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GActionGroup is now an interface

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- make GAction.get_state() return a reference
 - fix some leaks/warnings in the tests
 - fix signal propagation in GSimpleActionGroup
This commit is contained in:
Ryan Lortie 2010-08-30 17:31:06 +02:00
parent 75891001bc
commit 6cd62920bb
6 changed files with 90 additions and 126 deletions
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9
gio/gaction.c
View File

@ -195,7 +195,7 @@ g_action_get_property (GObject *object,
break; break;
case PROP_STATE: case PROP_STATE:
g_value_set_variant (value, g_action_get_state (action)); g_value_take_variant (value, g_action_get_state (action));
break; break;
default: default:
@ -398,7 +398,10 @@ g_action_set_state (GAction *action,
* action is stateful then the type of the return value is the type * action is stateful then the type of the return value is the type
* given by g_action_get_state_type(). * given by g_action_get_state_type().
* *
* Returns: (allow-none) (transfer none): the current state of the action * The return value should be released with g_variant_unref() when it is
* no longer required.
*
* Returns: (allow-none): the current state of the action
* *
* Since: 2.26 * Since: 2.26
**/ **/
@ -407,7 +410,7 @@ g_action_get_state (GAction *action)
{ {
g_return_val_if_fail (G_IS_ACTION (action), NULL); g_return_val_if_fail (G_IS_ACTION (action), NULL);
return action->priv->state; return action->priv->state ? g_variant_ref (action->priv->state) : NULL;
} }
/** /**

46
gio/gactiongroup.c
View File

@ -48,7 +48,7 @@
* on individual actions. * on individual actions.
**/ **/
G_DEFINE_ABSTRACT_TYPE (GActionGroup, g_action_group, G_TYPE_OBJECT) G_DEFINE_INTERFACE (GActionGroup, g_action_group, G_TYPE_OBJECT)
enum enum
{ {
@ -62,12 +62,7 @@ enum
static guint g_action_group_signals[NR_SIGNALS]; static guint g_action_group_signals[NR_SIGNALS];
static void static void
g_action_group_init (GActionGroup *action_group) g_action_group_default_init (GActionGroupInterface *class)
{
}
static void
g_action_group_class_init (GActionGroupClass *class)
{ {
/** /**
* GActionGroup::action-added: * GActionGroup::action-added:
@ -83,7 +78,7 @@ g_action_group_class_init (GActionGroupClass *class)
g_signal_new (I_("action-added"), g_signal_new (I_("action-added"),
G_TYPE_ACTION_GROUP, G_TYPE_ACTION_GROUP,
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (GActionGroupClass, action_added), G_STRUCT_OFFSET (GActionGroupInterface, action_added),
NULL, NULL, NULL, NULL,
g_cclosure_marshal_VOID__STRING, g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_NONE, 1,
@ -104,7 +99,7 @@ g_action_group_class_init (GActionGroupClass *class)
g_signal_new (I_("action-removed"), g_signal_new (I_("action-removed"),
G_TYPE_ACTION_GROUP, G_TYPE_ACTION_GROUP,
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (GActionGroupClass, action_removed), G_STRUCT_OFFSET (GActionGroupInterface, action_removed),
NULL, NULL, NULL, NULL,
g_cclosure_marshal_VOID__STRING, g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_NONE, 1,
@ -125,7 +120,8 @@ g_action_group_class_init (GActionGroupClass *class)
g_signal_new (I_("action-enabled-changed"), g_signal_new (I_("action-enabled-changed"),
G_TYPE_ACTION_GROUP, G_TYPE_ACTION_GROUP,
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (GActionGroupClass, action_enabled_changed), G_STRUCT_OFFSET (GActionGroupInterface,
action_enabled_changed),
NULL, NULL, NULL, NULL,
_gio_marshal_VOID__STRING_BOOLEAN, _gio_marshal_VOID__STRING_BOOLEAN,
G_TYPE_NONE, 2, G_TYPE_NONE, 2,
@ -146,7 +142,8 @@ g_action_group_class_init (GActionGroupClass *class)
g_signal_new (I_("action-state-changed"), g_signal_new (I_("action-state-changed"),
G_TYPE_ACTION_GROUP, G_TYPE_ACTION_GROUP,
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED, G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (GActionGroupClass, action_state_changed), G_STRUCT_OFFSET (GActionGroupInterface,
action_state_changed),
NULL, NULL, NULL, NULL,
_gio_marshal_VOID__STRING_VARIANT, _gio_marshal_VOID__STRING_VARIANT,
G_TYPE_NONE, 2, G_TYPE_NONE, 2,
@ -172,7 +169,8 @@ g_action_group_list_actions (GActionGroup *action_group)
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL);
return G_ACTION_GROUP_GET_CLASS (action_group)->list_actions (action_group); return G_ACTION_GROUP_GET_IFACE (action_group)
->list_actions (action_group);
} }
/** /**
@ -192,7 +190,8 @@ g_action_group_has_action (GActionGroup *action_group,
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), FALSE); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), FALSE);
return G_ACTION_GROUP_GET_CLASS (action_group)->has_action (action_group, action_name); return G_ACTION_GROUP_GET_IFACE (action_group)
->has_action (action_group, action_name);
} }
/** /**
@ -224,7 +223,8 @@ g_action_group_get_parameter_type (GActionGroup *action_group,
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL);
return G_ACTION_GROUP_GET_CLASS (action_group)->get_parameter_type (action_group, action_name); return G_ACTION_GROUP_GET_IFACE (action_group)
->get_parameter_type (action_group, action_name);
} }
/** /**
@ -258,7 +258,8 @@ g_action_group_get_state_type (GActionGroup *action_group,
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL);
return G_ACTION_GROUP_GET_CLASS (action_group)->get_state_type (action_group, action_name); return G_ACTION_GROUP_GET_IFACE (action_group)
->get_state_type (action_group, action_name);
} }
/** /**
@ -295,7 +296,8 @@ g_action_group_get_state_hint (GActionGroup *action_group,
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL);
return G_ACTION_GROUP_GET_CLASS (action_group)->get_state_hint (action_group, action_name); return G_ACTION_GROUP_GET_IFACE (action_group)
->get_state_hint (action_group, action_name);
} }
/** /**
@ -318,7 +320,8 @@ g_action_group_get_enabled (GActionGroup *action_group,
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), FALSE); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), FALSE);
return G_ACTION_GROUP_GET_CLASS (action_group)->get_enabled (action_group, action_name); return G_ACTION_GROUP_GET_IFACE (action_group)
->get_enabled (action_group, action_name);
} }
/** /**
@ -345,7 +348,8 @@ g_action_group_get_state (GActionGroup *action_group,
{ {
g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL); g_return_val_if_fail (G_IS_ACTION_GROUP (action_group), NULL);
return G_ACTION_GROUP_GET_CLASS (action_group)->get_state (action_group, action_name); return G_ACTION_GROUP_GET_IFACE (action_group)
->get_state (action_group, action_name);
} }
/** /**
@ -377,7 +381,8 @@ g_action_group_set_state (GActionGroup *action_group,
g_return_if_fail (action_name != NULL); g_return_if_fail (action_name != NULL);
g_return_if_fail (value != NULL); g_return_if_fail (value != NULL);
G_ACTION_GROUP_GET_CLASS (action_group)->set_state (action_group, action_name, value); G_ACTION_GROUP_GET_IFACE (action_group)
->set_state (action_group, action_name, value);
} }
/** /**
@ -403,7 +408,8 @@ g_action_group_activate (GActionGroup *action_group,
g_return_if_fail (G_IS_ACTION_GROUP (action_group)); g_return_if_fail (G_IS_ACTION_GROUP (action_group));
g_return_if_fail (action_name != NULL); g_return_if_fail (action_name != NULL);
G_ACTION_GROUP_GET_CLASS (action_group)->activate (action_group, action_name, parameter); G_ACTION_GROUP_GET_IFACE (action_group)
->activate (action_group, action_name, parameter);
} }
/** /**

43
gio/gactiongroup.h
View File

@ -33,33 +33,15 @@ G_BEGIN_DECLS
#define G_TYPE_ACTION_GROUP (g_action_group_get_type ()) #define G_TYPE_ACTION_GROUP (g_action_group_get_type ())
#define G_ACTION_GROUP(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \ #define G_ACTION_GROUP(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_ACTION_GROUP, GActionGroup)) G_TYPE_ACTION_GROUP, GActionGroup))
#define G_ACTION_GROUP_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \ #define G_IS_ACTION_GROUP(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_ACTION_GROUP, GActionGroupClass)) G_TYPE_ACTION_GROUP))
#define G_IS_ACTION_GROUP(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_ACTION_GROUP)) #define G_ACTION_GROUP_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), \
#define G_IS_ACTION_GROUP_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_ACTION_GROUP)) G_TYPE_ACTION_GROUP, GActionGroupInterface))
#define G_ACTION_GROUP_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_ACTION_GROUP, GActionGroupClass))
typedef struct _GActionGroupPrivate GActionGroupPrivate; typedef struct _GActionGroupInterface GActionGroupInterface;
typedef struct _GActionGroupClass GActionGroupClass;
/** /**
* GActionGroup: * GActionGroupInterface:
*
* The #GActionGroup structure contains private data and should only be accessed using the provided API.
*
* Since: 2.26
*/
struct _GActionGroup
{
/*< private >*/
GObject parent_instance;
GActionGroupPrivate *priv;
};
/**
* GActionGroupClass:
* @has_action: the virtual function pointer for g_action_group_has_action() * @has_action: the virtual function pointer for g_action_group_has_action()
* @list_actions: the virtual function pointer for g_action_group_list_actions() * @list_actions: the virtual function pointer for g_action_group_list_actions()
* @get_parameter_type: the virtual function pointer for g_action_group_get_parameter_type() * @get_parameter_type: the virtual function pointer for g_action_group_get_parameter_type()
@ -78,12 +60,10 @@ struct _GActionGroup
* *
* Since: 2.26 * Since: 2.26
*/ */
struct _GActionGroupClass struct _GActionGroupInterface
{ {
/*< private >*/ GTypeInterface g_iface;
GObjectClass parent_class;
/*< public >*/
/* virtual functions */ /* virtual functions */
gboolean (* has_action) (GActionGroup *action_group, gboolean (* has_action) (GActionGroup *action_group,
const gchar *action_name); const gchar *action_name);
@ -113,10 +93,6 @@ struct _GActionGroupClass
const gchar *action_name, const gchar *action_name,
GVariant *parameter); GVariant *parameter);
/*< private >*/
gpointer vtable_padding[6];
/*< public >*/
/* signals */ /* signals */
void (* action_added) (GActionGroup *action_group, void (* action_added) (GActionGroup *action_group,
const gchar *action_name); const gchar *action_name);
@ -128,9 +104,6 @@ struct _GActionGroupClass
void (* action_state_changed) (GActionGroup *action_group, void (* action_state_changed) (GActionGroup *action_group,
const gchar *action_name, const gchar *action_name,
GVariant *value); GVariant *value);
/*< private >*/
gpointer signal_padding[6];
}; };
GType g_action_group_get_type (void) G_GNUC_CONST; GType g_action_group_get_type (void) G_GNUC_CONST;

89
gio/gsimpleactiongroup.c
View File

@ -36,7 +36,11 @@ struct _GSimpleActionGroupPrivate
GHashTable *table; /* string -> GAction */ GHashTable *table; /* string -> GAction */
}; };
G_DEFINE_TYPE (GSimpleActionGroup, g_simple_action_group, G_TYPE_ACTION_GROUP) static void g_simple_action_group_iface_init (GActionGroupInterface *);
G_DEFINE_TYPE_WITH_CODE (GSimpleActionGroup,
g_simple_action_group, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_GROUP,
g_simple_action_group_iface_init))
static gchar ** static gchar **
g_simple_action_group_list_actions (GActionGroup *group) g_simple_action_group_list_actions (GActionGroup *group)
@ -176,23 +180,27 @@ g_simple_action_group_activate (GActionGroup *group,
} }
static void static void
action_enabled_changed (GAction *action, action_enabled_notify (GAction *action,
gboolean enabled, GParamSpec *pspec,
gpointer user_data) gpointer user_data)
{ {
g_action_group_action_enabled_changed (user_data, g_action_group_action_enabled_changed (user_data,
g_action_get_name (action), g_action_get_name (action),
enabled); g_action_get_enabled (action));
} }
static void static void
action_state_changed (GAction *action, action_state_notify (GAction *action,
GVariant *value, GParamSpec *pspec,
gpointer user_data) gpointer user_data)
{ {
GVariant *value;
value = g_action_get_state (action);
g_action_group_action_state_changed (user_data, g_action_group_action_state_changed (user_data,
g_action_get_name (action), g_action_get_name (action),
value); value);
g_variant_unref (value);
} }
static void static void
@ -200,9 +208,9 @@ g_simple_action_group_disconnect (gpointer key,
gpointer value, gpointer value,
gpointer user_data) gpointer user_data)
{ {
g_signal_handlers_disconnect_by_func (value, action_enabled_changed, g_signal_handlers_disconnect_by_func (value, action_enabled_notify,
user_data); user_data);
g_signal_handlers_disconnect_by_func (value, action_state_changed, g_signal_handlers_disconnect_by_func (value, action_state_notify,
user_data); user_data);
} }
@ -233,24 +241,27 @@ g_simple_action_group_init (GSimpleActionGroup *simple)
static void static void
g_simple_action_group_class_init (GSimpleActionGroupClass *class) g_simple_action_group_class_init (GSimpleActionGroupClass *class)
{ {
GActionGroupClass *group_class = G_ACTION_GROUP_CLASS (class);
GObjectClass *object_class = G_OBJECT_CLASS (class); GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = g_simple_action_group_finalize; object_class->finalize = g_simple_action_group_finalize;
group_class->list_actions = g_simple_action_group_list_actions;
group_class->has_action = g_simple_action_group_has_action;
group_class->get_parameter_type = g_simple_action_group_get_parameter_type;
group_class->get_state_type = g_simple_action_group_get_state_type;
group_class->get_state_hint = g_simple_action_group_get_state_hint;
group_class->get_enabled = g_simple_action_group_get_enabled;
group_class->get_state = g_simple_action_group_get_state;
group_class->set_state = g_simple_action_group_set_state;
group_class->activate = g_simple_action_group_activate;
g_type_class_add_private (class, sizeof (GSimpleActionGroupPrivate)); g_type_class_add_private (class, sizeof (GSimpleActionGroupPrivate));
} }
static void
g_simple_action_group_iface_init (GActionGroupInterface *iface)
{
iface->list_actions = g_simple_action_group_list_actions;
iface->has_action = g_simple_action_group_has_action;
iface->get_parameter_type = g_simple_action_group_get_parameter_type;
iface->get_state_type = g_simple_action_group_get_state_type;
iface->get_state_hint = g_simple_action_group_get_state_hint;
iface->get_enabled = g_simple_action_group_get_enabled;
iface->get_state = g_simple_action_group_get_state;
iface->set_state = g_simple_action_group_set_state;
iface->activate = g_simple_action_group_activate;
}
/** /**
* g_simple_action_group_new: * g_simple_action_group_new:
* *
@ -325,11 +336,11 @@ g_simple_action_group_insert (GSimpleActionGroup *simple,
} }
g_signal_connect (action, "notify::enabled", g_signal_connect (action, "notify::enabled",
G_CALLBACK (action_enabled_changed), simple); G_CALLBACK (action_enabled_notify), simple);
if (g_action_get_state_type (action) != NULL) if (g_action_get_state_type (action) != NULL)
g_signal_connect (action, "notify::state", g_signal_connect (action, "notify::state",
G_CALLBACK (action_state_changed), simple); G_CALLBACK (action_state_notify), simple);
g_hash_table_insert (simple->priv->table, g_hash_table_insert (simple->priv->table,
g_strdup (action_name), g_strdup (action_name),
@ -367,35 +378,3 @@ g_simple_action_group_remove (GSimpleActionGroup *simple,
g_hash_table_remove (simple->priv->table, action_name); g_hash_table_remove (simple->priv->table, action_name);
} }
} }
/**
* g_simple_action_group_set_enabled:
* @simple: a #GSimpleActionGroup
* @action_name: the name of an action
* @enabled: if the action should be enabled
*
* Sets an action in the group as being enabled or not.
*
* This is a convenience function, equivalent to calling
* g_simple_action_group_lookup() and using g_action_set_enabled() on
* the result.
*
* If no action named @action_name exists then this function does
* nothing.
*
* Since: 2.26
**/
void
g_simple_action_group_set_enabled (GSimpleActionGroup *simple,
const gchar *action_name,
gboolean enabled)
{
GAction *action;
g_return_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple));
action = g_hash_table_lookup (simple->priv->table, action_name);
if (action != NULL)
g_action_set_enabled (action, enabled);
}

8
gio/gsimpleactiongroup.h
View File

@ -55,7 +55,7 @@ typedef struct _GSimpleActionGroupClass GSimpleActionGroupCl
struct _GSimpleActionGroup struct _GSimpleActionGroup
{ {
/*< private >*/ /*< private >*/
GActionGroup parent_instance; GObject parent_instance;
GSimpleActionGroupPrivate *priv; GSimpleActionGroupPrivate *priv;
}; };
@ -63,7 +63,7 @@ struct _GSimpleActionGroup
struct _GSimpleActionGroupClass struct _GSimpleActionGroupClass
{ {
/*< private >*/ /*< private >*/
GActionGroupClass parent_class; GObjectClass parent_class;
/*< private >*/ /*< private >*/
gpointer padding[12]; gpointer padding[12];
@ -82,10 +82,6 @@ void g_simple_action_group_insert (GSimple
void g_simple_action_group_remove (GSimpleActionGroup *simple, void g_simple_action_group_remove (GSimpleActionGroup *simple,
const gchar *action_name); const gchar *action_name);
void g_simple_action_group_set_enabled (GSimpleActionGroup *simple,
const gchar *action_name,
gboolean enabled);
G_END_DECLS G_END_DECLS
#endif /* __G_SIMPLE_ACTION_GROUP_H__ */ #endif /* __G_SIMPLE_ACTION_GROUP_H__ */

21
gio/tests/actions.c
View File

@ -50,6 +50,7 @@ test_basic (void)
g_assert (enabled); g_assert (enabled);
g_assert (state_type == NULL); g_assert (state_type == NULL);
g_assert (state == NULL); g_assert (state == NULL);
g_free (name);
g_signal_connect (action, "activate", G_CALLBACK (activate), &a); g_signal_connect (action, "activate", G_CALLBACK (activate), &a);
g_assert (!a.did_run); g_assert (!a.did_run);
@ -99,7 +100,7 @@ test_basic (void)
} }
static gboolean static gboolean
strv_has_string (const gchar **haystack, strv_has_string (gchar **haystack,
const gchar *needle) const gchar *needle)
{ {
guint n; guint n;
@ -113,7 +114,7 @@ strv_has_string (const gchar **haystack,
} }
static gboolean static gboolean
strv_set_equal (const gchar **strv, ...) strv_set_equal (gchar **strv, ...)
{ {
gint count; gint count;
va_list list; va_list list;
@ -190,12 +191,15 @@ test_simple_group (void)
state = g_action_group_get_state (G_ACTION_GROUP (group), "bar"); state = g_action_group_get_state (G_ACTION_GROUP (group), "bar");
g_assert (g_variant_type_equal (g_variant_get_type (state), G_VARIANT_TYPE_STRING)); g_assert (g_variant_type_equal (g_variant_get_type (state), G_VARIANT_TYPE_STRING));
g_assert_cmpstr (g_variant_get_string (state, NULL), ==, "hihi"); g_assert_cmpstr (g_variant_get_string (state, NULL), ==, "hihi");
g_variant_unref (state);
g_action_group_set_state (G_ACTION_GROUP (group), "bar", g_variant_new_string ("boo")); g_action_group_set_state (G_ACTION_GROUP (group), "bar", g_variant_new_string ("boo"));
state = g_action_group_get_state (G_ACTION_GROUP (group), "bar"); state = g_action_group_get_state (G_ACTION_GROUP (group), "bar");
g_assert_cmpstr (g_variant_get_string (state, NULL), ==, "boo"); g_assert_cmpstr (g_variant_get_string (state, NULL), ==, "boo");
g_variant_unref (state);
g_simple_action_group_set_enabled (group, "bar", FALSE); action = g_simple_action_group_lookup (group, "bar");
g_action_set_enabled (action, FALSE);
g_assert (!g_action_group_get_enabled (G_ACTION_GROUP (group), "bar")); g_assert (!g_action_group_get_enabled (G_ACTION_GROUP (group), "bar"));
g_simple_action_group_remove (group, "bar"); g_simple_action_group_remove (group, "bar");
@ -212,6 +216,7 @@ test_simple_group (void)
static void static void
test_stateful (void) test_stateful (void)
{ {
GVariant *state;
GAction *action; GAction *action;
action = g_action_new_stateful ("foo", NULL, g_variant_new_string ("hihi")); action = g_action_new_stateful ("foo", NULL, g_variant_new_string ("hihi"));
@ -220,8 +225,9 @@ test_stateful (void)
g_assert (g_action_get_state_hint (action) == NULL); g_assert (g_action_get_state_hint (action) == NULL);
g_assert (g_variant_type_equal (g_action_get_state_type (action), g_assert (g_variant_type_equal (g_action_get_state_type (action),
G_VARIANT_TYPE_STRING)); G_VARIANT_TYPE_STRING));
g_assert_cmpstr (g_variant_get_string (g_action_get_state (action), NULL), state = g_action_get_state (action);
==, "hihi"); g_assert_cmpstr (g_variant_get_string (state, NULL), ==, "hihi");
g_variant_unref (state);
if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR)) if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
{ {
@ -231,8 +237,9 @@ test_stateful (void)
g_test_trap_assert_failed (); g_test_trap_assert_failed ();
g_action_set_state (action, g_variant_new_string ("hello")); g_action_set_state (action, g_variant_new_string ("hello"));
g_assert_cmpstr (g_variant_get_string (g_action_get_state (action), NULL), state = g_action_get_state (action);
==, "hello"); g_assert_cmpstr (g_variant_get_string (state, NULL), ==, "hello");
g_variant_unref (state);
g_object_unref (action); g_object_unref (action);