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ef40d2e832e900aba6dbcf8217903d7dbe689ca0
frameworks_base/libs/androidfw/tests/AttributeResolution_test.cpp
Ryan Mitchell ef40d2e832 Refactor ApkAsset loading APIs 
To add the partner requested ResourcesProvider#loadFromDir APIs, this
change adds format type integer that allows us to reduce the number of
ApkAssets loading overrides.

This change also adds hidden offset and length based ResourcesProvider
APIs that could not make R.

Bug: 142716192
Test: atest FrameworksResourceLoaderTests
Change-Id: I926fde257cae701901dcd4ca408024feae8c90a6
Merged-In: I926fde257cae701901dcd4ca408024feae8c90a6
2020-03-19 18:33:55 -07:00

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/*
* 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/AttributeResolution.h"
#include <array>
#include "android-base/file.h"
#include "android-base/logging.h"
#include "android-base/macros.h"
#include "androidfw/AssetManager2.h"
#include "androidfw/ResourceUtils.h"
#include "TestHelpers.h"
#include "data/styles/R.h"
using com::android::app::R;
namespace android {
class AttributeResolutionTest : public ::testing::Test {
public:
virtual void SetUp() override {
styles_assets_ = ApkAssets::Load(GetTestDataPath() + "/styles/styles.apk");
ASSERT_NE(nullptr, styles_assets_);
assetmanager_.SetApkAssets({styles_assets_.get()});
}
protected:
std::unique_ptr<const ApkAssets> styles_assets_;
AssetManager2 assetmanager_;
};
class AttributeResolutionXmlTest : public AttributeResolutionTest {
public:
virtual void SetUp() override {
AttributeResolutionTest::SetUp();
std::unique_ptr<Asset> asset =
assetmanager_.OpenNonAsset("res/layout/layout.xml", Asset::ACCESS_BUFFER);
ASSERT_NE(nullptr, asset);
ASSERT_EQ(NO_ERROR,
xml_parser_.setTo(asset->getBuffer(true), asset->getLength(), true /*copyData*/));
// Skip to the first tag.
while (xml_parser_.next() != ResXMLParser::START_TAG) {
}
}
protected:
ResXMLTree xml_parser_;
};
TEST(AttributeResolutionLibraryTest, ApplyStyleWithDefaultStyleResId) {
AssetManager2 assetmanager;
auto apk_assets = ApkAssets::Load(GetTestDataPath() + "/styles/styles.apk", PROPERTY_DYNAMIC);
ASSERT_NE(nullptr, apk_assets);
assetmanager.SetApkAssets({apk_assets.get()});
std::unique_ptr<Theme> theme = assetmanager.NewTheme();
std::array<uint32_t, 2> attrs{
{fix_package_id(R::attr::attr_one, 0x02), fix_package_id(R::attr::attr_two, 0x02)}};
std::array<uint32_t, attrs.size() * STYLE_NUM_ENTRIES> values;
std::array<uint32_t, attrs.size() + 1> indices;
ApplyStyle(theme.get(), nullptr /*xml_parser*/, 0u /*def_style_attr*/,
fix_package_id(R::style::StyleOne, 0x02), attrs.data(), attrs.size(), values.data(),
indices.data());
const uint32_t public_flag = ResTable_typeSpec::SPEC_PUBLIC;
const uint32_t* values_cursor = values.data();
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(1u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(2u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
}
TEST_F(AttributeResolutionTest, Theme) {
std::unique_ptr<Theme> theme = assetmanager_.NewTheme();
ASSERT_TRUE(theme->ApplyStyle(R::style::StyleTwo));
std::array<uint32_t, 5> attrs{{R::attr::attr_one, R::attr::attr_two, R::attr::attr_three,
R::attr::attr_four, R::attr::attr_empty}};
std::array<uint32_t, attrs.size() * STYLE_NUM_ENTRIES> values;
ASSERT_TRUE(ResolveAttrs(theme.get(), 0u /*def_style_attr*/, 0u /*def_style_res*/,
nullptr /*src_values*/, 0 /*src_values_length*/, attrs.data(),
attrs.size(), values.data(), nullptr /*out_indices*/));
const uint32_t public_flag = ResTable_typeSpec::SPEC_PUBLIC;
const uint32_t* values_cursor = values.data();
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(1u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_STRING, values_cursor[STYLE_TYPE]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(3u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(Res_value::DATA_NULL_UNDEFINED, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
// @empty comes from the theme, so it has the same asset cookie and changing configurations flags
// as the theme.
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(Res_value::DATA_NULL_EMPTY, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
}
TEST_F(AttributeResolutionXmlTest, XmlParser) {
std::array<uint32_t, 5> attrs{{R::attr::attr_one, R::attr::attr_two, R::attr::attr_three,
R::attr::attr_four, R::attr::attr_empty}};
std::array<uint32_t, attrs.size() * STYLE_NUM_ENTRIES> values;
ASSERT_TRUE(RetrieveAttributes(&assetmanager_, &xml_parser_, attrs.data(), attrs.size(),
values.data(), nullptr /*out_indices*/));
uint32_t* values_cursor = values.data();
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(Res_value::DATA_NULL_EMPTY, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(0u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(10u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_ATTRIBUTE, values_cursor[STYLE_TYPE]);
EXPECT_EQ(R::attr::attr_indirect, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(Res_value::DATA_NULL_UNDEFINED, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
}
TEST_F(AttributeResolutionXmlTest, ThemeAndXmlParser) {
std::unique_ptr<Theme> theme = assetmanager_.NewTheme();
ASSERT_TRUE(theme->ApplyStyle(R::style::StyleTwo));
std::array<uint32_t, 6> attrs{{R::attr::attr_one, R::attr::attr_two, R::attr::attr_three,
R::attr::attr_four, R::attr::attr_five, R::attr::attr_empty}};
std::array<uint32_t, attrs.size() * STYLE_NUM_ENTRIES> values;
std::array<uint32_t, attrs.size() + 1> indices;
ApplyStyle(theme.get(), &xml_parser_, 0u /*def_style_attr*/, 0u /*def_style_res*/, attrs.data(),
attrs.size(), values.data(), indices.data());
const uint32_t public_flag = ResTable_typeSpec::SPEC_PUBLIC;
uint32_t* values_cursor = values.data();
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(Res_value::DATA_NULL_EMPTY, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_STRING, values_cursor[STYLE_TYPE]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(10u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(uint32_t(-1), values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(0u, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_INT_DEC, values_cursor[STYLE_TYPE]);
EXPECT_EQ(3u, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_STRING, values_cursor[STYLE_TYPE]);
EXPECT_EQ(R::string::string_one, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
// @empty comes from the theme, so it has the same asset cookie and changing configurations flags
// as the theme.
values_cursor += STYLE_NUM_ENTRIES;
EXPECT_EQ(Res_value::TYPE_NULL, values_cursor[STYLE_TYPE]);
EXPECT_EQ(Res_value::DATA_NULL_EMPTY, values_cursor[STYLE_DATA]);
EXPECT_EQ(0u, values_cursor[STYLE_RESOURCE_ID]);
EXPECT_EQ(1u, values_cursor[STYLE_ASSET_COOKIE]);
EXPECT_EQ(0u, values_cursor[STYLE_DENSITY]);
EXPECT_EQ(public_flag, values_cursor[STYLE_CHANGING_CONFIGURATIONS]);
// The first element of indices contains the number of indices.
std::array<uint32_t, 7> expected_indices = {{6u, 0u, 1u, 2u, 3u, 4u, 5u}};
EXPECT_EQ(expected_indices, indices);
}
} // namespace android
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