Test leaking handles through the GC.

tests/0-leaked-handles.d

@@ -0,0 +1,36 @@
+/++ dub.sdl:
+	name "test"
+	dependency "eventcore" path=".."
++/
+module test;
+
+import eventcore.core;
+import eventcore.driver;
+import std.socket : InternetAddress;
+
+
+class C {
+	DatagramSocketFD m_handle;
+	EventDriver m_driver;
+
+	this()
+	{
+		auto addr = new InternetAddress(0x7F000001, 40001);
+		m_handle = eventDriver.sockets.createDatagramSocket(addr, null);
+		assert(m_handle != DatagramSocketFD.invalid);
+		m_driver = eventDriver;
+	}
+
+	~this()
+	{
+		assert(eventDriver is m_driver);
+		eventDriver.sockets.releaseRef(m_handle);
+	}
+}
+
+void main()
+{
+	// let the GC clean up at app exit
+	// note that this happens *after* the static module destructors have been run
+	new C;
+}