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#include <chrono>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <thread>
#define private public
#define protected public
#include <crepe/api/LoopManager.h>
#include <crepe/manager/EventManager.h>
#include <crepe/manager/LoopTimerManager.h>
using namespace std::chrono;
using namespace crepe;
class LoopManagerTest : public ::testing::Test {
protected:
class TestGameLoop : public crepe::LoopManager {
public:
MOCK_METHOD(void, fixed_update, (), (override));
MOCK_METHOD(void, frame_update, (), (override));
MOCK_METHOD(void, render, (), (override));
};
TestGameLoop test_loop;
void SetUp() override {}
};
TEST_F(LoopManagerTest, FixedUpdate) {
// Arrange
test_loop.loop_timer.set_target_fps(60);
// Set expectations for the mock calls
EXPECT_CALL(test_loop, render).Times(::testing::Exactly(60));
EXPECT_CALL(test_loop, frame_update).Times(::testing::Exactly(60));
EXPECT_CALL(test_loop, fixed_update).Times(::testing::Exactly(50));
// Start the loop in a separate thread
std::thread loop_thread([&]() { test_loop.start(); });
// Let the loop run for exactly 1 second
std::this_thread::sleep_for(std::chrono::seconds(1));
// Stop the game loop
test_loop.game_running = false;
// Wait for the loop thread to finish
loop_thread.join();
// Test finished
}
TEST_F(LoopManagerTest, ScaledFixedUpdate) {
// Arrange
test_loop.loop_timer.set_target_fps(60);
// Set expectations for the mock calls
EXPECT_CALL(test_loop, render).Times(::testing::Exactly(60));
EXPECT_CALL(test_loop, frame_update).Times(::testing::Exactly(60));
EXPECT_CALL(test_loop, fixed_update).Times(::testing::Exactly(50));
// Start the loop in a separate thread
std::thread loop_thread([&]() { test_loop.start(); });
// Let the loop run for exactly 1 second
std::this_thread::sleep_for(std::chrono::seconds(1));
// Stop the game loop
test_loop.game_running = false;
// Wait for the loop thread to finish
loop_thread.join();
// Test finished
}
TEST_F(LoopManagerTest, ShutDown) {
// Arrange
test_loop.loop_timer.set_target_fps(60);
EXPECT_CALL(test_loop, render).Times(::testing::AtLeast(1));
EXPECT_CALL(test_loop, frame_update).Times(::testing::AtLeast(1));
EXPECT_CALL(test_loop, fixed_update).Times(::testing::AtLeast(1));
// Start the loop in a separate thread
std::thread loop_thread([&]() { test_loop.start(); });
std::this_thread::sleep_for(std::chrono::milliseconds(1));
test_loop.event_manager.trigger_event<ShutDownEvent>(ShutDownEvent{});
// Wait for the loop thread to finish
loop_thread.join();
// Test finished
}
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