/* Maplistmodel tests.
*
* Copyright ( C ) 2011 , Red Hat , Inc .
* Authors : Benjamin Otte < otte @ gnome . org >
*
* 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 , see < http : //www.gnu.org/licenses/>.
*/
#include <locale.h>
#include <gtk/gtk.h>
static GQuark number_quark;
static GQuark changes_quark;
static guint
get (GListModel *model,
guint position)
{
GObject *object = g_list_model_get_item (model, position);
guint number;
g_assert_nonnull (object);
number = GPOINTER_TO_UINT (g_object_get_qdata (object, number_quark));
g_object_unref (object);
return number;
}
static char *
model_to_string (GListModel *model)
{
GString *string = g_string_new (NULL);
guint i;
for (i = 0 ; i < g_list_model_get_n_items (model); i++)
{
if (i > 0 )
g_string_append (string, " " );
g_string_append_printf (string, "%u" , get (model, i));
}
return g_string_free (string, FALSE );
}
static char *
section_model_to_string (GListModel *model)
{
GString *string;
guint i, s, e;
if (!GTK_IS_SECTION_MODEL (model))
return model_to_string (model);
string = g_string_new (NULL);
i = 0 ;
while (i < g_list_model_get_n_items (model))
{
gtk_section_model_get_section (GTK_SECTION_MODEL (model), i, &s, &e);
g_assert_true (s == i);
if (i > 0 )
g_string_append (string, " " );
g_string_append (string, "[" );
for (; i < e; i++)
{
if (i > s)
g_string_append (string, " " );
g_string_append_printf (string, "%u" , get (model, i));
}
g_string_append (string, "]" );
i = e;
}
return g_string_free (string, FALSE );
}
static GListStore *
new_store (guint start,
guint end,
guint step);
static void
splice (GListStore *store,
guint pos,
guint removed,
guint *numbers,
guint added)
{
GObject **objects;
guint i;
objects = g_newa (GObject*, added);
for (i = 0 ; i < added; i++)
{
/* 0 cannot be differentiated from NULL, so don't use it */
g_assert_true (numbers[i] != 0 );
objects[i] = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_qdata (objects[i], number_quark, GUINT_TO_POINTER (numbers[i]));
}
g_list_store_splice (store, pos, removed, (gpointer *) objects, added);
for (i = 0 ; i < added; i++)
g_object_unref (objects[i]);
}
static void
add (GListStore *store,
guint number)
{
GObject *object;
/* 0 cannot be differentiated from NULL, so don't use it */
g_assert_cmpint (number, !=, 0 );
object = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_qdata (object, number_quark, GUINT_TO_POINTER (number));
g_list_store_append (store, object);
g_object_unref (object);
}
#define assert_model(model, expected) G_STMT_START{ \
char *s = model_to_string (G_LIST_MODEL (model)); \
if (!g_str_equal (s, expected)) \
g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
#model " == " #expected , s, "==" , expected); \
g_free (s); \
}G_STMT_END
#define assert_section_model(model, expected) G_STMT_START{ \
char *s = section_model_to_string (G_LIST_MODEL (model)); \
if (!g_str_equal (s, expected)) \
g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
#model " == " #expected , s, "==" , expected); \
g_free (s); \
}G_STMT_END
#define assert_changes(model, expected) G_STMT_START{ \
GString *changes = g_object_get_qdata (G_OBJECT (model), changes_quark); \
if (!g_str_equal (changes->str, expected)) \
g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
#model " == " #expected , changes->str, "==" , expected); \
g_string_set_size (changes, 0 ); \
}G_STMT_END
static GListStore *
new_empty_store (void )
{
return g_list_store_new (G_TYPE_OBJECT);
}
static GListStore *
new_store (guint start,
guint end,
guint step)
{
GListStore *store = new_empty_store ();
guint i;
for (i = start; i <= end; i += step)
add (store, i);
return store;
}
static void
items_changed (GListModel *model,
guint position,
guint removed,
guint added,
GString *changes)
{
g_assert_true (removed != 0 || added != 0 );
if (changes->len)
g_string_append (changes, ", " );
if (removed == 1 && added == 0 )
{
g_string_append_printf (changes, "-%u" , position);
}
else if (removed == 0 && added == 1 )
{
g_string_append_printf (changes, "+%u" , position);
}
else
{
g_string_append_printf (changes, "%u" , position);
if (removed > 0 )
g_string_append_printf (changes, "-%u" , removed);
if (added > 0 )
g_string_append_printf (changes, "+%u" , added);
}
}
static void
sections_changed (GListModel *model,
guint position,
guint n_items,
GString *changes)
{
g_assert_true (n_items != 0 );
if (changes->len)
g_string_append (changes, ", " );
g_string_append_printf (changes, "s%u:%u" , position, n_items);
}
static void
notify_n_items (GObject *object,
GParamSpec *pspec,
GString *changes)
{
g_string_append_c (changes, '*' );
}
static void
free_changes (gpointer data)
{
GString *changes = data;
/* all changes must have been checked via assert_changes() before */
g_assert_cmpstr (changes->str, ==, "" );
g_string_free (changes, TRUE );
}
static gpointer
map_multiply (gpointer item,
gpointer factor)
{
GObject *object;
guint num;
object = g_object_new (G_TYPE_OBJECT, NULL);
num = GPOINTER_TO_UINT (g_object_get_qdata (item, number_quark));
g_object_set_qdata (object, number_quark, GUINT_TO_POINTER (GPOINTER_TO_UINT (factor) * num));
g_object_unref (item);
return object;
}
static GtkMapListModel *
new_model (GListModel *store)
{
GtkMapListModel *result;
GString *changes;
if (store)
g_object_ref (store);
result = gtk_map_list_model_new (store, map_multiply, GUINT_TO_POINTER (2 ), NULL);
changes = g_string_new ("" );
g_object_set_qdata_full (G_OBJECT(result), changes_quark, changes, free_changes);
g_signal_connect (result, "items-changed" , G_CALLBACK (items_changed), changes);
g_signal_connect (result, "sections-changed" , G_CALLBACK (sections_changed), changes);
g_signal_connect (result, "notify::n-items" , G_CALLBACK (notify_n_items), changes);
return result;
}
static void
test_create_empty (void )
{
GtkMapListModel *map;
map = new_model (NULL);
assert_model (map, "" );
assert_changes (map, "" );
g_object_unref (map);
}
static void
test_create (void )
{
GtkMapListModel *map;
GListStore *store;
store = new_store (1 , 5 , 1 );
map = new_model (G_LIST_MODEL (store));
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "" );
g_object_unref (store);
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "" );
g_object_unref (map);
}
static void
test_set_model (void )
{
GtkMapListModel *map;
GListStore *store;
map = new_model (NULL);
assert_model (map, "" );
assert_changes (map, "" );
store = new_store (1 , 5 , 1 );
gtk_map_list_model_set_model (map, G_LIST_MODEL (store));
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "0+5*" );
gtk_map_list_model_set_model (map, NULL);
assert_model (map, "" );
assert_changes (map, "0-5*" );
g_object_unref (store);
g_object_unref (map);
}
static void
test_set_map_func (void )
{
GtkMapListModel *map;
GListStore *store;
store = new_store (1 , 5 , 1 );
map = new_model (G_LIST_MODEL (store));
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "" );
gtk_map_list_model_set_map_func (map, map_multiply, GUINT_TO_POINTER (3 ), NULL);
assert_model (map, "3 6 9 12 15" );
assert_changes (map, "0-5+5" );
gtk_map_list_model_set_map_func (map, NULL, NULL, NULL);
assert_model (map, "1 2 3 4 5" );
assert_changes (map, "0-5+5" );
gtk_map_list_model_set_map_func (map, map_multiply, GUINT_TO_POINTER (2 ), NULL);
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "0-5+5" );
g_object_unref (store);
g_object_unref (map);
}
static void
test_add_items (void )
{
GtkMapListModel *map;
GListStore *store;
store = new_store (1 , 5 , 1 );
map = new_model (G_LIST_MODEL (store));
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "" );
add (store, 6 );
assert_model (map, "2 4 6 8 10 12" );
assert_changes (map, "+5*" );
}
static void
test_remove_items (void )
{
GtkMapListModel *map;
GListStore *store;
store = new_store (1 , 5 , 1 );
map = new_model (G_LIST_MODEL (store));
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "" );
g_list_store_remove (store, 2 );
assert_model (map, "2 4 8 10" );
assert_changes (map, "-2*" );
}
static void
test_splice (void )
{
GtkMapListModel *map;
GListStore *store;
store = new_store (1 , 5 , 1 );
map = new_model (G_LIST_MODEL (store));
assert_model (map, "2 4 6 8 10" );
assert_changes (map, "" );
splice (store, 2 , 2 , (guint[]){ 4 , 3 }, 2 );
assert_model (map, "2 4 8 6 10" );
assert_changes (map, "2-2+2" );
}
static int
by_n (gconstpointer p1,
gconstpointer p2,
gpointer data)
{
guint n1 = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (p1), number_quark));
guint n2 = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (p2), number_quark));
unsigned int n = GPOINTER_TO_UINT (data);
n1 = n1 / n;
n2 = n2 / n;
if (n1 < n2)
return -1 ;
else if (n1 > n2)
return 1 ;
else
return 0 ;
}
static int
compare (gconstpointer first,
gconstpointer second,
gpointer unused)
{
return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (first), number_quark))
- GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (second), number_quark));
}
static void
test_sections (void )
{
GtkMapListModel *map;
GListStore *store;
GtkSortListModel *sorted;
GtkSorter *sorter;
store = new_store (1 , 10 , 1 );
sorted = gtk_sort_list_model_new (G_LIST_MODEL (store),
GTK_SORTER (gtk_custom_sorter_new (compare, NULL, NULL)));
map = new_model (G_LIST_MODEL (sorted));
assert_model (map, "2 4 6 8 10 12 14 16 18 20" );
assert_section_model (map, "[2 4 6 8 10 12 14 16 18 20]" );
assert_changes (map, "" );
sorter = GTK_SORTER (gtk_custom_sorter_new (by_n, GUINT_TO_POINTER (3 ), NULL));
gtk_sort_list_model_set_section_sorter (sorted, sorter);
g_object_unref (sorter);
assert_section_model (map, "[2 4] [6 8 10] [12 14 16] [18 20]" );
assert_changes (map, "s0:10" );
g_object_unref (map);
}
static void
test_changes (void )
{
GtkMapListModel *map;
GListStore *store;
GObject *object[2 ];
GObject *item1;
store = new_store (1 , 0 , 1 );
map = new_model (G_LIST_MODEL (store));
assert_model (map, "" );
assert_changes (map, "" );
// Add item to `store`
object[0 ] = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_qdata (object[0 ], number_quark, GUINT_TO_POINTER (1 ));
g_list_store_insert (store, 0 , object[0 ]);
g_object_unref (object[0 ]);
assert_model (map, "2" );
assert_changes (map, "+0*" );
// Maintain a reference to the mapped item. This is crucial
// to reproduce the bug.
item1 = g_list_model_get_item (G_LIST_MODEL (map), 0 );
// Add another item to `store`
object[0 ] = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_qdata (object[0 ], number_quark, GUINT_TO_POINTER (2 ));
g_list_store_insert (store, 0 , object[0 ]);
g_object_unref (object[0 ]);
assert_model (map, "4 2" );
assert_changes (map, "+0*" );
g_object_unref (item1);
item1 = g_list_model_get_item (G_LIST_MODEL (map), 0 );
object[0 ] = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_qdata (object[0 ], number_quark, GUINT_TO_POINTER (3 ));
object[1 ] = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_qdata (object[1 ], number_quark, GUINT_TO_POINTER (4 ));
g_list_store_splice (store, 1 , 0 , (gpointer *) object, 2 );
g_object_unref (object[0 ]);
g_object_unref (object[1 ]);
assert_model (map, "4 6 8 2" );
assert_changes (map, "1+2*" );
g_object_unref (item1);
item1 = g_list_model_get_item (G_LIST_MODEL (map), 0 );
g_list_store_splice (store, 0 , 2 , NULL, 0 );
assert_model (map, "8 2" );
assert_changes (map, "0-2*" );
g_object_unref (item1);
g_object_unref (map);
g_object_unref (store);
}
int
main (int argc, char *argv[])
{
(g_test_init) (&argc, &argv, NULL);
setlocale (LC_ALL, "C" );
number_quark = g_quark_from_static_string ("Hell and fire was spawned to be released." );
changes_quark = g_quark_from_static_string ("What did I see? Can I believe what I saw?" );
g_test_add_func ("/maplistmodel/create_empty" , test_create_empty);
g_test_add_func ("/maplistmodel/create" , test_create);
g_test_add_func ("/maplistmodel/set-model" , test_set_model);
g_test_add_func ("/maplistmodel/set-map-func" , test_set_map_func);
g_test_add_func ("/maplistmodel/add_items" , test_add_items);
g_test_add_func ("/maplistmodel/remove_items" , test_remove_items);
g_test_add_func ("/maplistmodel/splice" , test_splice);
g_test_add_func ("/maplistmodel/sections" , test_sections);
g_test_add_func ("/maplistmodel/changes" , test_changes);
return g_test_run ();
}
Messung V0.5 in Prozent C=99 H=94 G=96
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(vorverarbeitet am 2026-07-02)
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