libs/androidfw/tests/Theme_test.cpp - platform/frameworks/base - Git at Google

 /*
  * 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/AssetManager2.h"

 #include "android-base/logging.h"

 #include "TestHelpers.h"
 #include "androidfw/ResourceUtils.h"
 #include "data/lib_one/R.h"
 #include "data/lib_two/R.h"
 #include "data/libclient/R.h"
 #include "data/styles/R.h"
 #include "data/system/R.h"

 namespace app = com::android::app;
 namespace lib_one = com::android::lib_one;
 namespace lib_two = com::android::lib_two;
 namespace libclient = com::android::libclient;

 namespace android {

 class ThemeTest : public ::testing::Test {
  public:
   void SetUp() override {
     system_assets_ = ApkAssets::Load(GetTestDataPath() + "/system/system.apk", true /*system*/);
     ASSERT_NE(nullptr, system_assets_);

     style_assets_ = ApkAssets::Load(GetTestDataPath() + "/styles/styles.apk");
     ASSERT_NE(nullptr, style_assets_);

     libclient_assets_ = ApkAssets::Load(GetTestDataPath() + "/libclient/libclient.apk");
     ASSERT_NE(nullptr, libclient_assets_);

     lib_one_assets_ = ApkAssets::Load(GetTestDataPath() + "/lib_one/lib_one.apk");
     ASSERT_NE(nullptr, lib_one_assets_);

     lib_two_assets_ = ApkAssets::Load(GetTestDataPath() + "/lib_two/lib_two.apk");
     ASSERT_NE(nullptr, lib_two_assets_);
   }

  protected:
   std::unique_ptr<const ApkAssets> system_assets_;
   std::unique_ptr<const ApkAssets> style_assets_;
   std::unique_ptr<const ApkAssets> libclient_assets_;
   std::unique_ptr<const ApkAssets> lib_one_assets_;
   std::unique_ptr<const ApkAssets> lib_two_assets_;
 };

 TEST_F(ThemeTest, EmptyTheme) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   EXPECT_EQ(0u, theme->GetChangingConfigurations());
   EXPECT_EQ(&assetmanager, theme->GetAssetManager());

   Res_value value;
   uint32_t flags;
   EXPECT_EQ(kInvalidCookie, theme->GetAttribute(app::R::attr::attr_one, &value, &flags));
 }

 TEST_F(ThemeTest, SingleThemeNoParent) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleOne));

   Res_value value;
   uint32_t flags;
   ApkAssetsCookie cookie;

   cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(1u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   cookie = theme->GetAttribute(app::R::attr::attr_two, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(2u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
 }

 TEST_F(ThemeTest, SingleThemeWithParent) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));

   Res_value value;
   uint32_t flags;
   ApkAssetsCookie cookie;

   cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(1u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   cookie = theme->GetAttribute(app::R::attr::attr_two, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_STRING, value.dataType);
   EXPECT_EQ(0, cookie);
   EXPECT_EQ(std::string("string"),
             GetStringFromPool(assetmanager.GetStringPoolForCookie(0), value.data));
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // This attribute should point to an attr_indirect, so the result should be 3.
   cookie = theme->GetAttribute(app::R::attr::attr_three, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(3u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
 }

 TEST_F(ThemeTest, TryToUseBadResourceId) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));

   Res_value value;
   uint32_t flags;
   ASSERT_EQ(kInvalidCookie, theme->GetAttribute(0x7f000001, &value, &flags));
 }

 TEST_F(ThemeTest, MultipleThemesOverlaidNotForce) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleThree));

   Res_value value;
   uint32_t flags;
   ApkAssetsCookie cookie;

   // attr_one is still here from the base.
   cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(1u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // check for the new attr_six
   cookie = theme->GetAttribute(app::R::attr::attr_six, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(6u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // check for the old attr_five (force=true was not used).
   cookie = theme->GetAttribute(app::R::attr::attr_five, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_REFERENCE, value.dataType);
   EXPECT_EQ(app::R::string::string_one, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
 }

 TEST_F(ThemeTest, MultipleThemesOverlaidForced) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));
   ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleThree, true /* force */));

   Res_value value;
   uint32_t flags;
   ApkAssetsCookie cookie;

   // attr_one is still here from the base.
   cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(1u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // check for the new attr_six
   cookie = theme->GetAttribute(app::R::attr::attr_six, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(6u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // check for the new attr_five (force=true was used).
   cookie = theme->GetAttribute(app::R::attr::attr_five, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(5u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
 }

 TEST_F(ThemeTest, ResolveDynamicAttributesAndReferencesToSharedLibrary) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets(
       {lib_two_assets_.get(), lib_one_assets_.get(), libclient_assets_.get()});

   std::unique_ptr<Theme> theme = assetmanager.NewTheme();
   ASSERT_TRUE(theme->ApplyStyle(libclient::R::style::Theme, false /*force*/));

   Res_value value;
   uint32_t flags;
   ApkAssetsCookie cookie;

   // The attribute should be resolved to the final value.
   cookie = theme->GetAttribute(libclient::R::attr::foo, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(700u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // The reference should be resolved to a TYPE_REFERENCE.
   cookie = theme->GetAttribute(libclient::R::attr::bar, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_REFERENCE, value.dataType);

   // lib_one is assigned package ID 0x03.
   EXPECT_EQ(3u, get_package_id(value.data));
   EXPECT_EQ(get_type_id(lib_one::R::string::foo), get_type_id(value.data));
   EXPECT_EQ(get_entry_id(lib_one::R::string::foo), get_entry_id(value.data));
 }

 TEST_F(ThemeTest, CopyThemeSameAssetManager) {
   AssetManager2 assetmanager;
   assetmanager.SetApkAssets({style_assets_.get()});

   std::unique_ptr<Theme> theme_one = assetmanager.NewTheme();
   ASSERT_TRUE(theme_one->ApplyStyle(app::R::style::StyleOne));

   Res_value value;
   uint32_t flags;
   ApkAssetsCookie cookie;

   // attr_one is still here from the base.
   cookie = theme_one->GetAttribute(app::R::attr::attr_one, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(1u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

   // attr_six is not here.
   EXPECT_EQ(kInvalidCookie, theme_one->GetAttribute(app::R::attr::attr_six, &value, &flags));

   std::unique_ptr<Theme> theme_two = assetmanager.NewTheme();
   ASSERT_TRUE(theme_two->ApplyStyle(app::R::style::StyleThree));

   // Copy the theme to theme_one.
   theme_one->SetTo(*theme_two);

   // Clear theme_two to make sure we test that there WAS a copy.
   theme_two->Clear();

   // attr_one is now not here.
   EXPECT_EQ(kInvalidCookie, theme_one->GetAttribute(app::R::attr::attr_one, &value, &flags));

   // attr_six is now here because it was copied.
   cookie = theme_one->GetAttribute(app::R::attr::attr_six, &value, &flags);
   ASSERT_NE(kInvalidCookie, cookie);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
   EXPECT_EQ(6u, value.data);
   EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
 }

 TEST_F(ThemeTest, OnlyCopySameAssetsThemeWhenAssetManagersDiffer) {
   AssetManager2 assetmanager_dst;
   assetmanager_dst.SetApkAssets({system_assets_.get(), lib_one_assets_.get(), style_assets_.get(),
                                  libclient_assets_.get()});

   AssetManager2 assetmanager_src;
   assetmanager_src.SetApkAssets({system_assets_.get(), lib_two_assets_.get(), lib_one_assets_.get(),
                                  style_assets_.get()});

   auto theme_dst = assetmanager_dst.NewTheme();
   ASSERT_TRUE(theme_dst->ApplyStyle(app::R::style::StyleOne));

   auto theme_src = assetmanager_src.NewTheme();
   ASSERT_TRUE(theme_src->ApplyStyle(R::style::Theme_One));
   ASSERT_TRUE(theme_src->ApplyStyle(app::R::style::StyleTwo));
   ASSERT_TRUE(theme_src->ApplyStyle(fix_package_id(lib_one::R::style::Theme, 0x03),
                                     false /*force*/));
   ASSERT_TRUE(theme_src->ApplyStyle(fix_package_id(lib_two::R::style::Theme, 0x02),
                                     false /*force*/));

   theme_dst->SetTo(*theme_src);

   Res_value value;
   uint32_t flags;

   // System resources (present in destination asset manager).
   EXPECT_EQ(0, theme_dst->GetAttribute(R::attr::foreground, &value, &flags));

   // The cookie of the style asset is 3 in the source and 2 in the destination.
   // Check that the cookie has been rewritten to the destination values.
   EXPECT_EQ(2, theme_dst->GetAttribute(app::R::attr::attr_one, &value, &flags));

   // The cookie of the lib_one asset is 2 in the source and 1 in the destination.
   // The package id of the lib_one package is 0x03 in the source and 0x02 in the destination
   // Check that the cookie and packages have been rewritten to the destination values.
   EXPECT_EQ(1, theme_dst->GetAttribute(fix_package_id(lib_one::R::attr::attr1, 0x02), &value,
                                        &flags));
   EXPECT_EQ(1, theme_dst->GetAttribute(fix_package_id(lib_one::R::attr::attr2, 0x02), &value,
                                        &flags));

   // attr2 references an attribute in lib_one. Check that the resolution of the attribute value is
   // correct after the value of attr2 had its package id rewritten to the destination package id.
   EXPECT_EQ(700, value.data);
 }

 TEST_F(ThemeTest, CopyNonReferencesWhenPackagesDiffer) {
   AssetManager2 assetmanager_dst;
   assetmanager_dst.SetApkAssets({system_assets_.get()});

   AssetManager2 assetmanager_src;
   assetmanager_src.SetApkAssets({system_assets_.get(), style_assets_.get()});

   auto theme_dst = assetmanager_dst.NewTheme();
   auto theme_src = assetmanager_src.NewTheme();
   ASSERT_TRUE(theme_src->ApplyStyle(app::R::style::StyleSeven));
   theme_dst->SetTo(*theme_src);

   Res_value value;
   uint32_t flags;

   // Allow inline resource values to be copied even if the source apk asset is not present in the
   // destination.
   EXPECT_EQ(0, theme_dst->GetAttribute(0x0101021b /* android:versionCode */, &value, &flags));

   // Do not copy strings since the data is an index into the values string pool of the source apk
   // asset.
   EXPECT_EQ(-1, theme_dst->GetAttribute(0x01010001 /* android:label */, &value, &flags));

   // Do not copy values that reference another resource if the resource is not present in the
   // destination.
   EXPECT_EQ(-1, theme_dst->GetAttribute(0x01010002 /* android:icon */, &value, &flags));
   EXPECT_EQ(-1, theme_dst->GetAttribute(0x010100d1 /* android:tag */, &value, &flags));

   // Allow @empty to and @null to be copied.
   EXPECT_EQ(0, theme_dst->GetAttribute(0x010100d0 /* android:id */, &value, &flags));
   EXPECT_EQ(0, theme_dst->GetAttribute(0x01010000 /* android:theme */, &value, &flags));
 }

 }  // 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/AssetManager2.h"

	#include "android-base/logging.h"

	#include "TestHelpers.h"
	#include "androidfw/ResourceUtils.h"
	#include "data/lib_one/R.h"
	#include "data/lib_two/R.h"
	#include "data/libclient/R.h"
	#include "data/styles/R.h"
	#include "data/system/R.h"

	namespace app = com::android::app;
	namespace lib_one = com::android::lib_one;
	namespace lib_two = com::android::lib_two;
	namespace libclient = com::android::libclient;

	namespace android {

	class ThemeTest : public ::testing::Test {
	public:
	void SetUp() override {
	system_assets_ = ApkAssets::Load(GetTestDataPath() + "/system/system.apk", true /system/);
	ASSERT_NE(nullptr, system_assets_);

	style_assets_ = ApkAssets::Load(GetTestDataPath() + "/styles/styles.apk");
	ASSERT_NE(nullptr, style_assets_);

	libclient_assets_ = ApkAssets::Load(GetTestDataPath() + "/libclient/libclient.apk");
	ASSERT_NE(nullptr, libclient_assets_);

	lib_one_assets_ = ApkAssets::Load(GetTestDataPath() + "/lib_one/lib_one.apk");
	ASSERT_NE(nullptr, lib_one_assets_);

	lib_two_assets_ = ApkAssets::Load(GetTestDataPath() + "/lib_two/lib_two.apk");
	ASSERT_NE(nullptr, lib_two_assets_);
	}

	protected:
	std::unique_ptr<const ApkAssets> system_assets_;
	std::unique_ptr<const ApkAssets> style_assets_;
	std::unique_ptr<const ApkAssets> libclient_assets_;
	std::unique_ptr<const ApkAssets> lib_one_assets_;
	std::unique_ptr<const ApkAssets> lib_two_assets_;
	};

	TEST_F(ThemeTest, EmptyTheme) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	EXPECT_EQ(0u, theme->GetChangingConfigurations());
	EXPECT_EQ(&assetmanager, theme->GetAssetManager());

	Res_value value;
	uint32_t flags;
	EXPECT_EQ(kInvalidCookie, theme->GetAttribute(app::R::attr::attr_one, &value, &flags));
	}

	TEST_F(ThemeTest, SingleThemeNoParent) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleOne));

	Res_value value;
	uint32_t flags;
	ApkAssetsCookie cookie;

	cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(1u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	cookie = theme->GetAttribute(app::R::attr::attr_two, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(2u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
	}

	TEST_F(ThemeTest, SingleThemeWithParent) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));

	Res_value value;
	uint32_t flags;
	ApkAssetsCookie cookie;

	cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(1u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	cookie = theme->GetAttribute(app::R::attr::attr_two, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_STRING, value.dataType);
	EXPECT_EQ(0, cookie);
	EXPECT_EQ(std::string("string"),
	GetStringFromPool(assetmanager.GetStringPoolForCookie(0), value.data));
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// This attribute should point to an attr_indirect, so the result should be 3.
	cookie = theme->GetAttribute(app::R::attr::attr_three, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(3u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
	}

	TEST_F(ThemeTest, TryToUseBadResourceId) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));

	Res_value value;
	uint32_t flags;
	ASSERT_EQ(kInvalidCookie, theme->GetAttribute(0x7f000001, &value, &flags));
	}

	TEST_F(ThemeTest, MultipleThemesOverlaidNotForce) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleThree));

	Res_value value;
	uint32_t flags;
	ApkAssetsCookie cookie;

	// attr_one is still here from the base.
	cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(1u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// check for the new attr_six
	cookie = theme->GetAttribute(app::R::attr::attr_six, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(6u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// check for the old attr_five (force=true was not used).
	cookie = theme->GetAttribute(app::R::attr::attr_five, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_REFERENCE, value.dataType);
	EXPECT_EQ(app::R::string::string_one, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
	}

	TEST_F(ThemeTest, MultipleThemesOverlaidForced) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleTwo));
	ASSERT_TRUE(theme->ApplyStyle(app::R::style::StyleThree, true /* force */));

	Res_value value;
	uint32_t flags;
	ApkAssetsCookie cookie;

	// attr_one is still here from the base.
	cookie = theme->GetAttribute(app::R::attr::attr_one, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(1u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// check for the new attr_six
	cookie = theme->GetAttribute(app::R::attr::attr_six, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(6u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// check for the new attr_five (force=true was used).
	cookie = theme->GetAttribute(app::R::attr::attr_five, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(5u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
	}

	TEST_F(ThemeTest, ResolveDynamicAttributesAndReferencesToSharedLibrary) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets(
	{lib_two_assets_.get(), lib_one_assets_.get(), libclient_assets_.get()});

	std::unique_ptr<Theme> theme = assetmanager.NewTheme();
	ASSERT_TRUE(theme->ApplyStyle(libclient::R::style::Theme, false /force/));

	Res_value value;
	uint32_t flags;
	ApkAssetsCookie cookie;

	// The attribute should be resolved to the final value.
	cookie = theme->GetAttribute(libclient::R::attr::foo, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(700u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// The reference should be resolved to a TYPE_REFERENCE.
	cookie = theme->GetAttribute(libclient::R::attr::bar, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_REFERENCE, value.dataType);

	// lib_one is assigned package ID 0x03.
	EXPECT_EQ(3u, get_package_id(value.data));
	EXPECT_EQ(get_type_id(lib_one::R::string::foo), get_type_id(value.data));
	EXPECT_EQ(get_entry_id(lib_one::R::string::foo), get_entry_id(value.data));
	}

	TEST_F(ThemeTest, CopyThemeSameAssetManager) {
	AssetManager2 assetmanager;
	assetmanager.SetApkAssets({style_assets_.get()});

	std::unique_ptr<Theme> theme_one = assetmanager.NewTheme();
	ASSERT_TRUE(theme_one->ApplyStyle(app::R::style::StyleOne));

	Res_value value;
	uint32_t flags;
	ApkAssetsCookie cookie;

	// attr_one is still here from the base.
	cookie = theme_one->GetAttribute(app::R::attr::attr_one, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(1u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);

	// attr_six is not here.
	EXPECT_EQ(kInvalidCookie, theme_one->GetAttribute(app::R::attr::attr_six, &value, &flags));

	std::unique_ptr<Theme> theme_two = assetmanager.NewTheme();
	ASSERT_TRUE(theme_two->ApplyStyle(app::R::style::StyleThree));

	// Copy the theme to theme_one.
	theme_one->SetTo(*theme_two);

	// Clear theme_two to make sure we test that there WAS a copy.
	theme_two->Clear();

	// attr_one is now not here.
	EXPECT_EQ(kInvalidCookie, theme_one->GetAttribute(app::R::attr::attr_one, &value, &flags));

	// attr_six is now here because it was copied.
	cookie = theme_one->GetAttribute(app::R::attr::attr_six, &value, &flags);
	ASSERT_NE(kInvalidCookie, cookie);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, value.dataType);
	EXPECT_EQ(6u, value.data);
	EXPECT_EQ(static_cast<uint32_t>(ResTable_typeSpec::SPEC_PUBLIC), flags);
	}

	TEST_F(ThemeTest, OnlyCopySameAssetsThemeWhenAssetManagersDiffer) {
	AssetManager2 assetmanager_dst;
	assetmanager_dst.SetApkAssets({system_assets_.get(), lib_one_assets_.get(), style_assets_.get(),
	libclient_assets_.get()});

	AssetManager2 assetmanager_src;
	assetmanager_src.SetApkAssets({system_assets_.get(), lib_two_assets_.get(), lib_one_assets_.get(),
	style_assets_.get()});

	auto theme_dst = assetmanager_dst.NewTheme();
	ASSERT_TRUE(theme_dst->ApplyStyle(app::R::style::StyleOne));

	auto theme_src = assetmanager_src.NewTheme();
	ASSERT_TRUE(theme_src->ApplyStyle(R::style::Theme_One));
	ASSERT_TRUE(theme_src->ApplyStyle(app::R::style::StyleTwo));
	ASSERT_TRUE(theme_src->ApplyStyle(fix_package_id(lib_one::R::style::Theme, 0x03),
	false /force/));
	ASSERT_TRUE(theme_src->ApplyStyle(fix_package_id(lib_two::R::style::Theme, 0x02),
	false /force/));

	theme_dst->SetTo(*theme_src);

	Res_value value;
	uint32_t flags;

	// System resources (present in destination asset manager).
	EXPECT_EQ(0, theme_dst->GetAttribute(R::attr::foreground, &value, &flags));

	// The cookie of the style asset is 3 in the source and 2 in the destination.
	// Check that the cookie has been rewritten to the destination values.
	EXPECT_EQ(2, theme_dst->GetAttribute(app::R::attr::attr_one, &value, &flags));

	// The cookie of the lib_one asset is 2 in the source and 1 in the destination.
	// The package id of the lib_one package is 0x03 in the source and 0x02 in the destination
	// Check that the cookie and packages have been rewritten to the destination values.
	EXPECT_EQ(1, theme_dst->GetAttribute(fix_package_id(lib_one::R::attr::attr1, 0x02), &value,
	&flags));
	EXPECT_EQ(1, theme_dst->GetAttribute(fix_package_id(lib_one::R::attr::attr2, 0x02), &value,
	&flags));

	// attr2 references an attribute in lib_one. Check that the resolution of the attribute value is
	// correct after the value of attr2 had its package id rewritten to the destination package id.
	EXPECT_EQ(700, value.data);
	}

	TEST_F(ThemeTest, CopyNonReferencesWhenPackagesDiffer) {
	AssetManager2 assetmanager_dst;
	assetmanager_dst.SetApkAssets({system_assets_.get()});

	AssetManager2 assetmanager_src;
	assetmanager_src.SetApkAssets({system_assets_.get(), style_assets_.get()});

	auto theme_dst = assetmanager_dst.NewTheme();
	auto theme_src = assetmanager_src.NewTheme();
	ASSERT_TRUE(theme_src->ApplyStyle(app::R::style::StyleSeven));
	theme_dst->SetTo(*theme_src);

	Res_value value;
	uint32_t flags;

	// Allow inline resource values to be copied even if the source apk asset is not present in the
	// destination.
	EXPECT_EQ(0, theme_dst->GetAttribute(0x0101021b /* android:versionCode */, &value, &flags));

	// Do not copy strings since the data is an index into the values string pool of the source apk
	// asset.
	EXPECT_EQ(-1, theme_dst->GetAttribute(0x01010001 /* android:label */, &value, &flags));

	// Do not copy values that reference another resource if the resource is not present in the
	// destination.
	EXPECT_EQ(-1, theme_dst->GetAttribute(0x01010002 /* android:icon */, &value, &flags));
	EXPECT_EQ(-1, theme_dst->GetAttribute(0x010100d1 /* android:tag */, &value, &flags));

	// Allow @empty to and @null to be copied.
	EXPECT_EQ(0, theme_dst->GetAttribute(0x010100d0 /* android:id */, &value, &flags));
	EXPECT_EQ(0, theme_dst->GetAttribute(0x01010000 /* android:theme */, &value, &flags));
	}

	} // namespace android