glib/gobject/tests/private.c
Emmanuele Bassi 7e5db31d36 Deprecate g_type_class_add_private()
It's been 4 years and 8 development cycles since we introduced
G_ADD_PRIVATE and offset-based private data access. It is now
time to finally deprecate the old mechanism.

Closes: #699
2018-06-14 11:33:53 +01:00

257 lines
5.8 KiB
C

#include <glib-object.h>
typedef struct {
GObject parent_instance;
} TestObject;
typedef struct {
int dummy_0;
float dummy_1;
} TestObjectPrivate;
typedef struct {
GObjectClass parent_class;
} TestObjectClass;
GType test_object_get_type (void);
G_DEFINE_TYPE_WITH_CODE (TestObject, test_object, G_TYPE_OBJECT,
G_ADD_PRIVATE (TestObject))
static void
test_object_class_init (TestObjectClass *klass)
{
}
static void
test_object_init (TestObject *self)
{
TestObjectPrivate *priv = test_object_get_instance_private (self);
if (g_test_verbose ())
g_printerr ("Offset of %sPrivate for type '%s': %d\n",
G_OBJECT_TYPE_NAME (self),
G_OBJECT_TYPE_NAME (self),
TestObject_private_offset);
priv->dummy_0 = 42;
priv->dummy_1 = 3.14159f;
}
static int
test_object_get_dummy_0 (TestObject *self)
{
TestObjectPrivate *priv = test_object_get_instance_private (self);
return priv->dummy_0;
}
static float
test_object_get_dummy_1 (TestObject *self)
{
TestObjectPrivate *priv = test_object_get_instance_private (self);
return priv->dummy_1;
}
typedef struct {
TestObject parent_instance;
} TestDerived;
typedef struct {
char *dummy_2;
} TestDerivedPrivate;
typedef struct {
TestObjectClass parent_class;
} TestDerivedClass;
GType test_derived_get_type (void);
G_DEFINE_TYPE_WITH_CODE (TestDerived, test_derived, test_object_get_type (),
G_ADD_PRIVATE (TestDerived))
static void
test_derived_finalize (GObject *obj)
{
TestDerivedPrivate *priv = test_derived_get_instance_private ((TestDerived *) obj);
g_free (priv->dummy_2);
G_OBJECT_CLASS (test_derived_parent_class)->finalize (obj);
}
static void
test_derived_class_init (TestDerivedClass *klass)
{
G_OBJECT_CLASS (klass)->finalize = test_derived_finalize;
}
static void
test_derived_init (TestDerived *self)
{
TestDerivedPrivate *priv = test_derived_get_instance_private (self);
if (g_test_verbose ())
g_printerr ("Offset of %sPrivate for type '%s': %d\n",
G_OBJECT_TYPE_NAME (self),
G_OBJECT_TYPE_NAME (self),
TestDerived_private_offset);
priv->dummy_2 = g_strdup ("Hello");
}
static const char *
test_derived_get_dummy_2 (TestDerived *self)
{
TestDerivedPrivate *priv = test_derived_get_instance_private (self);
return priv->dummy_2;
}
typedef struct {
TestObject parent_instance;
} TestMixed;
typedef struct {
gint dummy_3;
} TestMixedPrivate;
typedef struct {
TestObjectClass parent_class;
} TestMixedClass;
GType test_mixed_get_type (void);
G_DEFINE_TYPE (TestMixed, test_mixed, test_object_get_type ())
static void
test_mixed_class_init (TestMixedClass *klass)
{
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
g_type_class_add_private (klass, sizeof (TestMixedPrivate));
G_GNUC_END_IGNORE_DEPRECATIONS
}
static void
test_mixed_init (TestMixed *self)
{
TestMixedPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self, test_mixed_get_type (), TestMixedPrivate);
if (g_test_verbose ())
g_printerr ("Offset of %sPrivate for type '%s': %d\n",
G_OBJECT_TYPE_NAME (self),
G_OBJECT_TYPE_NAME (self),
TestMixed_private_offset);
priv->dummy_3 = 47;
}
static gint
test_mixed_get_dummy_3 (TestMixed *self)
{
TestMixedPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self, test_mixed_get_type (), TestMixedPrivate);
return priv->dummy_3;
}
typedef struct {
TestMixed parent_instance;
} TestMixedDerived;
typedef struct {
gint64 dummy_4;
} TestMixedDerivedPrivate;
typedef struct {
TestMixedClass parent_class;
} TestMixedDerivedClass;
GType test_mixed_derived_get_type (void);
G_DEFINE_TYPE_WITH_CODE (TestMixedDerived, test_mixed_derived, test_mixed_get_type (),
G_ADD_PRIVATE (TestMixedDerived))
static void
test_mixed_derived_class_init (TestMixedDerivedClass *klass)
{
}
static void
test_mixed_derived_init (TestMixedDerived *self)
{
TestMixedDerivedPrivate *priv = test_mixed_derived_get_instance_private (self);
if (g_test_verbose ())
g_printerr ("Offset of %sPrivate for type '%s': %d\n",
G_OBJECT_TYPE_NAME (self),
G_OBJECT_TYPE_NAME (self),
TestMixedDerived_private_offset);
priv->dummy_4 = g_get_monotonic_time ();
}
static gint64
test_mixed_derived_get_dummy_4 (TestMixedDerived *self)
{
TestMixedDerivedPrivate *priv = test_mixed_derived_get_instance_private (self);
return priv->dummy_4;
}
static void
private_instance (void)
{
TestObject *obj = g_object_new (test_object_get_type (), NULL);
gpointer class;
gint offset;
g_assert_cmpint (test_object_get_dummy_0 (obj), ==, 42);
g_assert_cmpfloat (test_object_get_dummy_1 (obj), ==, 3.14159f);
class = g_type_class_ref (test_object_get_type ());
offset = g_type_class_get_instance_private_offset (class);
g_type_class_unref (class);
g_assert (offset == TestObject_private_offset);
g_object_unref (obj);
}
static void
private_derived_instance (void)
{
TestDerived *obj = g_object_new (test_derived_get_type (), NULL);
g_assert_cmpstr (test_derived_get_dummy_2 (obj), ==, "Hello");
g_assert_cmpint (test_object_get_dummy_0 ((TestObject *) obj), ==, 42);
g_object_unref (obj);
}
static void
private_mixed_derived_instance (void)
{
TestMixedDerived *derived = g_object_new (test_mixed_derived_get_type (), NULL);
TestMixed *mixed = g_object_new (test_mixed_get_type (), NULL);
g_assert_cmpint (test_mixed_get_dummy_3 (mixed), ==, 47);
g_assert (test_mixed_derived_get_dummy_4 (derived) <= g_get_monotonic_time ());
g_object_unref (derived);
g_object_unref (mixed);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/private/instance", private_instance);
g_test_add_func ("/private/derived-instance", private_derived_instance);
g_test_add_func ("/private/mixed-derived-instance", private_mixed_derived_instance);
return g_test_run ();
}