/* GObject - GLib Type, Object, Parameter and Signal Library
* override.c: Closure override test program
* Copyright (C) 2001, James Henstridge
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "TestOverride"
#undef G_DISABLE_ASSERT
#undef G_DISABLE_CHECKS
#undef G_DISABLE_CAST_CHECKS
#undef VERBOSE
#include <string.h>
#include <glib.h>
#include <glib-object.h>
#include "testcommon.h"
static guint foo_signal_id = 0;
static guint bar_signal_id = 0;
static guint baz_signal_id = 0;
static GType test_i_get_type (void);
static GType test_a_get_type (void);
static GType test_b_get_type (void);
static GType test_c_get_type (void);
static void record (const gchar *str);
#define TEST_TYPE_I (test_i_get_type ())
typedef struct _TestI TestI;
typedef struct _TestIClass TestIClass;
struct _TestIClass
{
GTypeInterface base_iface;
};
static void
test_i_foo (TestI *self)
{
record ("TestI::foo");
}
static void
test_i_default_init (gpointer g_class)
{
foo_signal_id = g_signal_newv ("foo",
TEST_TYPE_I,
G_SIGNAL_RUN_LAST,
g_cclosure_new(G_CALLBACK(test_i_foo),
NULL, NULL),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, NULL);
}
static DEFINE_IFACE (TestI, test_i, NULL, test_i_default_init)
#define TEST_TYPE_A (test_a_get_type())
typedef struct _TestA TestA;
typedef struct _TestAClass TestAClass;
struct _TestA {
GObject parent;
};
struct _TestAClass {
GObjectClass parent_class;
void (* bar) (TestA *self);
};
static void
test_a_foo (TestI *self)
{
GValue args[1] = { G_VALUE_INIT };
record ("TestA::foo");
g_value_init (&args[0], TEST_TYPE_A);
g_value_set_object (&args[0], self);
g_assert (g_signal_get_invocation_hint (self)->signal_id == foo_signal_id);
g_signal_chain_from_overridden (args, NULL);
g_value_unset (&args[0]);
}
static void
test_a_bar (TestA *self)
{
record ("TestA::bar");
}
static gchar *
test_a_baz (TestA *self,
GObject *object,
gpointer pointer)
{
record ("TestA::baz");
g_assert (object == G_OBJECT (self));
g_assert (GPOINTER_TO_INT (pointer) == 23);
return g_strdup ("TestA::baz");
}
static void
test_a_class_init (TestAClass *class)
{
class->bar = test_a_bar;
bar_signal_id = g_signal_new ("bar",
TEST_TYPE_A,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (TestAClass, bar),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, NULL);
baz_signal_id = g_signal_new_class_handler ("baz",
TEST_TYPE_A,
G_SIGNAL_RUN_LAST,
G_CALLBACK (test_a_baz),
NULL, NULL,
g_cclosure_marshal_STRING__OBJECT_POINTER,
G_TYPE_STRING, 2,
G_TYPE_OBJECT,
G_TYPE_POINTER);
}
static void
test_a_interface_init (TestIClass *iface)
{
g_signal_override_class_closure (foo_signal_id,
TEST_TYPE_A,
g_cclosure_new (G_CALLBACK (test_a_foo),
NULL, NULL));
}
static DEFINE_TYPE_FULL (TestA, test_a,
test_a_class_init, NULL, NULL,
G_TYPE_OBJECT,
INTERFACE (test_a_interface_init, TEST_TYPE_I))
#define TEST_TYPE_B (test_b_get_type())
typedef struct _TestB TestB;
typedef struct _TestBClass TestBClass;
struct _TestB {
TestA parent;
};
struct _TestBClass {
TestAClass parent_class;
};
static void
test_b_foo (TestI *self)
{
GValue args[1] = { G_VALUE_INIT };
record ("TestB::foo");
g_value_init (&args[0], TEST_TYPE_A);
g_value_set_object (&args[0], self);
g_assert (g_signal_get_invocation_hint (self)->signal_id == foo_signal_id);
g_signal_chain_from_overridden (args, NULL);
g_value_unset (&args[0]);
}
static void
test_b_bar (TestA *self)
{
GValue args[1] = { G_VALUE_INIT };
record ("TestB::bar");
g_value_init (&args[0], TEST_TYPE_A);
g_value_set_object (&args[0], self);
g_assert (g_signal_get_invocation_hint (self)->signal_id == bar_signal_id);
g_signal_chain_from_overridden (args, NULL);
g_value_unset (&args[0]);
}
static gchar *
test_b_baz (TestA *self,
GObject *object,
gpointer pointer)
{
gchar *retval = NULL;
record ("TestB::baz");
g_assert (object == G_OBJECT (self));
g_assert (GPOINTER_TO_INT (pointer) == 23);
g_signal_chain_from_overridden_handler (self, object, pointer, &retval);
if (retval)
{
gchar *tmp = g_strconcat (retval , ",TestB::baz", NULL);
g_free (retval);
retval = tmp;
}
return retval;
}
static void
test_b_class_init (TestBClass *class)
{
g_signal_override_class_closure (foo_signal_id,
TEST_TYPE_B,
g_cclosure_new (G_CALLBACK (test_b_foo),
NULL, NULL));
g_signal_override_class_closure (bar_signal_id,
TEST_TYPE_B,
g_cclosure_new (G_CALLBACK (test_b_bar),
NULL, NULL));
g_signal_override_class_handler ("baz",
TEST_TYPE_B,
G_CALLBACK (test_b_baz));
}
static DEFINE_TYPE (TestB, test_b,
test_b_class_init, NULL, NULL,
TEST_TYPE_A)
#define TEST_TYPE_C (test_c_get_type())
typedef struct _TestC TestC;
typedef struct _TestCClass TestCClass;
struct _TestC {
TestB parent;
};
struct _TestCClass {
TestBClass parent_class;
};
static void
test_c_foo (TestI *self)
{
GValue args[1] = { G_VALUE_INIT };
record ("TestC::foo");
g_value_init (&args[0], TEST_TYPE_A);
g_value_set_object (&args[0], self);
g_assert (g_signal_get_invocation_hint (self)->signal_id == foo_signal_id);
g_signal_chain_from_overridden (args, NULL);
g_value_unset (&args[0]);
}
static void
test_c_bar (TestA *self)
{
GValue args[1] = { G_VALUE_INIT };
record ("TestC::bar");
g_value_init (&args[0], TEST_TYPE_A);
g_value_set_object (&args[0], self);
g_assert (g_signal_get_invocation_hint (self)->signal_id == bar_signal_id);
g_signal_chain_from_overridden (args, NULL);
g_value_unset (&args[0]);
}
static gchar *
test_c_baz (TestA *self,
GObject *object,
gpointer pointer)
{
gchar *retval = NULL;
record ("TestC::baz");
g_assert (object == G_OBJECT (self));
g_assert (GPOINTER_TO_INT (pointer) == 23);
g_signal_chain_from_overridden_handler (self, object, pointer, &retval);
if (retval)
{
gchar *tmp = g_strconcat (retval , ",TestC::baz", NULL);
g_free (retval);
retval = tmp;
}
return retval;
}
static void
test_c_class_init (TestBClass *class)
{
g_signal_override_class_closure (foo_signal_id,
TEST_TYPE_C,
g_cclosure_new (G_CALLBACK (test_c_foo),
NULL, NULL));
g_signal_override_class_closure (bar_signal_id,
TEST_TYPE_C,
g_cclosure_new (G_CALLBACK (test_c_bar),
NULL, NULL));
g_signal_override_class_handler ("baz",
TEST_TYPE_C,
G_CALLBACK (test_c_baz));
}
static DEFINE_TYPE (TestC, test_c,
test_c_class_init, NULL, NULL,
TEST_TYPE_B)
static GString *test_string = NULL;
gboolean failed = FALSE;
static void
record (const gchar *str)
{
if (test_string->len)
g_string_append_c (test_string, ',');
g_string_append (test_string, str);
}
static void
test (GType type,
const gchar *signal,
const gchar *expected,
const gchar *expected_retval)
{
GObject *self = g_object_new (type, NULL);
test_string = g_string_new (NULL);
if (strcmp (signal, "baz"))
{
g_signal_emit_by_name (self, signal);
}
else
{
gchar *ret;
g_signal_emit_by_name (self, signal, self, GINT_TO_POINTER (23), &ret);
if (strcmp (ret, expected_retval) != 0)
failed = TRUE;
g_free (ret);
}
#ifndef VERBOSE
if (strcmp (test_string->str, expected) != 0)
#endif
{
g_printerr ("*** emitting %s on a %s instance\n"
" Expecting: %s\n"
" Got: %s\n",
signal, g_type_name (type),
expected,
test_string->str);
if (strcmp (test_string->str, expected) != 0)
failed = TRUE;
}
g_string_free (test_string, TRUE);
g_object_unref (self);
}
int
main (int argc, char **argv)
{
g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
G_LOG_LEVEL_WARNING |
G_LOG_LEVEL_CRITICAL);
test (TEST_TYPE_A, "foo", "TestA::foo,TestI::foo", NULL);
test (TEST_TYPE_A, "bar", "TestA::bar", NULL);
test (TEST_TYPE_A, "baz", "TestA::baz", "TestA::baz");
test (TEST_TYPE_B, "foo", "TestB::foo,TestA::foo,TestI::foo", NULL);
test (TEST_TYPE_B, "bar", "TestB::bar,TestA::bar", NULL);
test (TEST_TYPE_B, "baz", "TestB::baz,TestA::baz", "TestA::baz,TestB::baz");
test (TEST_TYPE_C, "foo", "TestC::foo,TestB::foo,TestA::foo,TestI::foo", NULL);
test (TEST_TYPE_C, "bar", "TestC::bar,TestB::bar,TestA::bar", NULL);
test (TEST_TYPE_C, "baz", "TestC::baz,TestB::baz,TestA::baz", "TestA::baz,TestB::baz,TestC::baz");
return failed ? 1 : 0;
}