gtk2/testsuite/gtk/noselection.c
2022-07-15 15:46:06 -04:00

554 lines
15 KiB
C

/*
* Copyright (C) 2022, Red Hat, Inc.
* Authors: Matthias Clasen <mclasen@redhat.com>
*
* 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 GQuark selection_quark;
static guint
get (GListModel *model,
guint position)
{
guint number;
GObject *object = g_list_model_get_item (model, position);
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 *
selection_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 (!gtk_selection_model_is_selected (GTK_SELECTION_MODEL (model), i))
continue;
if (string->len > 0)
g_string_append (string, " ");
g_string_append_printf (string, "%u", get (model, i));
}
return g_string_free (string, FALSE);
}
static GListStore *
new_store (guint start,
guint end,
guint step);
static GObject *
make_object (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));
return object;
}
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++)
objects[i] = make_object (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 = make_object (number);
g_list_store_append (store, object);
g_object_unref (object);
}
static void
insert (GListStore *store,
guint position,
guint number)
{
GObject *object = make_object (number);
g_list_store_insert (store, position, 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 ignore_changes(model) G_STMT_START{ \
GString *changes = g_object_get_qdata (G_OBJECT (model), changes_quark); \
g_string_set_size (changes, 0); \
}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
#define assert_selection(model, expected) G_STMT_START{ \
char *s = selection_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_selection_changes(model, expected) G_STMT_START{ \
GString *changes = g_object_get_qdata (G_OBJECT (model), selection_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
#define ignore_selection_changes(model) G_STMT_START{ \
GString *changes = g_object_get_qdata (G_OBJECT (model), selection_quark); \
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
notify_n_items (GObject *object,
GParamSpec *pspec,
GString *changes)
{
g_string_append_c (changes, '*');
}
static void
selection_changed (GListModel *model,
guint position,
guint n_items,
GString *changes)
{
if (changes->len)
g_string_append (changes, ", ");
g_string_append_printf (changes, "%u:%u", position, n_items);
}
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 GtkSelectionModel *
new_model (GListStore *store, gboolean autoselect, gboolean can_unselect)
{
GtkSelectionModel *result;
GString *changes;
result = GTK_SELECTION_MODEL (gtk_no_selection_new (g_object_ref (G_LIST_MODEL (store))));
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, "notify::n-items", G_CALLBACK (notify_n_items), changes);
changes = g_string_new ("");
g_object_set_qdata_full (G_OBJECT(result), selection_quark, changes, free_changes);
g_signal_connect (result, "selection-changed", G_CALLBACK (selection_changed), changes);
return result;
}
static void
test_create (void)
{
GtkSelectionModel *selection;
GListStore *store;
if (glib_check_version (2, 59, 0) != NULL)
{
g_test_skip ("g_list_store_get_item() has overflow issues before GLIB 2.59.0");
return;
}
store = new_store (1, 5, 2);
selection = new_model (store, FALSE, FALSE);
assert_model (selection, "1 3 5");
assert_changes (selection, "");
assert_selection (selection, "");
assert_selection_changes (selection, "");
g_object_unref (store);
assert_model (selection, "1 3 5");
assert_changes (selection, "");
assert_selection (selection, "");
assert_selection_changes (selection, "");
g_object_unref (selection);
}
static void
test_create_empty (void)
{
GtkSingleSelection *selection;
selection = gtk_single_selection_new (NULL);
g_assert_cmpint (g_list_model_get_n_items (G_LIST_MODEL (selection)), ==, 0);
g_object_unref (selection);
}
static void
test_changes (void)
{
GtkSelectionModel *selection;
GListStore *store;
if (glib_check_version (2, 58, 0) != NULL)
{
g_test_skip ("g_list_store_splice() is broken before GLIB 2.58.0");
return;
}
store = new_store (1, 5, 1);
selection = new_model (store, FALSE, FALSE);
assert_model (selection, "1 2 3 4 5");
assert_changes (selection, "");
assert_selection (selection, "");
assert_selection_changes (selection, "");
g_list_store_remove (store, 3);
assert_model (selection, "1 2 3 5");
assert_changes (selection, "-3*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
insert (store, 3, 99);
assert_model (selection, "1 2 3 99 5");
assert_changes (selection, "+3*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
splice (store, 3, 2, (guint[]) { 97 }, 1);
assert_model (selection, "1 2 3 97");
assert_changes (selection, "3-2+1*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
g_object_unref (selection);
g_object_unref (store);
}
static void
test_selection (void)
{
GtkSelectionModel *selection;
GListStore *store;
gboolean ret;
if (glib_check_version (2, 59, 0) != NULL)
{
g_test_skip ("g_list_store_get_item() has overflow issues before GLIB 2.59.0");
return;
}
store = new_store (1, 5, 1);
selection = new_model (store, TRUE, FALSE);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_select_item (selection, 3, FALSE);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_unselect_item (selection, 3);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_select_item (selection, 1, FALSE);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_select_range (selection, 3, 2, FALSE);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_unselect_range (selection, 4, 2);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_select_all (selection);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
ret = gtk_selection_model_unselect_all (selection);
g_assert_false (ret);
assert_selection (selection, "");
assert_selection_changes (selection, "");
g_object_unref (store);
g_object_unref (selection);
}
static void
check_get_selection (GtkSelectionModel *selection)
{
GtkBitset *set;
guint i, n_items;
set = gtk_selection_model_get_selection (selection);
n_items = g_list_model_get_n_items (G_LIST_MODEL (selection));
if (n_items == 0)
{
g_assert_true (gtk_bitset_is_empty (set));
}
else
{
for (i = 0; i < n_items; i++)
{
g_assert_cmpint (gtk_bitset_contains (set, i), ==, gtk_selection_model_is_selected (selection, i));
}
/* check that out-of-range has no bits set */
g_assert_cmpint (gtk_bitset_get_maximum (set), <, g_list_model_get_n_items (G_LIST_MODEL (selection)));
}
gtk_bitset_unref (set);
}
static void
test_query_range (void)
{
GtkSelectionModel *selection;
GListStore *store;
store = new_store (1, 5, 1);
selection = new_model (store, TRUE, TRUE);
check_get_selection (selection);
gtk_selection_model_unselect_item (selection, 0);
check_get_selection (selection);
gtk_selection_model_select_item (selection, 2, TRUE);
check_get_selection (selection);
gtk_selection_model_select_item (selection, 4, TRUE);
check_get_selection (selection);
ignore_selection_changes (selection);
g_object_unref (store);
g_object_unref (selection);
}
static void
test_set_model (void)
{
GtkSelectionModel *selection;
GListStore *store;
GListModel *m1, *m2;
store = new_store (1, 5, 1);
m1 = G_LIST_MODEL (store);
m2 = G_LIST_MODEL (gtk_slice_list_model_new (g_object_ref (m1), 0, 3));
selection = new_model (store, TRUE, TRUE);
assert_selection (selection, "");
assert_selection_changes (selection, "");
/* we retain the selected item across model changes */
gtk_no_selection_set_model (GTK_NO_SELECTION (selection), m2);
assert_changes (selection, "0-5+3*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
gtk_no_selection_set_model (GTK_NO_SELECTION (selection), m1);
assert_changes (selection, "0-3+5*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
gtk_no_selection_set_model (GTK_NO_SELECTION (selection), m2);
assert_changes (selection, "0-5+3*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
/* we retain no selected item across model changes */
gtk_no_selection_set_model (GTK_NO_SELECTION (selection), m1);
assert_changes (selection, "0-3+5*");
assert_selection (selection, "");
assert_selection_changes (selection, "");
gtk_no_selection_set_model (GTK_NO_SELECTION (selection), m1);
assert_changes (selection, "");
assert_selection (selection, "");
assert_selection_changes (selection, "");
g_object_unref (m2);
g_object_unref (m1);
g_object_unref (selection);
}
static void
test_empty (void)
{
GtkNoSelection *selection;
GListStore *store;
selection = gtk_no_selection_new (NULL);
g_assert_cmpuint (g_list_model_get_n_items (G_LIST_MODEL (selection)), ==, 0);
g_assert_null (g_list_model_get_item (G_LIST_MODEL (selection), 11));
g_assert_true (g_list_model_get_item_type (G_LIST_MODEL (selection)) == G_TYPE_OBJECT);
g_assert_null (gtk_no_selection_get_model (GTK_NO_SELECTION (selection)));
store = g_list_store_new (G_TYPE_OBJECT);
gtk_no_selection_set_model (selection, G_LIST_MODEL (store));
g_object_unref (store);
g_assert_cmpuint (g_list_model_get_n_items (G_LIST_MODEL (selection)), ==, 0);
g_assert_null (g_list_model_get_item (G_LIST_MODEL (selection), 11));
g_object_unref (selection);
}
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?");
selection_quark = g_quark_from_static_string ("Mana mana, badibidibi");
g_test_add_func ("/noselection/create", test_create);
g_test_add_func ("/noselection/create-empty", test_create_empty);
g_test_add_func ("/noselection/selection", test_selection);
g_test_add_func ("/noselection/query-range", test_query_range);
g_test_add_func ("/noselection/changes", test_changes);
g_test_add_func ("/noselection/set-model", test_set_model);
g_test_add_func ("/noselection/empty", test_empty);
return g_test_run ();
}