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gtk2/testsuite/gtk/notify.c
Emmanuele Bassi 82664003c0 a11y: Allow setting the role post-construction 
Some widgets have different roles after they are constructed, so we need
to allow changing the role defined by the class. We should still avoid
setting a role after the GtkATContext has been created.
2020-07-26 21:27:03 +01:00

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/* Gtk+ property notify tests
* Copyright (C) 2014 Matthias Clasen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gtk/gtkunixprint.h>
#ifdef GDK_WINDOWING_WAYLAND
#include "gdk/wayland/gdkwayland.h"
#endif
static void
assert_notifies (GObject *object,
const char *property,
guint counted,
guint expected)
{
if (expected == counted)
return;
g_test_message ("ERROR: While testing %s::%s: %u notify emissions expected, but got %u",
G_OBJECT_TYPE_NAME (object), property,
expected, counted);
g_test_fail ();
}
typedef struct
{
const char *name;
int count;
} NotifyData;
static void
count_notify (GObject *obj, GParamSpec *pspec, NotifyData *data)
{
if (g_strcmp0 (data->name, pspec->name) == 0)
data->count++;
}
/* Check that we get notifications when properties change.
* Also check that we don't emit redundant notifications for
* enum, flags, booleans, ints. We allow redundant notifications
* for strings, and floats
*/
static void
check_property (GObject *instance, GParamSpec *pspec)
{
g_test_message ("Checking %s:%s", G_OBJECT_TYPE_NAME (instance), pspec->name);
if (G_TYPE_IS_ENUM (pspec->value_type))
{
GEnumClass *class;
int i;
NotifyData data;
gulong id;
int first;
int value;
int current_count;
class = g_type_class_ref (pspec->value_type);
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
g_object_get (instance, pspec->name, &value, NULL);
g_object_set (instance, pspec->name, value, NULL);
assert_notifies (instance, pspec->name, data.count, 0);
if (class->values[0].value == value)
first = 1;
else
first = 0;
for (i = first; i < class->n_values; i++)
{
current_count = data.count + 1;
g_object_set (instance, pspec->name, class->values[i].value, NULL);
assert_notifies (instance, pspec->name, data.count, current_count);
if (current_count == 10) /* just test a few */
break;
}
g_signal_handler_disconnect (instance, id);
g_type_class_unref (class);
}
else if (G_TYPE_IS_FLAGS (pspec->value_type))
{
GFlagsClass *class;
int i;
NotifyData data;
gulong id;
guint value;
int current_count;
class = g_type_class_ref (pspec->value_type);
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
g_object_get (instance, pspec->name, &value, NULL);
g_object_set (instance, pspec->name, value, NULL);
assert_notifies (instance, pspec->name, data.count, 0);
for (i = 0; i < class->n_values; i++)
{
/* some flags have a 'none' member, skip it */
if (class->values[i].value == 0)
continue;
if ((value & class->values[i].value) != 0)
continue;
value |= class->values[i].value;
current_count = data.count + 1;
g_object_set (instance, pspec->name, value, NULL);
assert_notifies (instance, pspec->name, data.count, current_count);
if (current_count == 10) /* just test a few */
break;
}
g_signal_handler_disconnect (instance, id);
g_type_class_unref (class);
}
else if (pspec->value_type == G_TYPE_BOOLEAN)
{
NotifyData data;
gboolean value;
gulong id;
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
g_object_get (instance, pspec->name, &value, NULL);
g_object_set (instance, pspec->name, value, NULL);
assert_notifies (instance, pspec->name, data.count, 0);
g_object_set (instance, pspec->name, 1 - value, NULL);
assert_notifies (instance, pspec->name, data.count, 1);
g_signal_handler_disconnect (instance, id);
}
else if (pspec->value_type == G_TYPE_INT)
{
GParamSpecInt *p = G_PARAM_SPEC_INT (pspec);
int i;
NotifyData data;
gulong id;
int value;
int current_count;
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
g_object_get (instance, pspec->name, &value, NULL);
g_object_set (instance, pspec->name, value, NULL);
assert_notifies (instance, pspec->name, data.count, 0);
for (i = p->minimum; i <= p->maximum; i++)
{
g_object_get (instance, pspec->name, &value, NULL);
if (value == i)
continue;
current_count = data.count + 1;
g_object_set (instance, pspec->name, i, NULL);
assert_notifies (instance, pspec->name, data.count, current_count);
if (current_count == 10) /* just test a few */
break;
}
g_signal_handler_disconnect (instance, id);
}
else if (pspec->value_type == G_TYPE_UINT)
{
guint i;
NotifyData data;
gulong id;
guint value;
int current_count;
guint minimum, maximum;
if (G_IS_PARAM_SPEC_UINT (pspec))
{
minimum = G_PARAM_SPEC_UINT (pspec)->minimum;
maximum = G_PARAM_SPEC_UINT (pspec)->maximum;
}
else /* random */
{
minimum = 0;
maximum = 1000;
}
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
g_object_get (instance, pspec->name, &value, NULL);
g_object_set (instance, pspec->name, value, NULL);
assert_notifies (instance, pspec->name, data.count, 0);
for (i = minimum; i <= maximum; i++)
{
g_object_get (instance, pspec->name, &value, NULL);
if (value == i)
continue;
current_count = data.count + 1;
g_object_set (instance, pspec->name, i, NULL);
assert_notifies (instance, pspec->name, data.count, current_count);
if (current_count == 10) /* just test a few */
break;
}
g_signal_handler_disconnect (instance, id);
}
else if (pspec->value_type == G_TYPE_STRING)
{
NotifyData data;
gulong id;
char *value;
char *new_value;
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
g_object_get (instance, pspec->name, &value, NULL);
/* don't check redundant notifications */
new_value = g_strconcat ("(", value, ".", value, ")", NULL);
g_object_set (instance, pspec->name, new_value, NULL);
assert_notifies (instance, pspec->name, data.count, 1);
g_free (value);
g_free (new_value);
g_signal_handler_disconnect (instance, id);
}
else if (pspec->value_type == G_TYPE_DOUBLE)
{
GParamSpecDouble *p = G_PARAM_SPEC_DOUBLE (pspec);
guint i;
NotifyData data;
gulong id;
double value;
double new_value;
int current_count;
double delta;
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
/* don't check redundant notifications */
g_object_get (instance, pspec->name, &value, NULL);
if (p->maximum > 100 || p->minimum < -100)
delta = M_PI;
else
delta = (p->maximum - p->minimum) / 10.0;
new_value = p->minimum;
for (i = 0; i < 10; i++)
{
new_value += delta;
if (fabs (value - new_value) < p->epsilon)
continue;
if (new_value > p->maximum)
break;
current_count = data.count + 1;
g_object_set (instance, pspec->name, new_value, NULL);
assert_notifies (instance, pspec->name, data.count, current_count);
}
g_signal_handler_disconnect (instance, id);
}
else if (pspec->value_type == G_TYPE_FLOAT)
{
GParamSpecFloat *p = G_PARAM_SPEC_FLOAT (pspec);
guint i;
NotifyData data;
gulong id;
float value;
float new_value;
int current_count;
data.name = pspec->name;
data.count = 0;
id = g_signal_connect (instance, "notify", G_CALLBACK (count_notify), &data);
/* don't check redundant notifications */
g_object_get (instance, pspec->name, &value, NULL);
new_value = p->minimum;
for (i = 0; i < 10; i++)
{
if (fabs (value - new_value) < p->epsilon)
continue;
current_count = data.count + 1;
new_value += (p->maximum - p->minimum) / 10.0;
if (new_value > p->maximum)
break;
g_object_set (instance, pspec->name, new_value, NULL);
assert_notifies (instance, pspec->name, data.count, current_count);
}
g_signal_handler_disconnect (instance, id);
}
else
{
if (g_test_verbose ())
g_print ("Skipping property %s.%s of type %s\n", g_type_name (pspec->owner_type), pspec->name, g_type_name (pspec->value_type));
}
}
static void
test_type (gconstpointer data)
{
GObjectClass *klass;
GObject *instance;
GParamSpec **pspecs;
guint n_pspecs, i;
GType type;
GdkDisplay *display;
type = * (GType *) data;
display = gdk_display_get_default ();
if (!G_TYPE_IS_CLASSED (type))
return;
if (G_TYPE_IS_ABSTRACT (type))
return;
if (!g_type_is_a (type, G_TYPE_OBJECT))
return;
/* non-GTK+ */
if (g_str_equal (g_type_name (type), "GdkPixbufSimpleAnim"))
return;
/* Deprecated, not getting fixed */
if (g_str_equal (g_type_name (type), "GtkColorSelection") ||
g_str_equal (g_type_name (type), "GtkNumerableIcon"))
return;
/* These can't be freely constructed/destroyed */
if (g_type_is_a (type, GTK_TYPE_APPLICATION) ||
g_type_is_a (type, GDK_TYPE_PIXBUF_LOADER) ||
g_type_is_a (type, GTK_TYPE_LAYOUT_CHILD) ||
#ifdef G_OS_UNIX
g_type_is_a (type, GTK_TYPE_PRINT_JOB) ||
#endif
g_type_is_a (type, gdk_pixbuf_simple_anim_iter_get_type ()) ||
g_str_equal (g_type_name (type), "GdkX11DeviceManagerXI2") ||
g_str_equal (g_type_name (type), "GdkX11DeviceManagerCore") ||
g_str_equal (g_type_name (type), "GdkX11Display") ||
g_str_equal (g_type_name (type), "GdkX11Screen") ||
g_str_equal (g_type_name (type), "GdkX11GLContext"))
return;
/* This throws a critical when the connection is dropped */
if (g_type_is_a (type, GTK_TYPE_APP_CHOOSER_DIALOG))
return;
/* These leak their GDBusConnections */
if (g_type_is_a (type, GTK_TYPE_FILE_CHOOSER_BUTTON) ||
g_type_is_a (type, GTK_TYPE_FILE_CHOOSER_DIALOG) ||
g_type_is_a (type, GTK_TYPE_FILE_CHOOSER_WIDGET) ||
g_type_is_a (type, GTK_TYPE_FILE_CHOOSER_NATIVE))
return;
if (g_str_equal (g_type_name (type), "GtkPlacesSidebar"))
return;
/* These rely on a d-bus session bus */
if (g_type_is_a (type, GTK_TYPE_MOUNT_OPERATION))
return;
/* Needs a special surface */
if (g_type_is_a (type, GTK_TYPE_DRAG_ICON))
return;
/* these assert in constructed */
if (g_type_is_a (type, GTK_TYPE_ALTERNATIVE_TRIGGER) ||
g_type_is_a (type, GTK_TYPE_SIGNAL_ACTION) ||
g_type_is_a (type, GTK_TYPE_NAMED_ACTION))
return;
klass = g_type_class_ref (type);
if (g_type_is_a (type, GTK_TYPE_SETTINGS))
instance = G_OBJECT (g_object_ref (gtk_settings_get_default ()));
else if (g_type_is_a (type, GDK_TYPE_SURFACE))
{
instance = G_OBJECT (g_object_ref (gdk_surface_new_toplevel (display, 100, 100)));
}
else if (g_str_equal (g_type_name (type), "GdkX11Cursor"))
instance = g_object_new (type, "display", display, NULL);
else if (g_str_equal (g_type_name (type), "GdkClipboard"))
instance = g_object_new (type, "display", display, NULL);
else if (g_str_equal (g_type_name (type), "GdkDrag"))
{
GdkContentFormats *formats = gdk_content_formats_new_for_gtype (G_TYPE_STRING);
instance = g_object_new (type,
"device", gdk_seat_get_pointer (gdk_display_get_default_seat (gdk_display_get_default ())),
"formats", formats,
NULL);
gdk_content_formats_unref (formats);
}
else if (g_str_equal (g_type_name (type), "GdkDrop"))
{
GdkContentFormats *formats = gdk_content_formats_new_for_gtype (G_TYPE_STRING);
instance = g_object_new (type,
"device", gdk_seat_get_pointer (gdk_display_get_default_seat (gdk_display_get_default ())),
"formats", formats,
NULL);
gdk_content_formats_unref (formats);
}
else if (g_type_is_a (type, GTK_TYPE_FILTER_LIST_MODEL) ||
g_type_is_a (type, GTK_TYPE_NO_SELECTION) ||
g_type_is_a (type, GTK_TYPE_SINGLE_SELECTION) ||
g_type_is_a (type, GTK_TYPE_MULTI_SELECTION))
{
GListStore *list_store = g_list_store_new (G_TYPE_OBJECT);
instance = g_object_new (type,
"model", list_store,
NULL);
g_object_unref (list_store);
}
else if (g_type_is_a (type, GTK_TYPE_CALENDAR))
{
/* avoid day 30 and 31, since they don't exist in February */
instance = g_object_new (type,
"year", 1984,
"month", 10,
"day", 05,
NULL);
}
/* special casing for singletons */
else if (g_type_is_a (type, GTK_TYPE_NEVER_TRIGGER))
instance = (GObject *) g_object_ref (gtk_never_trigger_get ());
else if (g_type_is_a (type, GTK_TYPE_NOTHING_ACTION))
instance = (GObject *) g_object_ref (gtk_nothing_action_get ());
else if (g_type_is_a (type, GTK_TYPE_ACTIVATE_ACTION))
instance = (GObject *) g_object_ref (gtk_activate_action_get ());
else if (g_type_is_a (type, GTK_TYPE_MNEMONIC_ACTION))
instance = (GObject *) g_object_ref (gtk_mnemonic_action_get ());
else
instance = g_object_new (type, NULL);
if (g_type_is_a (type, G_TYPE_INITIALLY_UNOWNED))
g_object_ref_sink (instance);
pspecs = g_object_class_list_properties (klass, &n_pspecs);
for (i = 0; i < n_pspecs; ++i)
{
GParamSpec *pspec = pspecs[i];
if ((pspec->flags & G_PARAM_READABLE) == 0)
continue;
if ((pspec->flags & G_PARAM_WRITABLE) == 0)
continue;
if ((pspec->flags & G_PARAM_CONSTRUCT_ONLY) != 0)
continue;
/* non-GTK+ */
if (g_str_equal (g_type_name (pspec->owner_type), "GdkPixbufSimpleAnim") ||
g_str_equal (g_type_name (pspec->owner_type), "GMountOperation"))
continue;
/* set properties are best skipped */
if (pspec->value_type == G_TYPE_BOOLEAN &&
g_str_has_suffix (pspec->name, "-set"))
continue;
/* These are special */
if (g_type_is_a (pspec->owner_type, GTK_TYPE_WIDGET) &&
(g_str_equal (pspec->name, "has-focus") ||
g_str_equal (pspec->name, "has-default") ||
g_str_equal (pspec->name, "is-focus") ||
g_str_equal (pspec->name, "hexpand") ||
g_str_equal (pspec->name, "vexpand")))
continue;
if (g_type_is_a (type, GTK_TYPE_ACCESSIBLE) &&
g_str_equal (pspec->name, "accessible-role"))
continue;
if (pspec->owner_type == GTK_TYPE_ENTRY &&
g_str_equal (pspec->name, "im-module"))
continue;
if (type == GTK_TYPE_SETTINGS)
continue;
if (g_type_is_a (pspec->owner_type, GTK_TYPE_ENTRY_COMPLETION) &&
g_str_equal (pspec->name, "text-column"))
continue;
if (g_type_is_a (pspec->owner_type, GTK_TYPE_COLOR_CHOOSER) &&
g_str_equal (pspec->name, "show-editor"))
continue;
if (g_type_is_a (pspec->owner_type, GTK_TYPE_NOTEBOOK) &&
g_str_equal (pspec->name, "page"))
continue;
/* Too many special cases involving -set properties */
if (g_str_equal (g_type_name (pspec->owner_type), "GtkCellRendererText") ||
g_str_equal (g_type_name (pspec->owner_type), "GtkTextTag"))
continue;
/* Most things assume a model is set */
if (g_str_equal (g_type_name (pspec->owner_type), "GtkComboBox"))
continue;
/* Can only be set on unmapped windows */
if (pspec->owner_type == GTK_TYPE_WINDOW &&
g_str_equal (pspec->name, "type-hint"))
continue;
/* Special restrictions on allowed values */
if (pspec->owner_type == GTK_TYPE_COMBO_BOX &&
(g_str_equal (pspec->name, "id-column") ||
g_str_equal (pspec->name, "active-id") ||
g_str_equal (pspec->name, "entry-text-column")))
continue;
if (pspec->owner_type == GTK_TYPE_ENTRY_COMPLETION &&
g_str_equal (pspec->name, "text-column"))
continue;
if (pspec->owner_type == GTK_TYPE_PRINT_OPERATION &&
(g_str_equal (pspec->name, "current-page") ||
g_str_equal (pspec->name, "n-pages")))
continue;
if (pspec->owner_type == GTK_TYPE_RANGE &&
g_str_equal (pspec->name, "fill-level"))
continue;
if (pspec->owner_type == GTK_TYPE_SPIN_BUTTON &&
g_str_equal (pspec->name, "value"))
continue;
if (pspec->owner_type == GTK_TYPE_STACK &&
g_str_equal (pspec->name, "visible-child-name"))
continue;
if (pspec->owner_type == GTK_TYPE_STACK_PAGE && /* Can't change position without a stack */
g_str_equal (pspec->name, "position"))
continue;
/* Can't realize a popover without a parent */
if (g_type_is_a (type, GTK_TYPE_POPOVER) &&
g_str_equal (pspec->name, "visible"))
continue;
if (pspec->owner_type == GTK_TYPE_POPOVER_MENU &&
g_str_equal (pspec->name, "visible-submenu"))
continue;
if (pspec->owner_type == GTK_TYPE_TEXT_VIEW &&
g_str_equal (pspec->name, "im-module"))
continue;
if (pspec->owner_type == GTK_TYPE_TREE_SELECTION &&
g_str_equal (pspec->name, "mode")) /* requires a treeview */
continue;
if (pspec->owner_type == GTK_TYPE_TREE_VIEW &&
g_str_equal (pspec->name, "headers-clickable")) /* requires columns */
continue;
/* This one has a special-purpose default value */
if (g_type_is_a (type, GTK_TYPE_DIALOG) &&
g_str_equal (pspec->name, "use-header-bar"))
continue;
if (g_type_is_a (type, GTK_TYPE_ASSISTANT) &&
g_str_equal (pspec->name, "use-header-bar"))
continue;
if (g_type_is_a (type, GTK_TYPE_SHORTCUTS_SHORTCUT) &&
g_str_equal (pspec->name, "accelerator"))
continue;
if (g_type_is_a (type, GTK_TYPE_SHORTCUT_LABEL) &&
g_str_equal (pspec->name, "accelerator"))
continue;
if (g_type_is_a (type, GTK_TYPE_FONT_CHOOSER) &&
g_str_equal (pspec->name, "font"))
continue;
/* these depend on the min-content- properties in a way that breaks our test */
if (g_type_is_a (type, GTK_TYPE_SCROLLED_WINDOW) &&
(g_str_equal (pspec->name, "max-content-width") ||
g_str_equal (pspec->name, "max-content-height")))
continue;
/* expanding only works if rows are expandable */
if (g_type_is_a (type, GTK_TYPE_TREE_LIST_ROW) &&
g_str_equal (pspec->name, "expanded"))
continue;
/* can't select items without an underlying, populated model */
if (g_type_is_a (type, GTK_TYPE_SINGLE_SELECTION) &&
(g_str_equal (pspec->name, "selected") ||
g_str_equal (pspec->name, "selected-item")))
continue;
/* can't select items without an underlying, populated model */
if (g_type_is_a (type, GTK_TYPE_DROP_DOWN) &&
g_str_equal (pspec->name, "selected"))
continue;
/* can't set position without a notebook */
if (g_type_is_a (type, GTK_TYPE_NOTEBOOK_PAGE) &&
g_str_equal (pspec->name, "position"))
continue;
if (g_test_verbose ())
g_print ("Property %s.%s\n", g_type_name (pspec->owner_type), pspec->name);
check_property (instance, pspec);
}
g_free (pspecs);
if (g_type_is_a (type, GDK_TYPE_SURFACE))
gdk_surface_destroy (GDK_SURFACE (instance));
else
g_object_unref (instance);
g_type_class_unref (klass);
}
int
main (int argc, char **argv)
{
const GType *otypes;
guint i;
int result;
gtk_test_init (&argc, &argv);
gtk_test_register_all_types();
otypes = gtk_test_list_all_types (NULL);
for (i = 0; otypes[i]; i++)
{
char *testname;
testname = g_strdup_printf ("/Notification/%s", g_type_name (otypes[i]));
g_test_add_data_func (testname, &otypes[i], test_type);
g_free (testname);
}
result = g_test_run ();
return result;
}
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