#include "fces/population.hpp"
#include <gtest/gtest.h>

using namespace fces;

TEST(PopulationTest, Construction) {
  Population pop(50);
  EXPECT_EQ(pop.size(), 50);
}

TEST(PopulationTest, DirectConstruction) {
  Population pop(200, 10000, EliteStrategy::Cumulative, false, false, false,
                 false, false, true);
  EXPECT_EQ(pop.size(), 1);
}

TEST(PopulationTest, GetBestActive) {
  Population pop(10);
  auto &best = pop.get_best_active();
  // Should not crash
  EXPECT_GE(best.id, 0u);
}

TEST(PopulationTest, CalmDown) {
  Population pop(10);
  pop.calm_down();
  EXPECT_LT(pop.global_sigma_modifier(), 1.0f);
}