1 /* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #include "webrtc/common.h" 11 12 #include "testing/gtest/include/gtest/gtest.h" 13 14 namespace webrtc { 15 namespace { 16 17 struct MyExperiment { 18 static const ConfigOptionID identifier = ConfigOptionID::kMyExperimentForTest; 19 static const int kDefaultFactor; 20 static const int kDefaultOffset; 21 22 MyExperiment() 23 : factor(kDefaultFactor), offset(kDefaultOffset) {} 24 25 MyExperiment(int factor, int offset) 26 : factor(factor), offset(offset) {} 27 28 int factor; 29 int offset; 30 }; 31 32 const int MyExperiment::kDefaultFactor = 1; 33 const int MyExperiment::kDefaultOffset = 2; 34 35 TEST(Config, ReturnsDefaultInstanceIfNotConfigured) { 36 Config config; 37 const MyExperiment& my_exp = config.Get<MyExperiment>(); 38 EXPECT_EQ(MyExperiment::kDefaultFactor, my_exp.factor); 39 EXPECT_EQ(MyExperiment::kDefaultOffset, my_exp.offset); 40 } 41 42 TEST(Config, ReturnOptionWhenSet) { 43 Config config; 44 config.Set<MyExperiment>(new MyExperiment(5, 1)); 45 const MyExperiment& my_exp = config.Get<MyExperiment>(); 46 EXPECT_EQ(5, my_exp.factor); 47 EXPECT_EQ(1, my_exp.offset); 48 } 49 50 TEST(Config, SetNullSetsTheOptionBackToDefault) { 51 Config config; 52 config.Set<MyExperiment>(new MyExperiment(5, 1)); 53 config.Set<MyExperiment>(NULL); 54 const MyExperiment& my_exp = config.Get<MyExperiment>(); 55 EXPECT_EQ(MyExperiment::kDefaultFactor, my_exp.factor); 56 EXPECT_EQ(MyExperiment::kDefaultOffset, my_exp.offset); 57 } 58 59 struct Algo1_CostFunction { 60 static const ConfigOptionID identifier = 61 ConfigOptionID::kAlgo1CostFunctionForTest; 62 Algo1_CostFunction() {} 63 64 virtual int cost(int x) const { 65 return x; 66 } 67 68 virtual ~Algo1_CostFunction() {} 69 }; 70 71 struct SqrCost : Algo1_CostFunction { 72 virtual int cost(int x) const { 73 return x*x; 74 } 75 }; 76 77 TEST(Config, SupportsPolymorphism) { 78 Config config; 79 config.Set<Algo1_CostFunction>(new SqrCost()); 80 EXPECT_EQ(25, config.Get<Algo1_CostFunction>().cost(5)); 81 } 82 } // namespace 83 } // namespace webrtc 84
