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#include <dazzle.h>
#include <string.h>
#define TEST_TYPE_ITEM (test_item_get_type())
struct _TestItem
{
GObject p;
guint n;
};
G_DECLARE_FINAL_TYPE (TestItem, test_item, TEST, ITEM, GObject)
G_DEFINE_TYPE (TestItem, test_item, G_TYPE_OBJECT)
static void
test_item_class_init (TestItemClass *klass)
{
}
static void
test_item_init (TestItem *self)
{
}
static TestItem *
test_item_new (guint n)
{
TestItem *item;
item = g_object_new (TEST_TYPE_ITEM, NULL);
item->n = n;
return item;
}
static gboolean
filter_func1 (GObject *object,
gpointer user_data)
{
return (TEST_ITEM (object)->n & 1) == 0;
}
static gboolean
filter_func2 (GObject *object,
gpointer user_data)
{
return (TEST_ITEM (object)->n & 1) == 1;
}
static void
test_basic (void)
{
GListStore *model;
DzlListModelFilter *filter;
TestItem *item;
guint i;
model = g_list_store_new (TEST_TYPE_ITEM);
g_assert (model);
filter = dzl_list_model_filter_new (G_LIST_MODEL (model));
g_assert (filter);
/* Test requesting past boundary */
g_assert_null (g_list_model_get_item (G_LIST_MODEL (filter), 0));
g_assert_null (g_list_model_get_item (G_LIST_MODEL (filter), 1));
for (i = 0; i < 1000; i++)
{
g_autoptr(TestItem) val = test_item_new (i);
g_list_store_append (model, val);
}
/* Test requesting past boundary */
g_assert_null (g_list_model_get_item (G_LIST_MODEL (filter), 1000));
g_assert_cmpint (1000, ==, g_list_model_get_n_items (G_LIST_MODEL (model)));
g_assert_cmpint (1000, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
g_assert_cmpint (1000, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
dzl_list_model_filter_set_filter_func (filter, filter_func1, NULL, NULL);
g_assert_cmpint (500, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
for (i = 0; i < 500; i++)
{
g_autoptr(TestItem) ele = g_list_model_get_item (G_LIST_MODEL (filter), i);
g_assert_nonnull (ele);
g_assert (TEST_IS_ITEM (ele));
g_assert (filter_func1 (G_OBJECT (ele), NULL));
}
for (i = 0; i < 1000; i += 2)
g_list_store_remove (model, 998 - i);
g_assert_cmpint (500, ==, g_list_model_get_n_items (G_LIST_MODEL (model)));
g_assert_cmpint (0, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
dzl_list_model_filter_set_filter_func (filter, NULL, NULL, NULL);
g_assert_cmpint (500, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
dzl_list_model_filter_set_filter_func (filter, filter_func2, NULL, NULL);
g_assert_cmpint (500, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
{
g_autoptr(TestItem) freeme = test_item_new (1001);
g_list_store_append (model, freeme);
}
for (i = 0; i < 500; i++)
g_list_store_remove (model, 0);
g_assert_cmpint (1, ==, g_list_model_get_n_items (G_LIST_MODEL (model)));
g_assert_cmpint (1, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
dzl_list_model_filter_set_filter_func (filter, NULL, NULL, NULL);
g_assert_cmpint (1, ==, g_list_model_get_n_items (G_LIST_MODEL (model)));
g_assert_cmpint (1, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
item = g_list_model_get_item (G_LIST_MODEL (filter), 0);
g_assert (item);
g_assert (TEST_IS_ITEM (item));
g_assert_cmpint (item->n, ==, 1001);
g_clear_object (&item);
g_clear_object (&model);
g_clear_object (&filter);
}
static guint last_n_added = 0;
static guint last_n_removed = 0;
static guint last_changed_position = 0;
static void
model_items_changed_cb (DzlListModelFilter *filter,
guint position,
guint n_removed,
guint n_added,
GListModel *model)
{
last_n_added = n_added;
last_n_removed = n_removed;
last_changed_position = position;
}
static void
filter_items_changed_cb (DzlListModelFilter *filter,
guint position,
guint n_removed,
guint n_added,
GListModel *model)
{
g_assert_cmpint (n_added, ==, last_n_added);
g_assert_cmpint (n_removed, ==, last_n_removed);
g_assert_cmpint (position, ==, last_changed_position);
}
static void
test_items_changed (void)
{
DzlListModelFilter *filter;
GListStore *model;
guint i;
model = g_list_store_new (TEST_TYPE_ITEM);
g_assert (model);
g_signal_connect (model, "items-changed", G_CALLBACK (model_items_changed_cb), NULL);
filter = dzl_list_model_filter_new (G_LIST_MODEL (model));
g_assert (filter);
g_signal_connect_after (filter, "items-changed", G_CALLBACK (filter_items_changed_cb), model);
/* The filter model is not filtered, so it must mirror whatever
* the child model does. In this case, test if the position of
* items-changed match.
*/
for (i = 0; i < 100; i++)
{
g_autoptr (TestItem) val = test_item_new (i);
g_list_store_append (model, val);
}
g_assert_cmpint (100, ==, g_list_model_get_n_items (G_LIST_MODEL (model)));
g_assert_cmpint (100, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
for (i = 0; i < 100; i++)
g_list_store_remove (model, 0);
g_clear_object (&model);
g_clear_object (&filter);
}
static guint items_to_remove = 0;
static gboolean items_changed_emitted = FALSE;
static void
filter_items_removed_cb (DzlListModelFilter *filter,
guint position,
guint n_removed,
guint n_added,
GListModel *model)
{
items_changed_emitted = TRUE;
g_assert_cmpint (n_removed, ==, items_to_remove);
}
static void
test_remove_all (void)
{
DzlListModelFilter *filter;
GListStore *model;
guint i;
model = g_list_store_new (TEST_TYPE_ITEM);
g_assert (model);
filter = dzl_list_model_filter_new (G_LIST_MODEL (model));
g_assert (filter);
/* The filter model is not filtered, so it must mirror whatever
* the child model does. In this case, test if the position of
* items-changed match.
*/
for (i = 0; i < 100; i++)
{
g_autoptr (TestItem) val = test_item_new (i);
g_list_store_append (model, val);
items_to_remove++;
}
g_assert_cmpint (100, ==, g_list_model_get_n_items (G_LIST_MODEL (model)));
g_assert_cmpint (100, ==, g_list_model_get_n_items (G_LIST_MODEL (filter)));
g_signal_connect_after (filter, "items-changed", G_CALLBACK (filter_items_removed_cb), model);
g_list_store_remove_all (model);
g_assert_true (items_changed_emitted);
g_clear_object (&model);
g_clear_object (&filter);
}
gint
main (gint argc,
gchar *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/Dazzle/ListModelFilter/basic", test_basic);
g_test_add_func ("/Dazzle/ListModelFilter/items-changed", test_items_changed);
g_test_add_func ("/Dazzle/ListModelFilter/remove-all", test_remove_all);
return g_test_run ();
}
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