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#include "cru/base/Timer.h"
#include <catch2/catch_test_macros.hpp>
#include <chrono>
using cru::TimerRegistry;
using std::chrono::milliseconds;
using namespace std::chrono_literals;
TEST_CASE("TimerRegistry Works", "[timer]") {
TimerRegistry<int> registry;
REQUIRE_THROWS(registry.Add(1, -1ms, false));
REQUIRE_THROWS(registry.Add(1, 0ms, true));
auto mock_now = std::chrono::steady_clock::now();
auto timer1 = registry.Add(1, 50ms, false, mock_now);
auto timer2 = registry.Add(2, 100ms, false, mock_now);
auto timer3 = registry.Add(3, 60ms, true, mock_now);
auto timer4 = registry.Add(4, 100ms, true, mock_now);
mock_now += 20ms;
REQUIRE(registry.Update(mock_now) == std::nullopt);
REQUIRE(registry.NextTimeout(mock_now) == 30ms);
mock_now += 30ms;
REQUIRE(registry.Update(mock_now) ==
TimerRegistry<int>::UpdateResult{timer1, 1});
REQUIRE(registry.Update(mock_now) == std::nullopt);
REQUIRE(registry.NextTimeout(mock_now) == 10ms);
mock_now += 20ms;
REQUIRE(registry.Update(mock_now) ==
TimerRegistry<int>::UpdateResult{timer3, 3});
REQUIRE(registry.Update(mock_now) == std::nullopt);
REQUIRE(registry.NextTimeout(mock_now) == 30ms);
mock_now += 200ms;
int count = 0;
while (registry.Update(mock_now)) { count++;}
REQUIRE(count == 6);
}
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