1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <androidfw/ResourceTypes.h> 18 #include <utils/Log.h> 19 #include <utils/String8.h> 20 #include <utils/Vector.h> 21 22 #include "TestHelpers.h" 23 #include <gtest/gtest.h> 24 25 namespace android { 26 27 static ResTable_config selectBest(const ResTable_config& target, 28 const Vector<ResTable_config>& configs) { 29 ResTable_config bestConfig; 30 memset(&bestConfig, 0, sizeof(bestConfig)); 31 const size_t configCount = configs.size(); 32 for (size_t i = 0; i < configCount; i++) { 33 const ResTable_config& thisConfig = configs[i]; 34 if (!thisConfig.match(target)) { 35 continue; 36 } 37 38 if (thisConfig.isBetterThan(bestConfig, &target)) { 39 bestConfig = thisConfig; 40 } 41 } 42 return bestConfig; 43 } 44 45 static ResTable_config buildDensityConfig(int density) { 46 ResTable_config config; 47 memset(&config, 0, sizeof(config)); 48 config.density = uint16_t(density); 49 config.sdkVersion = 4; 50 return config; 51 } 52 53 TEST(ConfigTest, shouldSelectBestDensity) { 54 ResTable_config deviceConfig; 55 memset(&deviceConfig, 0, sizeof(deviceConfig)); 56 deviceConfig.density = ResTable_config::DENSITY_XHIGH; 57 deviceConfig.sdkVersion = 21; 58 59 Vector<ResTable_config> configs; 60 61 ResTable_config expectedBest = buildDensityConfig(ResTable_config::DENSITY_HIGH); 62 configs.add(expectedBest); 63 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 64 65 expectedBest = buildDensityConfig(ResTable_config::DENSITY_XXHIGH); 66 configs.add(expectedBest); 67 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 68 69 expectedBest = buildDensityConfig(int(ResTable_config::DENSITY_XXHIGH) - 20); 70 configs.add(expectedBest); 71 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 72 73 configs.add(buildDensityConfig(int(ResTable_config::DENSITY_HIGH) + 20)); 74 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 75 76 expectedBest = buildDensityConfig(ResTable_config::DENSITY_XHIGH); 77 configs.add(expectedBest); 78 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 79 80 expectedBest = buildDensityConfig(ResTable_config::DENSITY_ANY); 81 expectedBest.sdkVersion = 21; 82 configs.add(expectedBest); 83 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 84 } 85 86 TEST(ConfigTest, shouldSelectBestDensityWhenNoneSpecified) { 87 ResTable_config deviceConfig; 88 memset(&deviceConfig, 0, sizeof(deviceConfig)); 89 deviceConfig.sdkVersion = 21; 90 91 Vector<ResTable_config> configs; 92 configs.add(buildDensityConfig(ResTable_config::DENSITY_HIGH)); 93 94 ResTable_config expectedBest = buildDensityConfig(ResTable_config::DENSITY_MEDIUM); 95 configs.add(expectedBest); 96 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 97 98 expectedBest = buildDensityConfig(ResTable_config::DENSITY_ANY); 99 configs.add(expectedBest); 100 ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs)); 101 } 102 103 } // namespace android. 104
