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#include <glibmm.h>
#include <iostream>
#include <stdlib.h>
// A basic derived GObject, just to test Glib::ObjectBase.
typedef struct
{
GObject parent;
} TestDerived;
typedef struct
{
GObjectClass parent;
} TestDerivedClass;
#define TEST_TYPE_DERIVED (test_derived_get_type())
#define TEST_DERIVED(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), TEST_TYPE_DERIVED, TestDerived))
#define TEST_DERIVED_CLASS(cls) \
(G_TYPE_CHECK_CLASS_CAST((cls), TEST_TYPE_DERIVED, TestDerivedClass))
#define TEST_DERIVED_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_DERIVED, TestDerivedClass))
static void
test_derived_class_init(TestDerivedClass*)
{
}
static void
test_derived_init(TestDerived*)
{
}
G_DEFINE_TYPE(TestDerived, test_derived, G_TYPE_OBJECT)
class DerivedObjectBase : public Glib::ObjectBase
{
public:
// A real application would never make the constructor public.
// It would instead have a protected constructor and a public create() method.
DerivedObjectBase(GObject* gobject, int i) : Glib::ObjectBase(nullptr), i_(i)
{
Glib::ObjectBase::initialize(gobject);
}
DerivedObjectBase(const DerivedObjectBase& src) = delete;
DerivedObjectBase& operator=(const DerivedObjectBase& src) = delete;
DerivedObjectBase(DerivedObjectBase&& src) noexcept : Glib::ObjectBase(std::move(src)),
i_(std::move(src.i_))
{
ObjectBase::initialize_move(src.gobject_, &src);
}
DerivedObjectBase& operator=(DerivedObjectBase&& src) noexcept
{
Glib::ObjectBase::operator=(std::move(src));
i_ = std::move(src.i_);
return *this;
}
int i_;
};
static void
test_objectbase_move_constructor()
{
GObject* gobject = G_OBJECT(g_object_new(TEST_TYPE_DERIVED, nullptr));
DerivedObjectBase derived(gobject, 5);
// std::cout << "debug: gobj(): " << derived.gobj() << std::endl;
g_assert(derived.gobj() == gobject);
DerivedObjectBase derived2(std::move(derived));
g_assert_cmpint(derived2.i_, ==, 5);
// std::cout << "debug: gobj(): " << derived2.gobj() << std::endl;
g_assert(derived2.gobj() == gobject);
g_assert(derived.gobj() == nullptr);
}
static void
test_objectbase_move_assignment_operator()
{
GObject* gobject = G_OBJECT(g_object_new(TEST_TYPE_DERIVED, nullptr));
DerivedObjectBase derived(gobject, 5);
// std::cout << "debug: gobj(): " << derived.gobj() << std::endl;
g_assert(derived.gobj() == gobject);
GObject* gobject2 = G_OBJECT(g_object_new(TEST_TYPE_DERIVED, nullptr));
DerivedObjectBase derived2(gobject2, 6);
derived2 = std::move(derived);
g_assert_cmpint(derived2.i_, ==, 5);
// std::cout << "debug: gobj(): " << derived2.gobj() << std::endl;
g_assert(derived2.gobj() == gobject);
g_assert(derived.gobj() == nullptr);
}
int
main(int, char**)
{
Glib::init();
test_objectbase_move_constructor();
test_objectbase_move_assignment_operator();
return EXIT_SUCCESS;
}
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