glib/tests/gobject/accumulator.c
Owen Taylor 4ec041d593 New directory, framework for automated GObject tests.
Fri Sep 12 16:26:21 2003  Owen Taylor  <otaylor@redhat.com>

        * tests/gobject/ configure.in: New directory, framework
        for automated GObject tests.

        * tests/gobject/override.c: Move testoverride.c
        here, automate.

        * tests/gobject/ifaceinit.c: Move testifaceinit.c here.

        * tests/gobject/accumulator.c: Test signal accumulators,
        including g_signal_accumulator_true_handled.
2003-09-12 20:37:09 +00:00

228 lines
5.8 KiB
C

/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 2001, 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "TestAccumulator"
#undef G_DISABLE_ASSERT
#undef G_DISABLE_CHECKS
#undef G_DISABLE_CAST_CHECKS
#include <string.h>
#include <glib-object.h>
#include "testmarshal.h"
#include "testcommon.h"
/* What this test tests is the behavior of signal accumulators
* Two accumulators are tested:
*
* 1: A custom accumulator that appends the returned strings
* 2: The standard g_signal_accumulator_true_handled that stops
* emission on TRUE returns.
*/
/*
* TestObject, a parent class for TestObject
*/
#define TEST_TYPE_OBJECT (test_object_get_type ())
typedef struct _TestObject TestObject;
typedef struct _TestObjectClass TestObjectClass;
struct _TestObject
{
GObject parent_instance;
};
struct _TestObjectClass
{
GObjectClass parent_class;
gchar* (*test_signal1) (TestObject *tobject,
gint param);
gboolean (*test_signal2) (TestObject *tobject,
gint param);
};
static GType test_object_get_type (void);
static gboolean
test_signal1_accumulator (GSignalInvocationHint *ihint,
GValue *return_accu,
const GValue *handler_return,
gpointer data)
{
const gchar *accu_string = g_value_get_string (return_accu);
const gchar *new_string = g_value_get_string (handler_return);
gchar *result_string;
if (accu_string)
result_string = g_strconcat (accu_string, new_string, NULL);
else if (new_string)
result_string = g_strdup (new_string);
else
result_string = NULL;
g_value_set_string_take_ownership (return_accu, result_string);
return TRUE;
}
gchar*
test_object_signal1_callback_before (TestObject *tobject,
gint param,
gpointer data)
{
return g_strdup ("<before>");
}
gchar*
test_object_real_signal1 (TestObject *tobject,
gint param)
{
return g_strdup ("<default>");
}
gchar*
test_object_signal1_callback_after (TestObject *tobject,
gint param,
gpointer data)
{
return g_strdup ("<after>");
}
gboolean
test_object_signal2_callback_before (TestObject *tobject,
gint param)
{
switch (param)
{
case 1: return TRUE;
case 2: return FALSE;
case 3: return FALSE;
case 4: return FALSE;
}
g_assert_not_reached ();
return FALSE;
}
gboolean
test_object_real_signal2 (TestObject *tobject,
gint param)
{
switch (param)
{
case 1: g_assert_not_reached (); return FALSE;
case 2: return TRUE;
case 3: return FALSE;
case 4: return FALSE;
}
g_assert_not_reached ();
return FALSE;
}
gboolean
test_object_signal2_callback_after (TestObject *tobject,
gint param)
{
switch (param)
{
case 1: g_assert_not_reached (); return FALSE;
case 2: g_assert_not_reached (); return FALSE;
case 3: return TRUE;
case 4: return FALSE;
}
g_assert_not_reached ();
return FALSE;
}
static void
test_object_class_init (TestObjectClass *class)
{
class->test_signal1 = test_object_real_signal1;
class->test_signal2 = test_object_real_signal2;
g_signal_new ("test-signal1",
G_OBJECT_CLASS_TYPE (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (TestObjectClass, test_signal1),
test_signal1_accumulator, NULL,
test_marshal_STRING__INT,
G_TYPE_STRING, 1, G_TYPE_INT);
g_signal_new ("test-signal2",
G_OBJECT_CLASS_TYPE (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (TestObjectClass, test_signal2),
g_signal_accumulator_true_handled, NULL,
test_marshal_BOOLEAN__INT,
G_TYPE_BOOLEAN, 1, G_TYPE_INT);
}
static DEFINE_TYPE(TestObject, test_object,
test_object_class_init, NULL, NULL,
G_TYPE_OBJECT)
int
main (int argc,
char *argv[])
{
TestObject *object;
gchar *string_result;
gboolean bool_result;
g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
G_LOG_LEVEL_WARNING |
G_LOG_LEVEL_CRITICAL);
g_type_init ();
object = g_object_new (TEST_TYPE_OBJECT, NULL);
g_signal_connect (object, "test-signal1",
G_CALLBACK (test_object_signal1_callback_before), NULL);
g_signal_connect_after (object, "test-signal1",
G_CALLBACK (test_object_signal1_callback_after), NULL);
g_signal_emit_by_name (object, "test-signal1", 0, &string_result);
g_assert (strcmp (string_result, "<before><default><after>") == 0);
g_free (string_result);
g_signal_connect (object, "test-signal2",
G_CALLBACK (test_object_signal2_callback_before), NULL);
g_signal_connect_after (object, "test-signal2",
G_CALLBACK (test_object_signal2_callback_after), NULL);
bool_result = FALSE;
g_signal_emit_by_name (object, "test-signal2", 1, &bool_result);
g_assert (bool_result == TRUE);
bool_result = FALSE;
g_signal_emit_by_name (object, "test-signal2", 2, &bool_result);
g_assert (bool_result == TRUE);
bool_result = FALSE;
g_signal_emit_by_name (object, "test-signal2", 3, &bool_result);
g_assert (bool_result == TRUE);
bool_result = TRUE;
g_signal_emit_by_name (object, "test-signal2", 4, &bool_result);
g_assert (bool_result == FALSE);
return 0;
}