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/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/common.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace webrtc {
namespace {
struct MyExperiment {
static const int kDefaultFactor;
static const int kDefaultOffset;
MyExperiment()
: factor(kDefaultFactor), offset(kDefaultOffset) {}
MyExperiment(int factor, int offset)
: factor(factor), offset(offset) {}
int factor;
int offset;
};
const int MyExperiment::kDefaultFactor = 1;
const int MyExperiment::kDefaultOffset = 2;
TEST(Config, ReturnsDefaultInstanceIfNotConfigured) {
Config config;
const MyExperiment& my_exp = config.Get<MyExperiment>();
EXPECT_EQ(MyExperiment::kDefaultFactor, my_exp.factor);
EXPECT_EQ(MyExperiment::kDefaultOffset, my_exp.offset);
}
TEST(Config, ReturnOptionWhenSet) {
Config config;
config.Set<MyExperiment>(new MyExperiment(5, 1));
const MyExperiment& my_exp = config.Get<MyExperiment>();
EXPECT_EQ(5, my_exp.factor);
EXPECT_EQ(1, my_exp.offset);
}
TEST(Config, SetNullSetsTheOptionBackToDefault) {
Config config;
config.Set<MyExperiment>(new MyExperiment(5, 1));
config.Set<MyExperiment>(NULL);
const MyExperiment& my_exp = config.Get<MyExperiment>();
EXPECT_EQ(MyExperiment::kDefaultFactor, my_exp.factor);
EXPECT_EQ(MyExperiment::kDefaultOffset, my_exp.offset);
}
struct Algo1_CostFunction {
Algo1_CostFunction() {}
virtual int cost(int x) const {
return x;
}
virtual ~Algo1_CostFunction() {}
};
struct SqrCost : Algo1_CostFunction {
virtual int cost(int x) const {
return x*x;
}
};
TEST(Config, SupportsPolymorphism) {
Config config;
config.Set<Algo1_CostFunction>(new SqrCost());
EXPECT_EQ(25, config.Get<Algo1_CostFunction>().cost(5));
}
} // namespace
} // namespace webrtc
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