entries[0];
   ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
 }

 // structs with size fields (like Res_value, ResTable_entry) should be
 // backwards and forwards compatible (aka checking the size field against
 // sizeof(Res_value) might not be backwards compatible.
 // TEST(LoadedArscTest, LoadingShouldBeForwardsAndBackwardsCompatible) { ASSERT_TRUE(false); }

 }  // namespace android
	/*
	* Copyright (C) 2016 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 "androidfw/LoadedArsc.h"

	#include "android-base/file.h"
	#include "androidfw/ResourceUtils.h"

	#include "TestHelpers.h"
	#include "data/basic/R.h"
	#include "data/libclient/R.h"
	#include "data/overlayable/R.h"
	#include "data/sparse/R.h"
	#include "data/styles/R.h"
	#include "data/system/R.h"

	namespace app = com::android::app;
	namespace basic = com::android::basic;
	namespace libclient = com::android::libclient;
	namespace overlayable = com::android::overlayable;
	namespace sparse = com::android::sparse;

	using ::android::base::ReadFileToString;
	using ::testing::Eq;
	using ::testing::Ge;
	using ::testing::IsNull;
	using ::testing::NotNull;
	using ::testing::SizeIs;
	using ::testing::StrEq;

	using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags;

	namespace android {

	TEST(LoadedArscTest, LoadSinglePackageArsc) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/styles/styles.apk", "resources.arsc",
	&contents));

	auto loaded_arsc = LoadedArsc::Load(reinterpret_cast<const void*>(contents.data()),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	const LoadedPackage* package =
	loaded_arsc->GetPackageById(get_package_id(app::R::string::string_one));
	ASSERT_THAT(package, NotNull());
	EXPECT_THAT(package->GetPackageName(), StrEq("com.android.app"));
	EXPECT_THAT(package->GetPackageId(), Eq(0x7f));

	const uint8_t type_index = get_type_id(app::R::string::string_one) - 1;
	const uint16_t entry_index = get_entry_id(app::R::string::string_one);

	const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

	auto type = type_spec->type_entries[0];
	ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
	}

	TEST(LoadedArscTest, LoadSparseEntryApp) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
	&contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	const LoadedPackage* package =
	loaded_arsc->GetPackageById(get_package_id(sparse::R::integer::foo_9));
	ASSERT_THAT(package, NotNull());

	const uint8_t type_index = get_type_id(sparse::R::integer::foo_9) - 1;
	const uint16_t entry_index = get_entry_id(sparse::R::integer::foo_9);

	const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

	auto type = type_spec->type_entries[0];
	ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
	}

	TEST(LoadedArscTest, FindSparseEntryApp) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
	&contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	const LoadedPackage* package =
	loaded_arsc->GetPackageById(get_package_id(sparse::R::string::only_v26));
	ASSERT_THAT(package, NotNull());

	const uint8_t type_index = get_type_id(sparse::R::string::only_v26) - 1;
	const uint16_t entry_index = get_entry_id(sparse::R::string::only_v26);

	const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

	// Ensure that AAPT2 sparsely encoded the v26 config as expected.
	auto type_entry = std::find_if(
	type_spec->type_entries.begin(), type_spec->type_entries.end(),
	[](const TypeSpec::TypeEntry& x) { return x.config.sdkVersion == 26; });
	ASSERT_NE(type_entry, type_spec->type_entries.end());
	ASSERT_NE(type_entry->type->flags & ResTable_type::FLAG_SPARSE, 0);

	// Test fetching a resource with only sparsely encoded configs by name.
	auto id = package->FindEntryByName(u"string", u"only_v26");
	ASSERT_EQ(id.value(), fix_package_id(sparse::R::string::only_v26, 0));
	}

	TEST(LoadedArscTest, LoadSharedLibrary) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/lib_one/lib_one.apk", "resources.arsc",
	&contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	const auto& packages = loaded_arsc->GetPackages();
	ASSERT_THAT(packages, SizeIs(1u));
	EXPECT_TRUE(packages[0]->IsDynamic());
	EXPECT_THAT(packages[0]->GetPackageName(), StrEq("com.android.lib_one"));
	EXPECT_THAT(packages[0]->GetPackageId(), Eq(0));

	const auto& dynamic_pkg_map = packages[0]->GetDynamicPackageMap();

	// The library has no dependencies.
	ASSERT_TRUE(dynamic_pkg_map.empty());
	}

	TEST(LoadedArscTest, LoadAppLinkedAgainstSharedLibrary) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/libclient/libclient.apk",
	"resources.arsc", &contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	const auto& packages = loaded_arsc->GetPackages();
	ASSERT_THAT(packages, SizeIs(1u));
	EXPECT_FALSE(packages[0]->IsDynamic());
	EXPECT_THAT(packages[0]->GetPackageName(), StrEq("com.android.libclient"));
	EXPECT_THAT(packages[0]->GetPackageId(), Eq(0x7f));

	const auto& dynamic_pkg_map = packages[0]->GetDynamicPackageMap();

	// The library has two dependencies.
	ASSERT_THAT(dynamic_pkg_map, SizeIs(2u));
	EXPECT_THAT(dynamic_pkg_map[0].package_name, StrEq("com.android.lib_one"));
	EXPECT_THAT(dynamic_pkg_map[0].package_id, Eq(0x02));

	EXPECT_THAT(dynamic_pkg_map[1].package_name, StrEq("com.android.lib_two"));
	EXPECT_THAT(dynamic_pkg_map[1].package_id, Eq(0x03));
	}

	TEST(LoadedArscTest, LoadAppAsSharedLibrary) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/appaslib/appaslib.apk",
	"resources.arsc", &contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length(),
	nullptr /* loaded_idmap */,
	PROPERTY_DYNAMIC);
	ASSERT_THAT(loaded_arsc, NotNull());

	const auto& packages = loaded_arsc->GetPackages();
	ASSERT_THAT(packages, SizeIs(1u));
	EXPECT_TRUE(packages[0]->IsDynamic());
	EXPECT_THAT(packages[0]->GetPackageId(), Eq(0x7f));
	}

	TEST(LoadedArscTest, LoadFeatureSplit) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/feature/feature.apk", "resources.arsc",
	&contents));
	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	const LoadedPackage* package =
	loaded_arsc->GetPackageById(get_package_id(basic::R::string::test3));
	ASSERT_THAT(package, NotNull());

	uint8_t type_index = get_type_id(basic::R::string::test3) - 1;
	uint8_t entry_index = get_entry_id(basic::R::string::test3);

	const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

	auto type_name16 = package->GetTypeStringPool()->stringAt(type_spec->type_spec->id - 1);
	ASSERT_TRUE(type_name16.has_value());
	EXPECT_THAT(util::Utf16ToUtf8(*type_name16), StrEq("string"));

	ASSERT_TRUE(LoadedPackage::GetEntry(type_spec->type_entries[0].type, entry_index).has_value());
	}

	// AAPT(2) generates resource tables with chunks in a certain order. The rule is that
	// a RES_TABLE_TYPE_TYPE with id `i` must always be preceded by a RES_TABLE_TYPE_SPEC_TYPE with
	// id `i`. The RES_TABLE_TYPE_SPEC_TYPE does not need to be directly preceding, however.
	//
	// AAPT(2) generates something like:
	// RES_TABLE_TYPE_SPEC_TYPE id=1
	// RES_TABLE_TYPE_TYPE id=1
	// RES_TABLE_TYPE_SPEC_TYPE id=2
	// RES_TABLE_TYPE_TYPE id=2
	//
	// But the following is valid too:
	// RES_TABLE_TYPE_SPEC_TYPE id=1
	// RES_TABLE_TYPE_SPEC_TYPE id=2
	// RES_TABLE_TYPE_TYPE id=1
	// RES_TABLE_TYPE_TYPE id=2
	//
	TEST(LoadedArscTest, LoadOutOfOrderTypeSpecs) {
	std::string contents;
	ASSERT_TRUE(
	ReadFileFromZipToString(GetTestDataPath() + "/out_of_order_types/out_of_order_types.apk",
	"resources.arsc", &contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_THAT(loaded_arsc, NotNull());

	ASSERT_THAT(loaded_arsc->GetPackages(), SizeIs(1u));
	const auto& package = loaded_arsc->GetPackages()[0];
	ASSERT_THAT(package, NotNull());

	const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(0);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

	type_spec = package->GetTypeSpecByTypeIndex(1);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));
	}

	TEST(LoadedArscTest, LoadOverlayable) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlayable/overlayable.apk",
	"resources.arsc", &contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());

	ASSERT_THAT(loaded_arsc, NotNull());
	const LoadedPackage* package = loaded_arsc->GetPackageById(
	get_package_id(overlayable::R::string::not_overlayable));

	const OverlayableInfo* info = package->GetOverlayableInfo(
	overlayable::R::string::not_overlayable);
	ASSERT_THAT(info, IsNull());

	info = package->GetOverlayableInfo(overlayable::R::string::overlayable1);
	ASSERT_THAT(info, NotNull());
	EXPECT_THAT(info->name, Eq("OverlayableResources1"));
	EXPECT_THAT(info->actor, Eq("overlay://theme"));
	EXPECT_THAT(info->policy_flags, Eq(PolicyFlags::PUBLIC));

	info = package->GetOverlayableInfo(overlayable::R::string::overlayable2);
	ASSERT_THAT(info, NotNull());
	EXPECT_THAT(info->name, Eq("OverlayableResources1"));
	EXPECT_THAT(info->actor, Eq("overlay://theme"));
	EXPECT_THAT(info->policy_flags,
	Eq(PolicyFlags::SYSTEM_PARTITION
	\| PolicyFlags::PRODUCT_PARTITION));

	info = package->GetOverlayableInfo(overlayable::R::string::overlayable3);
	ASSERT_THAT(info, NotNull());
	EXPECT_THAT(info->name, Eq("OverlayableResources2"));
	EXPECT_THAT(info->actor, Eq("overlay://com.android.overlayable"));
	EXPECT_THAT(info->policy_flags,
	Eq(PolicyFlags::VENDOR_PARTITION
	\| PolicyFlags::PRODUCT_PARTITION));

	info = package->GetOverlayableInfo(overlayable::R::string::overlayable4);
	EXPECT_THAT(info->name, Eq("OverlayableResources1"));
	EXPECT_THAT(info->actor, Eq("overlay://theme"));
	ASSERT_THAT(info, NotNull());
	EXPECT_THAT(info->policy_flags, Eq(PolicyFlags::PUBLIC));
	}

	TEST(LoadedArscTest, ResourceIdentifierIterator) {
	std::string contents;
	ASSERT_TRUE(
	ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk", "resources.arsc", &contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_NE(nullptr, loaded_arsc);

	const std::vector<std::unique_ptr<const LoadedPackage>>& packages = loaded_arsc->GetPackages();
	ASSERT_EQ(1u, packages.size());
	ASSERT_EQ(std::string("com.android.basic"), packages[0]->GetPackageName());

	const auto& loaded_package = packages[0];
	auto iter = loaded_package->begin();
	auto end = loaded_package->end();

	ASSERT_NE(end, iter);
	ASSERT_EQ(0x7f010000u, *iter++);
	ASSERT_EQ(0x7f010001u, *iter++);
	ASSERT_EQ(0x7f020000u, *iter++);
	ASSERT_EQ(0x7f020001u, *iter++);
	ASSERT_EQ(0x7f030000u, *iter++);
	ASSERT_EQ(0x7f030001u, *iter++);
	ASSERT_EQ(0x7f030002u, *iter++); // note: string without default, excluded by aapt2 dump
	ASSERT_EQ(0x7f040000u, *iter++);
	ASSERT_EQ(0x7f040001u, *iter++);
	ASSERT_EQ(0x7f040002u, *iter++);
	ASSERT_EQ(0x7f040003u, *iter++);
	ASSERT_EQ(0x7f040004u, *iter++);
	ASSERT_EQ(0x7f040005u, *iter++);
	ASSERT_EQ(0x7f040006u, *iter++);
	ASSERT_EQ(0x7f040007u, *iter++);
	ASSERT_EQ(0x7f040008u, *iter++);
	ASSERT_EQ(0x7f040009u, *iter++);
	ASSERT_EQ(0x7f04000au, *iter++);
	ASSERT_EQ(0x7f04000bu, *iter++);
	ASSERT_EQ(0x7f04000cu, *iter++);
	ASSERT_EQ(0x7f04000du, *iter++);
	ASSERT_EQ(0x7f050000u, *iter++);
	ASSERT_EQ(0x7f050001u, *iter++);
	ASSERT_EQ(0x7f060000u, *iter++);
	ASSERT_EQ(0x7f070000u, *iter++);
	ASSERT_EQ(0x7f070001u, *iter++);
	ASSERT_EQ(0x7f070002u, *iter++);
	ASSERT_EQ(0x7f070003u, *iter++);
	ASSERT_EQ(end, iter);
	}

	TEST(LoadedArscTest, GetOverlayableMap) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/overlayable/overlayable.apk",
	"resources.arsc", &contents));

	std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
	contents.length());
	ASSERT_NE(nullptr, loaded_arsc);

	const std::vector<std::unique_ptr<const LoadedPackage>>& packages = loaded_arsc->GetPackages();
	ASSERT_EQ(1u, packages.size());
	ASSERT_EQ(std::string("com.android.overlayable"), packages[0]->GetPackageName());

	const auto map = packages[0]->GetOverlayableMap();
	ASSERT_EQ(3, map.size());
	ASSERT_EQ(map.at("OverlayableResources1"), "overlay://theme");
	ASSERT_EQ(map.at("OverlayableResources2"), "overlay://com.android.overlayable");
	ASSERT_EQ(map.at("OverlayableResources3"), "");
	}

	TEST(LoadedArscTest, LoadCustomLoader) {
	auto asset = AssetsProvider::CreateAssetFromFile(GetTestDataPath() + "/loader/resources.arsc");
	ASSERT_THAT(asset, NotNull());

	const StringPiece data(
	reinterpret_cast<const char>(asset->getBuffer(true /wordAligned*/)),
	asset->getLength());

	std::unique_ptr<const LoadedArsc> loaded_arsc =
	LoadedArsc::Load(data.data(), data.length(), nullptr, PROPERTY_LOADER);
	ASSERT_THAT(loaded_arsc, NotNull());

	const LoadedPackage* package =
	loaded_arsc->GetPackageById(get_package_id(overlayable::R::string::overlayable11));
	ASSERT_THAT(package, NotNull());
	EXPECT_THAT(package->GetPackageName(), StrEq("com.android.loader"));
	EXPECT_THAT(package->GetPackageId(), Eq(0x7f));

	const uint8_t type_index = get_type_id(overlayable::R::string::overlayable11) - 1;
	const uint16_t entry_index = get_entry_id(overlayable::R::string::overlayable11);

	const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
	ASSERT_THAT(type_spec, NotNull());
	ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));

	auto type = type_spec->type_entries[0];
	ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
	}

	// structs with size fields (like Res_value, ResTable_entry) should be
	// backwards and forwards compatible (aka checking the size field against
	// sizeof(Res_value) might not be backwards compatible.
	// TEST(LoadedArscTest, LoadingShouldBeForwardsAndBackwardsCompatible) { ASSERT_TRUE(false); }

	} // namespace android