Add test for extended object creation/deletion.

test/demo/main.gd

@@ -10,6 +10,7 @@ func _ready():
 	($Example as Example).simple_const_func() # Force use of ptrcall
 	prints("returned", $Example.return_something("some string"))
 	prints("returned const", $Example.return_something_const())
+	prints("returned ref", $Example.return_extended_ref())
 	prints("vararg args", $Example.varargs_func("some", "arguments", "to", "test"))
 
 	# Use properties.

test/src/example.cpp

@@ -38,12 +38,21 @@
 
 using namespace godot;
 
+ExampleRef::ExampleRef() {
+	UtilityFunctions::print("ExampleRef created.");
+}
+
+ExampleRef::~ExampleRef() {
+	UtilityFunctions::print("ExampleRef destroyed.");
+}
+
 void Example::_bind_methods() {
 	// Methods.
 	ClassDB::bind_method(D_METHOD("simple_func"), &Example::simple_func);
 	ClassDB::bind_method(D_METHOD("simple_const_func"), &Example::simple_const_func);
 	ClassDB::bind_method(D_METHOD("return_something"), &Example::return_something);
 	ClassDB::bind_method(D_METHOD("return_something_const"), &Example::return_something_const);
+	ClassDB::bind_method(D_METHOD("return_extended_ref"), &Example::return_extended_ref);
 
 	{
 		MethodInfo mi;
@@ -94,6 +103,10 @@ Viewport *Example::return_something_const() const {
 	return nullptr;
 }
 
+ExampleRef *Example::return_extended_ref() const {
+	return memnew(ExampleRef());
+}
+
 Variant Example::varargs_func(const Variant **args, GDNativeInt arg_count, GDNativeCallError &error) {
 	UtilityFunctions::print("Varargs called with ", String::num(arg_count), " arguments");
 	return arg_count;

test/src/example.h

@@ -39,6 +39,17 @@
 
 using namespace godot;
 
+class ExampleRef : public RefCounted {
+	GDCLASS(ExampleRef, RefCounted);
+
+protected:
+	static void _bind_methods() {}
+
+public:
+	ExampleRef();
+	~ExampleRef();
+};
+
 class Example : public Control {
 	GDCLASS(Example, Control);
 
@@ -64,6 +75,7 @@ public:
 	void simple_const_func() const;
 	String return_something(const String &base);
 	Viewport *return_something_const() const;
+	ExampleRef *return_extended_ref() const;
 	Variant varargs_func(const Variant **args, GDNativeInt arg_count, GDNativeCallError &error);
 	void emit_custom_signal(const String &name, int value);
 

test/src/register_types.cpp

@@ -41,6 +41,7 @@
 using namespace godot;
 
 void register_example_types() {
+	ClassDB::register_class<ExampleRef>();
 	ClassDB::register_class<Example>();
 }