gtk2/testsuite/gtk/sortlistmodel.c
Chun-wei Fan 1ca906008e testsuite/gtk/[flatten|sort]listmodel.c: Avoid VLA usage
Visual Studio is unlikely to support VLAs at any point, so avoid using
them and use g_newa() instead.
2018-10-09 16:26:21 +08:00

404 lines
11 KiB
C

/* GtkRBTree 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);
g_assert (object != NULL);
return GPOINTER_TO_UINT (g_object_get_qdata (object, number_quark));
}
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 void
splice (GListStore *store,
guint pos,
guint removed,
guint *numbers,
guint added)
{
GObject **objects = g_newa (GObject *, added);
guint i;
for (i = 0; i < added; i++)
{
/* 0 cannot be differentiated from NULL, so don't use it */
g_assert (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 (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_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 *numbers)
{
GListStore *store = new_empty_store ();
guint i;
for (i = 0; numbers[i] != 0; i++)
add (store, numbers[i]);
return store;
}
static void
items_changed (GListModel *model,
guint position,
guint removed,
guint added,
GString *changes)
{
g_assert (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
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 int
compare_modulo (gconstpointer first,
gconstpointer second,
gpointer modulo)
{
guint mod = GPOINTER_TO_UINT (modulo);
return (GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (first), number_quark)) % mod)
- (GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (second), number_quark)) % mod);
}
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 GtkSortListModel *
new_model (gpointer model)
{
GtkSortListModel *result;
GString *changes;
g_assert (model == NULL || G_IS_LIST_MODEL (model));
if (model)
result = gtk_sort_list_model_new (model, compare, NULL, NULL);
else
result = gtk_sort_list_model_new_for_type (G_TYPE_OBJECT);
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);
return result;
}
static void
test_create_empty (void)
{
GtkSortListModel *sort;
sort = new_model (NULL);
assert_model (sort, "");
assert_changes (sort, "");
g_object_unref (sort);
}
static void
test_create (void)
{
GtkSortListModel *sort;
GListStore *store;
store = new_store ((guint[]) { 4, 8, 2, 6, 10, 0 });
sort = new_model (store);
assert_model (sort, "2 4 6 8 10");
assert_changes (sort, "");
g_object_unref (store);
assert_model (sort, "2 4 6 8 10");
assert_changes (sort, "");
g_object_unref (sort);
}
static void
test_set_model (void)
{
GtkSortListModel *sort;
GListStore *store;
sort = new_model (NULL);
assert_model (sort, "");
assert_changes (sort, "");
store = new_store ((guint[]) { 4, 8, 2, 6, 10, 0 });
gtk_sort_list_model_set_model (sort, G_LIST_MODEL (store));
assert_model (sort, "4 8 2 6 10");
assert_changes (sort, "0+5");
gtk_sort_list_model_set_model (sort, NULL);
assert_model (sort, "");
assert_changes (sort, "0-5");
g_object_unref (sort);
sort = new_model (store);
assert_model (sort, "2 4 6 8 10");
assert_changes (sort, "");
gtk_sort_list_model_set_model (sort, NULL);
assert_model (sort, "");
assert_changes (sort, "0-5");
gtk_sort_list_model_set_model (sort, G_LIST_MODEL (store));
assert_model (sort, "2 4 6 8 10");
assert_changes (sort, "0+5");
g_object_unref (store);
g_object_unref (sort);
}
static void
test_set_sort_func (void)
{
GtkSortListModel *sort;
GListStore *store;
store = new_store ((guint[]) { 4, 8, 2, 6, 10, 0 });
sort = new_model (store);
assert_model (sort, "2 4 6 8 10");
assert_changes (sort, "");
gtk_sort_list_model_set_sort_func (sort, compare_modulo, GUINT_TO_POINTER (5), NULL);
assert_model (sort, "10 6 2 8 4");
assert_changes (sort, "0-5+5");
gtk_sort_list_model_set_sort_func (sort, NULL, NULL, NULL);
assert_model (sort, "4 8 2 6 10");
assert_changes (sort, "0-5+5");
gtk_sort_list_model_set_sort_func (sort, compare, NULL, NULL);
assert_model (sort, "2 4 6 8 10");
/* Technically, this is correct, but we shortcut setting the sort func:
* assert_changes (sort, "0-4+4"); */
assert_changes (sort, "0-5+5");
g_object_unref (store);
g_object_unref (sort);
}
static void
test_add_items (void)
{
GtkSortListModel *sort;
GListStore *store;
/* add beginning */
store = new_store ((guint[]) { 51, 99, 100, 49, 50, 0 });
sort = new_model (store);
assert_model (sort, "49 50 51 99 100");
assert_changes (sort, "");
splice (store, 4, 0, (guint[]) { 1, 2 }, 2);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "0+2");
g_object_unref (store);
g_object_unref (sort);
/* add middle */
store = new_store ((guint[]) { 99, 100, 1, 2, 0 });
sort = new_model (store);
assert_model (sort, "1 2 99 100");
assert_changes (sort, "");
splice (store, 2, 0, (guint[]) { 49, 50, 51 }, 3);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "2+3");
g_object_unref (store);
g_object_unref (sort);
/* add end */
store = new_store ((guint[]) { 51, 49, 1, 2, 50, 0 });
sort = new_model (store);
assert_model (sort, "1 2 49 50 51");
assert_changes (sort, "");
splice (store, 1, 0, (guint[]) { 99, 100 }, 2);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "5+2");
g_object_unref (store);
g_object_unref (sort);
}
static void
test_remove_items (void)
{
GtkSortListModel *sort;
GListStore *store;
/* remove beginning */
store = new_store ((guint[]) { 51, 99, 100, 49, 1, 2, 50, 0 });
sort = new_model (store);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "");
splice (store, 4, 2, NULL, 0);
assert_model (sort, "49 50 51 99 100");
assert_changes (sort, "0-2");
g_object_unref (store);
g_object_unref (sort);
/* remove middle */
store = new_store ((guint[]) { 99, 100, 51, 49, 50, 1, 2, 0 });
sort = new_model (store);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "");
splice (store, 2, 3, NULL, 0);
assert_model (sort, "1 2 99 100");
assert_changes (sort, "2-3");
g_object_unref (store);
g_object_unref (sort);
/* remove end */
store = new_store ((guint[]) { 51, 99, 100, 49, 1, 2, 50, 0 });
sort = new_model (store);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "");
splice (store, 1, 2, NULL, 0);
assert_model (sort, "1 2 49 50 51");
assert_changes (sort, "5-2");
g_object_unref (store);
g_object_unref (sort);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
setlocale (LC_ALL, "C");
g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=%s");
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 ("/sortlistmodel/create_empty", test_create_empty);
g_test_add_func ("/sortlistmodel/create", test_create);
g_test_add_func ("/sortlistmodel/set-model", test_set_model);
g_test_add_func ("/sortlistmodel/set-sort-func", test_set_sort_func);
#if GLIB_CHECK_VERSION (2, 58, 0) /* g_list_store_splice() is broken before 2.58 */
g_test_add_func ("/sortlistmodel/add_items", test_add_items);
g_test_add_func ("/sortlistmodel/remove_items", test_remove_items);
#endif
return g_test_run ();
}