104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <androidfw/ResourceTypes.h>
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#include <utils/Log.h>
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#include <utils/String8.h>
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#include <utils/Vector.h>
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#include "TestHelpers.h"
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#include <gtest/gtest.h>
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namespace android {
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static ResTable_config selectBest(const ResTable_config& target,
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const Vector<ResTable_config>& configs) {
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ResTable_config bestConfig;
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memset(&bestConfig, 0, sizeof(bestConfig));
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const size_t configCount = configs.size();
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for (size_t i = 0; i < configCount; i++) {
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const ResTable_config& thisConfig = configs[i];
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if (!thisConfig.match(target)) {
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continue;
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}
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if (thisConfig.isBetterThan(bestConfig, &target)) {
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bestConfig = thisConfig;
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}
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}
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return bestConfig;
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}
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static ResTable_config buildDensityConfig(int density) {
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ResTable_config config;
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memset(&config, 0, sizeof(config));
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config.density = uint16_t(density);
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config.sdkVersion = 4;
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return config;
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}
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TEST(ConfigTest, shouldSelectBestDensity) {
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ResTable_config deviceConfig;
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memset(&deviceConfig, 0, sizeof(deviceConfig));
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deviceConfig.density = ResTable_config::DENSITY_XHIGH;
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deviceConfig.sdkVersion = 21;
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Vector<ResTable_config> configs;
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ResTable_config expectedBest = buildDensityConfig(ResTable_config::DENSITY_HIGH);
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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expectedBest = buildDensityConfig(ResTable_config::DENSITY_XXHIGH);
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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expectedBest = buildDensityConfig(int(ResTable_config::DENSITY_XXHIGH) - 20);
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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configs.add(buildDensityConfig(int(ResTable_config::DENSITY_HIGH) + 20));
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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expectedBest = buildDensityConfig(ResTable_config::DENSITY_XHIGH);
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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expectedBest = buildDensityConfig(ResTable_config::DENSITY_ANY);
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expectedBest.sdkVersion = 21;
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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}
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TEST(ConfigTest, shouldSelectBestDensityWhenNoneSpecified) {
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ResTable_config deviceConfig;
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memset(&deviceConfig, 0, sizeof(deviceConfig));
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deviceConfig.sdkVersion = 21;
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Vector<ResTable_config> configs;
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configs.add(buildDensityConfig(ResTable_config::DENSITY_HIGH));
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ResTable_config expectedBest = buildDensityConfig(ResTable_config::DENSITY_MEDIUM);
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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expectedBest = buildDensityConfig(ResTable_config::DENSITY_ANY);
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configs.add(expectedBest);
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ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
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}
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} // namespace android.
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