Add tests for sf::Socket

test/Network/Socket.test.cpp

@@ -1,9 +1,79 @@
 #include <SFML/Network/Socket.hpp>
 
+#include <catch2/catch_test_macros.hpp>
+
 #include <type_traits>
 
-static_assert(!std::is_constructible_v<sf::Socket>);
-static_assert(!std::is_copy_constructible_v<sf::Socket>);
-static_assert(!std::is_copy_assignable_v<sf::Socket>);
-static_assert(!std::is_nothrow_move_constructible_v<sf::Socket>);
-static_assert(!std::is_nothrow_move_assignable_v<sf::Socket>);
+class TestSocket : public sf::Socket
+{
+public:
+    TestSocket() : sf::Socket(sf::Socket::Type::Udp)
+    {
+    }
+
+    using sf::Socket::close;
+    using sf::Socket::create;
+    using sf::Socket::getHandle;
+};
+
+TEST_CASE("[Network] sf::Socket")
+{
+    SECTION("Type traits")
+    {
+        STATIC_CHECK(!std::is_constructible_v<sf::Socket>);
+        STATIC_CHECK(!std::is_copy_constructible_v<sf::Socket>);
+        STATIC_CHECK(!std::is_copy_assignable_v<sf::Socket>);
+        STATIC_CHECK(!std::is_nothrow_move_constructible_v<sf::Socket>);
+        STATIC_CHECK(!std::is_nothrow_move_assignable_v<sf::Socket>);
+    }
+
+    SECTION("Constants")
+    {
+        STATIC_CHECK(sf::Socket::AnyPort == 0);
+    }
+
+    const auto invalidHandle = static_cast<sf::SocketHandle>(-1);
+
+    SECTION("Construction")
+    {
+        const TestSocket testSocket;
+        CHECK(testSocket.isBlocking());
+        CHECK(testSocket.getHandle() == invalidHandle);
+    }
+
+    SECTION("Set/get blocking")
+    {
+        TestSocket testSocket;
+        testSocket.setBlocking(false);
+        CHECK(!testSocket.isBlocking());
+    }
+
+    SECTION("create()")
+    {
+        TestSocket testSocket;
+        testSocket.create();
+        CHECK(testSocket.isBlocking());
+        CHECK(testSocket.getHandle() != invalidHandle);
+
+        // Recreate socket to ensure nothing changed
+        testSocket.create();
+        CHECK(testSocket.isBlocking());
+        CHECK(testSocket.getHandle() != invalidHandle);
+    }
+
+    SECTION("close()")
+    {
+        TestSocket testSocket;
+        testSocket.create();
+        CHECK(testSocket.isBlocking());
+        CHECK(testSocket.getHandle() != invalidHandle);
+        testSocket.close();
+        CHECK(testSocket.isBlocking());
+        CHECK(testSocket.getHandle() == invalidHandle);
+
+        // Reclose socket to ensure nothing changed
+        testSocket.close();
+        CHECK(testSocket.isBlocking());
+        CHECK(testSocket.getHandle() == invalidHandle);
+    }
+}