UnitTests: Add SocketPoller test

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tests/Engine/Network/SocketPoller.cpp

@@ -0,0 +1,81 @@
+#include <Nazara/Network/SocketPoller.hpp>
+#include <Nazara/Network/TcpClient.hpp>
+#include <Nazara/Network/TcpServer.hpp>
+#include <Catch/catch.hpp>
+
+#include <Nazara/Math/Vector3.hpp>
+#include <Nazara/Network/NetPacket.hpp>
+
+SCENARIO("SocketPoller", "[NETWORK][SOCKETPOLLER]")
+{
+	GIVEN("A TcpServer and a TcpClient in a selector")
+	{
+		Nz::UInt16 port = 64256;
+		Nz::TcpServer server;
+		server.EnableBlocking(false);
+
+		REQUIRE(server.Listen(Nz::NetProtocol_IPv4, port) == Nz::SocketState_Bound);
+
+		Nz::IpAddress serverIP(Nz::IpAddress::LoopbackIpV4.ToIPv4(), port);
+		REQUIRE(serverIP.IsValid());
+
+		Nz::SocketPoller serverPoller;
+		Nz::TcpClient clientToServer;
+
+		WHEN("We register the server socket to the poller")
+		{
+			REQUIRE(serverPoller.RegisterSocket(server));
+
+			THEN("The poller should have registered our socket")
+			{
+				REQUIRE(serverPoller.IsRegistered(server));
+			}
+			AND_THEN("We connect using a TcpClient")
+			{
+				Nz::SocketState state = clientToServer.Connect(serverIP);
+
+				REQUIRE(state != Nz::SocketState_NotConnected);
+
+				AND_THEN("We wait on our selector, it should return true")
+				{
+					REQUIRE(serverPoller.Wait(1000));
+
+					Nz::TcpClient serverToClient;
+					REQUIRE(server.AcceptClient(&serverToClient));
+
+					WHEN("We register the client socket to the poller")
+					{
+						REQUIRE(serverPoller.RegisterSocket(serverToClient));
+
+						THEN("The poller should have registered our socket")
+						{
+							REQUIRE(serverPoller.IsRegistered(serverToClient));
+						}
+
+						AND_WHEN("We test sending data from the client to the server and checking the poller")
+						{
+							std::array<char, 5> buffer = {"Data"};
+
+							std::size_t sent;
+							REQUIRE(clientToServer.Send(buffer.data(), buffer.size(), &sent));
+							REQUIRE(sent == buffer.size());
+
+							REQUIRE(serverPoller.Wait(1000));
+
+							REQUIRE(serverPoller.IsReady(serverToClient));
+
+							REQUIRE(serverToClient.Read(buffer.data(), buffer.size()) == sent);
+
+							AND_THEN("Our selector should report no socket ready")
+							{
+								REQUIRE(!serverPoller.Wait(100));
+
+								REQUIRE(!serverPoller.IsReady(serverToClient));
+							}
+						}
+					}
+				}
+			}
+		}
+ 	}
+}