dolphin/Source/UnitTests/Common/EventTest.cpp

// Copyright 2014 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.

#include <gtest/gtest.h>
#include <thread>

#include "Common/Event.h"

using Common::Event;

TEST(Event, MultiThreaded)
{
	Event has_sent, can_send;
	int shared_obj;
	const int ITERATIONS_COUNT = 100000;

	auto sender = [&]() {
		for (int i = 0; i < ITERATIONS_COUNT; ++i)
		{
			can_send.Wait();
			shared_obj = i;
			has_sent.Set();
		}
	};

	auto receiver = [&]() {
		for (int i = 0; i < ITERATIONS_COUNT; ++i) {
			has_sent.Wait();
			EXPECT_EQ(i, shared_obj);
			can_send.Set();
		}
	};

	std::thread sender_thread(sender);
	std::thread receiver_thread(receiver);

	can_send.Set();

	sender_thread.join();
	receiver_thread.join();
}