Add transport layer security to TCP sockets

test/Network/TcpSocket.test.cpp

@@ -0,0 +1,24 @@
+#include <CSFML/Network/TcpSocket.h>
+
+#include <SFML/Network/TcpSocket.hpp>
+
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("[Network] sfTcpSocket")
+{
+    SECTION("sfTlsStatus")
+    {
+        STATIC_CHECK(sfTlsNotConnected == static_cast<int>(sf::TcpSocket::TlsStatus::NotConnected));
+        STATIC_CHECK(sfTlsHandshakeStarted == static_cast<int>(sf::TcpSocket::TlsStatus::HandshakeStarted));
+        STATIC_CHECK(sfTlsHandshakeComplete == static_cast<int>(sf::TcpSocket::TlsStatus::HandshakeComplete));
+        STATIC_CHECK(sfTlsError == static_cast<int>(sf::TcpSocket::TlsStatus::Error));
+    }
+
+    SECTION("TLS on unconnected socket")
+    {
+        sfTcpSocket* socket = sfTcpSocket_create();
+        CHECK(sfTcpSocket_setupTlsClient(socket, "localhost", true) == sfTlsNotConnected);
+        CHECK(sfTcpSocket_getCurrentCiphersuiteName(socket) == nullptr);
+        sfTcpSocket_destroy(socket);
+    }
+}