forked from AuroraMiddleware/gtk
5080730728
Simplify all view model APIs and always return G_TYPE_OBJECT as the item-type for every model. It turns out nobody uses item-type anyway. So instead of adding lots of APIs, forcing people to think about it and trying to figure out how to handle filter or map models that modify item types, just having an easy life is a better approach. All the models need to be able to deal with any type of object going through anyway.
416 lines
10 KiB
C
416 lines
10 KiB
C
/* GtkRBTree tests.
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*
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* Copyright (C) 2011, Red Hat, Inc.
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* Authors: Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <locale.h>
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#include <gtk/gtk.h>
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static GQuark number_quark;
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static GQuark changes_quark;
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static guint
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get (GListModel *model,
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guint position)
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{
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GObject *object = g_list_model_get_item (model, position);
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guint number;
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g_assert (object != NULL);
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number = GPOINTER_TO_UINT (g_object_get_qdata (object, number_quark));
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g_object_unref (object);
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return number;
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}
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static char *
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model_to_string (GListModel *model)
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{
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GString *string = g_string_new (NULL);
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guint i;
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for (i = 0; i < g_list_model_get_n_items (model); i++)
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{
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if (i > 0)
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g_string_append (string, " ");
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g_string_append_printf (string, "%u", get (model, i));
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}
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return g_string_free (string, FALSE);
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}
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static GListStore *
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new_store (guint start,
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guint end,
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guint step);
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static void
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splice (GListStore *store,
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guint pos,
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guint removed,
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guint *numbers,
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guint added)
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{
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GObject **objects = g_newa (GObject *, added);
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guint i;
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for (i = 0; i < added; i++)
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{
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/* 0 cannot be differentiated from NULL, so don't use it */
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g_assert (numbers[i] != 0);
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objects[i] = g_object_new (G_TYPE_OBJECT, NULL);
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g_object_set_qdata (objects[i], number_quark, GUINT_TO_POINTER (numbers[i]));
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}
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g_list_store_splice (store, pos, removed, (gpointer *) objects, added);
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for (i = 0; i < added; i++)
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g_object_unref (objects[i]);
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}
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static void
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insert (GListStore *store,
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guint pos,
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guint number)
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{
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GObject *object;
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/* 0 cannot be differentiated from NULL, so don't use it */
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g_assert (number != 0);
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object = g_object_new (G_TYPE_OBJECT, NULL);
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g_object_set_qdata (object, number_quark, GUINT_TO_POINTER (number));
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g_list_store_insert (store, pos, object);
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g_object_unref (object);
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}
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static void
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add (GListStore *store,
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guint number)
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{
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GObject *object;
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/* 0 cannot be differentiated from NULL, so don't use it */
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g_assert (number != 0);
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object = g_object_new (G_TYPE_OBJECT, NULL);
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g_object_set_qdata (object, number_quark, GUINT_TO_POINTER (number));
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g_list_store_append (store, object);
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g_object_unref (object);
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}
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static GListStore *
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add_store (GListStore *store,
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guint start,
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guint end,
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guint step)
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{
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GListStore *child;
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child = new_store (start, end, step);
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g_list_store_append (store, child);
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g_object_unref (child);
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return child;
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}
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#define assert_model(model, expected) G_STMT_START{ \
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char *s = model_to_string (G_LIST_MODEL (model)); \
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if (!g_str_equal (s, expected)) \
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g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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#model " == " #expected, s, "==", expected); \
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g_free (s); \
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}G_STMT_END
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#define assert_changes(model, expected) G_STMT_START{ \
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GString *changes = g_object_get_qdata (G_OBJECT (model), changes_quark); \
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if (!g_str_equal (changes->str, expected)) \
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g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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#model " == " #expected, changes->str, "==", expected); \
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g_string_set_size (changes, 0); \
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}G_STMT_END
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static GListStore *
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new_empty_store (void)
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{
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return g_list_store_new (G_TYPE_OBJECT);
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}
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static GListStore *
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new_store (guint start,
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guint end,
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guint step)
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{
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GListStore *store = new_empty_store ();
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guint i;
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for (i = start; i <= end; i += step)
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add (store, i);
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return store;
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}
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static void
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items_changed (GListModel *model,
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guint position,
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guint removed,
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guint added,
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GString *changes)
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{
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g_assert (removed != 0 || added != 0);
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if (changes->len)
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g_string_append (changes, ", ");
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if (removed == 1 && added == 0)
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{
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g_string_append_printf (changes, "-%u", position);
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}
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else if (removed == 0 && added == 1)
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{
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g_string_append_printf (changes, "+%u", position);
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}
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else
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{
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g_string_append_printf (changes, "%u", position);
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if (removed > 0)
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g_string_append_printf (changes, "-%u", removed);
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if (added > 0)
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g_string_append_printf (changes, "+%u", added);
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}
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}
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static void
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free_changes (gpointer data)
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{
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GString *changes = data;
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/* all changes must have been checked via assert_changes() before */
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g_assert_cmpstr (changes->str, ==, "");
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g_string_free (changes, TRUE);
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}
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static GtkFlattenListModel *
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new_model (GListStore *store)
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{
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GtkFlattenListModel *result;
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GString *changes;
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result = gtk_flatten_list_model_new (G_LIST_MODEL (store));
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changes = g_string_new ("");
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g_object_set_qdata_full (G_OBJECT(result), changes_quark, changes, free_changes);
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g_signal_connect (result, "items-changed", G_CALLBACK (items_changed), changes);
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return result;
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}
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static void
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test_create_empty (void)
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{
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GtkFlattenListModel *flat;
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flat = new_model (NULL);
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assert_model (flat, "");
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assert_changes (flat, "");
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g_object_unref (flat);
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}
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static void
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test_create (void)
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{
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GtkFlattenListModel *flat;
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GListStore *model;
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model = g_list_store_new (G_TYPE_LIST_MODEL);
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add_store (model, 1, 3, 1);
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add_store (model, 4, 4, 1);
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add_store (model, 5, 7, 1);
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add_store (model, 8, 10, 1);
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flat = new_model (model);
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assert_model (flat, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (flat, "");
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g_object_unref (model);
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assert_model (flat, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (flat, "");
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g_object_unref (flat);
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}
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static void
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test_model_add (void)
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{
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GtkFlattenListModel *flat;
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GListStore *model;
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model = g_list_store_new (G_TYPE_LIST_MODEL);
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flat = new_model (model);
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assert_model (flat, "");
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assert_changes (flat, "");
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add_store (model, 1, 3, 1);
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add_store (model, 4, 4, 1);
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add_store (model, 5, 7, 1);
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add_store (model, 8, 10, 1);
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assert_model (flat, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (flat, "0+3, +3, 4+3, 7+3");
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g_object_unref (model);
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g_object_unref (flat);
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}
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static void
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test_submodel_add (void)
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{
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GtkFlattenListModel *flat;
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GListStore *model, *store[4];
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model = g_list_store_new (G_TYPE_LIST_MODEL);
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flat = new_model (model);
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assert_model (flat, "");
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assert_changes (flat, "");
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store[0] = add_store (model, 2, 3, 1);
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store[1] = add_store (model, 4, 4, 1);
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store[2] = add_store (model, 5, 4, 1);
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store[3] = add_store (model, 8, 8, 1);
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assert_model (flat, "2 3 4 8");
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assert_changes (flat, "0+2, +2, +3");
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insert (store[0], 0, 1);
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splice (store[2], 0, 0, (guint[3]) { 5, 6, 7 }, 3);
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splice (store[3], 1, 0, (guint[2]) { 9, 10 }, 2);
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assert_model (flat, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (flat, "+0, 4+3, 8+2");
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g_object_unref (model);
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g_object_unref (flat);
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}
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static void
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test_submodel_add2 (void)
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{
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GtkFlattenListModel *flat;
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GListStore *model, *store[3];
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model = g_list_store_new (G_TYPE_LIST_MODEL);
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flat = new_model (model);
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assert_model (flat, "");
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assert_changes (flat, "");
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store[0] = add_store (model, 1, 0, 0);
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store[1] = add_store (model, 1, 0, 0);
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store[2] = add_store (model, 1, 0, 0);
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assert_model (flat, "");
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assert_changes (flat, "");
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add (store[0], 1);
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assert_model (flat, "1");
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assert_changes (flat, "+0");
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add (store[1], 3);
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assert_model (flat, "1 3");
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assert_changes (flat, "+1");
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add (store[0], 2);
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assert_model (flat, "1 2 3");
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assert_changes (flat, "+1");
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add (store[1], 4);
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assert_model (flat, "1 2 3 4");
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assert_changes (flat, "+3");
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g_object_unref (model);
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g_object_unref (flat);
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}
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static void
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test_model_remove (void)
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{
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GtkFlattenListModel *flat;
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GListStore *model;
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model = g_list_store_new (G_TYPE_LIST_MODEL);
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add_store (model, 1, 3, 1);
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add_store (model, 4, 4, 1);
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add_store (model, 5, 7, 1);
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add_store (model, 8, 10, 1);
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flat = new_model (model);
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assert_model (flat, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (flat, "");
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splice (model, 1, 2, NULL, 0);
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g_list_store_remove (model, 1);
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g_list_store_remove (model, 0);
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g_object_unref (model);
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assert_model (flat, "");
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assert_changes (flat, "3-4, 3-3, 0-3");
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g_object_unref (flat);
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}
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static void
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test_submodel_remove (void)
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{
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GtkFlattenListModel *flat;
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GListStore *model, *store[4];
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model = g_list_store_new (G_TYPE_LIST_MODEL);
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store[0] = add_store (model, 1, 3, 1);
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store[1] = add_store (model, 4, 4, 1);
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store[2] = add_store (model, 5, 7, 1);
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store[3] = add_store (model, 8, 10, 1);
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flat = new_model (model);
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assert_model (flat, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (flat, "");
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g_list_store_remove (store[0], 0);
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splice (store[2], 0, 3, NULL, 0);
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splice (store[3], 1, 2, NULL, 0);
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g_object_unref (model);
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assert_model (flat, "2 3 4 8");
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assert_changes (flat, "-0, 3-3, 4-2");
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g_object_unref (flat);
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}
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int
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main (int argc, char *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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setlocale (LC_ALL, "C");
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number_quark = g_quark_from_static_string ("Hell and fire was spawned to be released.");
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changes_quark = g_quark_from_static_string ("What did I see? Can I believe what I saw?");
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g_test_add_func ("/flattenlistmodel/create_empty", test_create_empty);
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g_test_add_func ("/flattenlistmodel/create", test_create);
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g_test_add_func ("/flattenlistmodel/model/add", test_model_add);
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#if GLIB_CHECK_VERSION (2, 58, 0) /* g_list_store_splice() is broken before 2.58 */
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g_test_add_func ("/flattenlistmodel/submodel/add", test_submodel_add);
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g_test_add_func ("/flattenlistmodel/submodel/add2", test_submodel_add2);
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g_test_add_func ("/flattenlistmodel/model/remove", test_model_remove);
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g_test_add_func ("/flattenlistmodel/submodel/remove", test_submodel_remove);
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#endif
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return g_test_run ();
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}
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