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855326b5bf9ceb0de43599d8faa57d428faad70a
glib/gobject/tests/binding.c
Michael Catanzaro 0ffe86a1f7 Replace most GObject warnings with criticals 
All of these warnings indicate programmer error, so critical is most
appropriate here.

Exceptions: deprecation warnings are just warnings. Also, warnings that
are worded with uncertainty can remain warnings rather than criticals.
2022-08-09 13:18:47 -05:00

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35 KiB
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#include <stdlib.h>
#include <gstdio.h>
#include <glib-object.h>
#define assert_cmpsource(binding, op, expected_source) G_STMT_START { \
GObject *tmp, *tmp2; \
tmp = g_binding_dup_source ((binding)); \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
tmp2 = g_binding_get_source ((binding)); \
G_GNUC_END_IGNORE_DEPRECATIONS \
g_assert_nonnull (tmp); \
g_assert_true ((gpointer) tmp op (gpointer) (expected_source)); \
g_assert_true (tmp == tmp2); \
g_object_unref (tmp); \
} G_STMT_END
#define assert_cmptarget(binding, op, expected_target) G_STMT_START { \
GObject *tmp, *tmp2; \
tmp = g_binding_dup_target ((binding)); \
G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
tmp2 = g_binding_get_target ((binding)); \
G_GNUC_END_IGNORE_DEPRECATIONS \
g_assert_nonnull (tmp); \
g_assert_true ((gpointer) tmp op (gpointer) (expected_target)); \
g_assert_true (tmp == tmp2); \
g_object_unref (tmp); \
} G_STMT_END
typedef struct {
GTypeInterface g_iface;
} FooInterface;
GType foo_get_type (void);
G_DEFINE_INTERFACE (Foo, foo, G_TYPE_OBJECT)
static void
foo_default_init (FooInterface *iface)
{
}
typedef struct {
GObject parent;
} Baa;
typedef struct {
GObjectClass parent_class;
} BaaClass;
static void
baa_init_foo (FooInterface *iface)
{
}
GType baa_get_type (void);
G_DEFINE_TYPE_WITH_CODE (Baa, baa, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (foo_get_type (), baa_init_foo))
static void
baa_init (Baa *baa)
{
}
static void
baa_class_init (BaaClass *class)
{
}
typedef struct _BindingSource
{
GObject parent_instance;
gint foo;
gint bar;
gdouble double_value;
gboolean toggle;
gpointer item;
} BindingSource;
typedef struct _BindingSourceClass
{
GObjectClass parent_class;
} BindingSourceClass;
enum
{
PROP_SOURCE_0,
PROP_SOURCE_FOO,
PROP_SOURCE_BAR,
PROP_SOURCE_DOUBLE_VALUE,
PROP_SOURCE_TOGGLE,
PROP_SOURCE_OBJECT
};
static GType binding_source_get_type (void);
G_DEFINE_TYPE (BindingSource, binding_source, G_TYPE_OBJECT)
static void
binding_source_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
BindingSource *source = (BindingSource *) gobject;
switch (prop_id)
{
case PROP_SOURCE_FOO:
source->foo = g_value_get_int (value);
break;
case PROP_SOURCE_BAR:
source->bar = g_value_get_int (value);
break;
case PROP_SOURCE_DOUBLE_VALUE:
source->double_value = g_value_get_double (value);
break;
case PROP_SOURCE_TOGGLE:
source->toggle = g_value_get_boolean (value);
break;
case PROP_SOURCE_OBJECT:
source->item = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
}
}
static void
binding_source_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
BindingSource *source = (BindingSource *) gobject;
switch (prop_id)
{
case PROP_SOURCE_FOO:
g_value_set_int (value, source->foo);
break;
case PROP_SOURCE_BAR:
g_value_set_int (value, source->bar);
break;
case PROP_SOURCE_DOUBLE_VALUE:
g_value_set_double (value, source->double_value);
break;
case PROP_SOURCE_TOGGLE:
g_value_set_boolean (value, source->toggle);
break;
case PROP_SOURCE_OBJECT:
g_value_set_object (value, source->item);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
}
}
static void
binding_source_class_init (BindingSourceClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = binding_source_set_property;
gobject_class->get_property = binding_source_get_property;
g_object_class_install_property (gobject_class, PROP_SOURCE_FOO,
g_param_spec_int ("foo", "Foo", "Foo",
-1, 100,
0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_SOURCE_BAR,
g_param_spec_int ("bar", "Bar", "Bar",
-1, 100,
0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_SOURCE_DOUBLE_VALUE,
g_param_spec_double ("double-value", "Value", "Value",
-100.0, 200.0,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_SOURCE_TOGGLE,
g_param_spec_boolean ("toggle", "Toggle", "Toggle",
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_SOURCE_OBJECT,
g_param_spec_object ("object", "Object", "Object",
G_TYPE_OBJECT,
G_PARAM_READWRITE));
}
static void
binding_source_init (BindingSource *self)
{
}
typedef struct _BindingTarget
{
GObject parent_instance;
gint bar;
gdouble double_value;
gboolean toggle;
gpointer foo;
} BindingTarget;
typedef struct _BindingTargetClass
{
GObjectClass parent_class;
} BindingTargetClass;
enum
{
PROP_TARGET_0,
PROP_TARGET_BAR,
PROP_TARGET_DOUBLE_VALUE,
PROP_TARGET_TOGGLE,
PROP_TARGET_FOO
};
static GType binding_target_get_type (void);
G_DEFINE_TYPE (BindingTarget, binding_target, G_TYPE_OBJECT)
static void
binding_target_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
BindingTarget *target = (BindingTarget *) gobject;
switch (prop_id)
{
case PROP_TARGET_BAR:
target->bar = g_value_get_int (value);
break;
case PROP_TARGET_DOUBLE_VALUE:
target->double_value = g_value_get_double (value);
break;
case PROP_TARGET_TOGGLE:
target->toggle = g_value_get_boolean (value);
break;
case PROP_TARGET_FOO:
target->foo = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
}
}
static void
binding_target_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
BindingTarget *target = (BindingTarget *) gobject;
switch (prop_id)
{
case PROP_TARGET_BAR:
g_value_set_int (value, target->bar);
break;
case PROP_TARGET_DOUBLE_VALUE:
g_value_set_double (value, target->double_value);
break;
case PROP_TARGET_TOGGLE:
g_value_set_boolean (value, target->toggle);
break;
case PROP_TARGET_FOO:
g_value_set_object (value, target->foo);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
}
}
static void
binding_target_class_init (BindingTargetClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = binding_target_set_property;
gobject_class->get_property = binding_target_get_property;
g_object_class_install_property (gobject_class, PROP_TARGET_BAR,
g_param_spec_int ("bar", "Bar", "Bar",
-1, 100,
0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_TARGET_DOUBLE_VALUE,
g_param_spec_double ("double-value", "Value", "Value",
-100.0, 200.0,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_TARGET_TOGGLE,
g_param_spec_boolean ("toggle", "Toggle", "Toggle",
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_TARGET_FOO,
g_param_spec_object ("foo", "Foo", "Foo",
foo_get_type (),
G_PARAM_READWRITE));
}
static void
binding_target_init (BindingTarget *self)
{
}
static gboolean
celsius_to_fahrenheit (GBinding *binding,
const GValue *from_value,
GValue *to_value,
gpointer user_data G_GNUC_UNUSED)
{
gdouble celsius, fahrenheit;
g_assert_true (G_VALUE_HOLDS (from_value, G_TYPE_DOUBLE));
g_assert_true (G_VALUE_HOLDS (to_value, G_TYPE_DOUBLE));
celsius = g_value_get_double (from_value);
fahrenheit = (9 * celsius / 5) + 32.0;
if (g_test_verbose ())
g_printerr ("Converting %.2fC to %.2fF\n", celsius, fahrenheit);
g_value_set_double (to_value, fahrenheit);
return TRUE;
}
static gboolean
fahrenheit_to_celsius (GBinding *binding,
const GValue *from_value,
GValue *to_value,
gpointer user_data G_GNUC_UNUSED)
{
gdouble celsius, fahrenheit;
g_assert_true (G_VALUE_HOLDS (from_value, G_TYPE_DOUBLE));
g_assert_true (G_VALUE_HOLDS (to_value, G_TYPE_DOUBLE));
fahrenheit = g_value_get_double (from_value);
celsius = 5 * (fahrenheit - 32.0) / 9;
if (g_test_verbose ())
g_printerr ("Converting %.2fF to %.2fC\n", fahrenheit, celsius);
g_value_set_double (to_value, celsius);
return TRUE;
}
static void
binding_default (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
assert_cmpsource (binding, ==, source);
assert_cmptarget (binding, ==, target);
g_assert_cmpstr (g_binding_get_source_property (binding), ==, "foo");
g_assert_cmpstr (g_binding_get_target_property (binding), ==, "bar");
g_assert_cmpint (g_binding_get_flags (binding), ==, G_BINDING_DEFAULT);
g_object_set (source, "foo", 42, NULL);
g_assert_cmpint (source->foo, ==, target->bar);
g_object_set (target, "bar", 47, NULL);
g_assert_cmpint (source->foo, !=, target->bar);
g_object_unref (binding);
g_object_set (source, "foo", 0, NULL);
g_assert_cmpint (source->foo, !=, target->bar);
g_object_unref (source);
g_object_unref (target);
g_assert_null (binding);
}
static void
binding_canonicalisation (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
g_test_summary ("Test that bindings set up with non-canonical property names work");
binding = g_object_bind_property (source, "double_value",
target, "double_value",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
assert_cmpsource (binding, ==, source);
assert_cmptarget (binding, ==, target);
g_assert_cmpstr (g_binding_get_source_property (binding), ==, "double-value");
g_assert_cmpstr (g_binding_get_target_property (binding), ==, "double-value");
g_assert_cmpint (g_binding_get_flags (binding), ==, G_BINDING_DEFAULT);
g_object_set (source, "double-value", 24.0, NULL);
g_assert_cmpfloat (target->double_value, ==, source->double_value);
g_object_set (target, "double-value", 69.0, NULL);
g_assert_cmpfloat (source->double_value, !=, target->double_value);
g_object_unref (target);
g_object_unref (source);
g_assert_null (binding);
}
static void
binding_bidirectional (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_BIDIRECTIONAL);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_object_set (source, "foo", 42, NULL);
g_assert_cmpint (source->foo, ==, target->bar);
g_object_set (target, "bar", 47, NULL);
g_assert_cmpint (source->foo, ==, target->bar);
g_object_unref (binding);
g_object_set (source, "foo", 0, NULL);
g_assert_cmpint (source->foo, !=, target->bar);
g_object_unref (source);
g_object_unref (target);
g_assert_null (binding);
}
static void
data_free (gpointer data)
{
gboolean *b = data;
*b = TRUE;
}
static void
binding_transform_default (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
gpointer src, trg;
gchar *src_prop, *trg_prop;
GBindingFlags flags;
binding = g_object_bind_property (source, "foo",
target, "double-value",
G_BINDING_BIDIRECTIONAL);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_object_get (binding,
"source", &src,
"source-property", &src_prop,
"target", &trg,
"target-property", &trg_prop,
"flags", &flags,
NULL);
g_assert_true (src == source);
g_assert_true (trg == target);
g_assert_cmpstr (src_prop, ==, "foo");
g_assert_cmpstr (trg_prop, ==, "double-value");
g_assert_cmpint (flags, ==, G_BINDING_BIDIRECTIONAL);
g_object_unref (src);
g_object_unref (trg);
g_free (src_prop);
g_free (trg_prop);
g_object_set (source, "foo", 24, NULL);
g_assert_cmpfloat (target->double_value, ==, 24.0);
g_object_set (target, "double-value", 69.0, NULL);
g_assert_cmpint (source->foo, ==, 69);
g_object_unref (target);
g_object_unref (source);
g_assert_null (binding);
}
static void
binding_transform (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding G_GNUC_UNUSED;
gboolean unused_data = FALSE;
binding = g_object_bind_property_full (source, "double-value",
target, "double-value",
G_BINDING_BIDIRECTIONAL,
celsius_to_fahrenheit,
fahrenheit_to_celsius,
&unused_data, data_free);
g_object_set (source, "double-value", 24.0, NULL);
g_assert_cmpfloat (target->double_value, ==, ((9 * 24.0 / 5) + 32.0));
g_object_set (target, "double-value", 69.0, NULL);
g_assert_cmpfloat (source->double_value, ==, (5 * (69.0 - 32.0) / 9));
g_object_unref (source);
g_object_unref (target);
g_assert_true (unused_data);
}
static void
binding_transform_closure (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding G_GNUC_UNUSED;
gboolean unused_data_1 = FALSE, unused_data_2 = FALSE;
GClosure *c2f_clos, *f2c_clos;
c2f_clos = g_cclosure_new (G_CALLBACK (celsius_to_fahrenheit), &unused_data_1, (GClosureNotify) data_free);
f2c_clos = g_cclosure_new (G_CALLBACK (fahrenheit_to_celsius), &unused_data_2, (GClosureNotify) data_free);
binding = g_object_bind_property_with_closures (source, "double-value",
target, "double-value",
G_BINDING_BIDIRECTIONAL,
c2f_clos,
f2c_clos);
g_object_set (source, "double-value", 24.0, NULL);
g_assert_cmpfloat (target->double_value, ==, ((9 * 24.0 / 5) + 32.0));
g_object_set (target, "double-value", 69.0, NULL);
g_assert_cmpfloat (source->double_value, ==, (5 * (69.0 - 32.0) / 9));
g_object_unref (source);
g_object_unref (target);
g_assert_true (unused_data_1);
g_assert_true (unused_data_2);
}
static void
binding_chain (void)
{
BindingSource *a = g_object_new (binding_source_get_type (), NULL);
BindingSource *b = g_object_new (binding_source_get_type (), NULL);
BindingSource *c = g_object_new (binding_source_get_type (), NULL);
GBinding *binding_1, *binding_2;
g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=621782");
/* A -> B, B -> C */
binding_1 = g_object_bind_property (a, "foo", b, "foo", G_BINDING_BIDIRECTIONAL);
g_object_add_weak_pointer (G_OBJECT (binding_1), (gpointer *) &binding_1);
binding_2 = g_object_bind_property (b, "foo", c, "foo", G_BINDING_BIDIRECTIONAL);
g_object_add_weak_pointer (G_OBJECT (binding_2), (gpointer *) &binding_2);
/* verify the chain */
g_object_set (a, "foo", 42, NULL);
g_assert_cmpint (a->foo, ==, b->foo);
g_assert_cmpint (b->foo, ==, c->foo);
/* unbind A -> B and B -> C */
g_object_unref (binding_1);
g_assert_null (binding_1);
g_object_unref (binding_2);
g_assert_null (binding_2);
/* bind A -> C directly */
binding_2 = g_object_bind_property (a, "foo", c, "foo", G_BINDING_BIDIRECTIONAL);
/* verify the chain is broken */
g_object_set (a, "foo", 47, NULL);
g_assert_cmpint (a->foo, !=, b->foo);
g_assert_cmpint (a->foo, ==, c->foo);
g_object_unref (a);
g_object_unref (b);
g_object_unref (c);
}
static void
binding_sync_create (void)
{
BindingSource *source = g_object_new (binding_source_get_type (),
"foo", 42,
NULL);
BindingTarget *target = g_object_new (binding_target_get_type (),
"bar", 47,
NULL);
GBinding *binding;
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
g_assert_cmpint (source->foo, ==, 42);
g_assert_cmpint (target->bar, ==, 42);
g_object_set (source, "foo", 47, NULL);
g_assert_cmpint (source->foo, ==, target->bar);
g_object_unref (binding);
g_object_set (target, "bar", 49, NULL);
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
g_assert_cmpint (source->foo, ==, 47);
g_assert_cmpint (target->bar, ==, 47);
g_object_unref (source);
g_object_unref (target);
}
static void
binding_invert_boolean (void)
{
BindingSource *source = g_object_new (binding_source_get_type (),
"toggle", TRUE,
NULL);
BindingTarget *target = g_object_new (binding_target_get_type (),
"toggle", FALSE,
NULL);
GBinding *binding;
binding = g_object_bind_property (source, "toggle",
target, "toggle",
G_BINDING_BIDIRECTIONAL | G_BINDING_INVERT_BOOLEAN);
g_assert_true (source->toggle);
g_assert_false (target->toggle);
g_object_set (source, "toggle", FALSE, NULL);
g_assert_false (source->toggle);
g_assert_true (target->toggle);
g_object_set (target, "toggle", FALSE, NULL);
g_assert_true (source->toggle);
g_assert_false (target->toggle);
g_object_unref (binding);
g_object_unref (source);
g_object_unref (target);
}
static void
binding_same_object (void)
{
BindingSource *source = g_object_new (binding_source_get_type (),
"foo", 100,
"bar", 50,
NULL);
GBinding *binding;
binding = g_object_bind_property (source, "foo",
source, "bar",
G_BINDING_BIDIRECTIONAL);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_object_set (source, "foo", 10, NULL);
g_assert_cmpint (source->foo, ==, 10);
g_assert_cmpint (source->bar, ==, 10);
g_object_set (source, "bar", 30, NULL);
g_assert_cmpint (source->foo, ==, 30);
g_assert_cmpint (source->bar, ==, 30);
g_object_unref (source);
g_assert_null (binding);
}
static void
binding_unbind (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_object_set (source, "foo", 42, NULL);
g_assert_cmpint (source->foo, ==, target->bar);
g_object_set (target, "bar", 47, NULL);
g_assert_cmpint (source->foo, !=, target->bar);
g_binding_unbind (binding);
g_assert_null (binding);
g_object_set (source, "foo", 0, NULL);
g_assert_cmpint (source->foo, !=, target->bar);
g_object_unref (source);
g_object_unref (target);
/* g_binding_unbind() has a special case for this */
source = g_object_new (binding_source_get_type (), NULL);
binding = g_object_bind_property (source, "foo",
source, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_binding_unbind (binding);
g_assert_null (binding);
g_object_unref (source);
}
/* When source or target die, so does the binding if there is no other ref */
static void
binding_unbind_weak (void)
{
GBinding *binding;
BindingSource *source;
BindingTarget *target;
/* first source, then target */
source = g_object_new (binding_source_get_type (), NULL);
target = g_object_new (binding_target_get_type (), NULL);
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_assert_nonnull (binding);
g_object_unref (source);
g_assert_null (binding);
g_object_unref (target);
g_assert_null (binding);
/* first target, then source */
source = g_object_new (binding_source_get_type (), NULL);
target = g_object_new (binding_target_get_type (), NULL);
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_assert_nonnull (binding);
g_object_unref (target);
g_assert_null (binding);
g_object_unref (source);
g_assert_null (binding);
/* target and source are the same */
source = g_object_new (binding_source_get_type (), NULL);
binding = g_object_bind_property (source, "foo",
source, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_assert_nonnull (binding);
g_object_unref (source);
g_assert_null (binding);
}
/* Test that every call to unbind() after the first is a noop */
static void
binding_unbind_multiple (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
guint i;
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/issues/1373");
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_ref (binding);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_assert_nonnull (binding);
/* this shouldn't crash */
for (i = 0; i < 50; i++)
{
g_binding_unbind (binding);
g_assert_nonnull (binding);
}
g_object_unref (binding);
g_assert_null (binding);
g_object_unref (source);
g_object_unref (target);
}
static void
binding_fail (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
/* double -> boolean is not supported */
binding = g_object_bind_property (source, "double-value",
target, "toggle",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_test_expect_message ("GLib-GObject", G_LOG_LEVEL_CRITICAL,
"*Unable to convert*double*boolean*");
g_object_set (source, "double-value", 1.0, NULL);
g_test_assert_expected_messages ();
g_object_unref (source);
g_object_unref (target);
g_assert_null (binding);
}
static gboolean
transform_to_func (GBinding *binding,
const GValue *value_a,
GValue *value_b,
gpointer user_data)
{
if (g_value_type_compatible (G_VALUE_TYPE (value_a), G_VALUE_TYPE (value_b)))
{
g_value_copy (value_a, value_b);
return TRUE;
}
if (g_value_type_transformable (G_VALUE_TYPE (value_a), G_VALUE_TYPE (value_b)))
{
if (g_value_transform (value_a, value_b))
return TRUE;
}
return FALSE;
}
static void
binding_interface (void)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GObject *baa;
GBinding *binding;
GClosure *transform_to;
/* binding a generic object property to an interface-valued one */
binding = g_object_bind_property (source, "object",
target, "foo",
G_BINDING_DEFAULT);
baa = g_object_new (baa_get_type (), NULL);
g_object_set (source, "object", baa, NULL);
g_object_unref (baa);
g_binding_unbind (binding);
/* the same, with a generic marshaller */
transform_to = g_cclosure_new (G_CALLBACK (transform_to_func), NULL, NULL);
g_closure_set_marshal (transform_to, g_cclosure_marshal_generic);
binding = g_object_bind_property_with_closures (source, "object",
target, "foo",
G_BINDING_DEFAULT,
transform_to,
NULL);
baa = g_object_new (baa_get_type (), NULL);
g_object_set (source, "object", baa, NULL);
g_object_unref (baa);
g_binding_unbind (binding);
g_object_unref (source);
g_object_unref (target);
}
typedef struct {
GThread *thread;
GBinding *binding;
GMutex *lock;
GCond *cond;
gboolean *wait;
gint *count; /* (atomic) */
} ConcurrentUnbindData;
static gpointer
concurrent_unbind_func (gpointer data)
{
ConcurrentUnbindData *unbind_data = data;
g_mutex_lock (unbind_data->lock);
g_atomic_int_inc (unbind_data->count);
while (*unbind_data->wait)
g_cond_wait (unbind_data->cond, unbind_data->lock);
g_mutex_unlock (unbind_data->lock);
g_binding_unbind (unbind_data->binding);
g_object_unref (unbind_data->binding);
return NULL;
}
static void
binding_concurrent_unbind (void)
{
guint i, j;
g_test_summary ("Test that unbinding from multiple threads concurrently works correctly");
for (i = 0; i < 50; i++)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
GQueue threads = G_QUEUE_INIT;
GMutex lock;
GCond cond;
gboolean wait = TRUE;
gint count = 0; /* (atomic) */
ConcurrentUnbindData *data;
g_mutex_init (&lock);
g_cond_init (&cond);
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_BIDIRECTIONAL);
g_object_ref (binding);
for (j = 0; j < 10; j++)
{
data = g_new0 (ConcurrentUnbindData, 1);
data->binding = g_object_ref (binding);
data->lock = &lock;
data->cond = &cond;
data->wait = &wait;
data->count = &count;
data->thread = g_thread_new ("binding-concurrent", concurrent_unbind_func, data);
g_queue_push_tail (&threads, data);
}
/* wait until all threads are started */
while (g_atomic_int_get (&count) < 10)
g_thread_yield ();
g_mutex_lock (&lock);
wait = FALSE;
g_cond_broadcast (&cond);
g_mutex_unlock (&lock);
while ((data = g_queue_pop_head (&threads)))
{
g_thread_join (data->thread);
g_free (data);
}
g_mutex_clear (&lock);
g_cond_clear (&cond);
g_object_unref (binding);
g_object_unref (source);
g_object_unref (target);
}
}
typedef struct {
GObject *object;
GMutex *lock;
GCond *cond;
gint *count; /* (atomic) */
gboolean *wait;
} ConcurrentFinalizeData;
static gpointer
concurrent_finalize_func (gpointer data)
{
ConcurrentFinalizeData *finalize_data = data;
g_mutex_lock (finalize_data->lock);
g_atomic_int_inc (finalize_data->count);
while (*finalize_data->wait)
g_cond_wait (finalize_data->cond, finalize_data->lock);
g_mutex_unlock (finalize_data->lock);
g_object_unref (finalize_data->object);
g_free (finalize_data);
return NULL;
}
static void
binding_concurrent_finalizing (void)
{
guint i;
g_test_summary ("Test that finalizing source/target from multiple threads concurrently works correctly");
for (i = 0; i < 50; i++)
{
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
GMutex lock;
GCond cond;
gboolean wait = TRUE;
ConcurrentFinalizeData *data;
GThread *source_thread, *target_thread;
gint count = 0; /* (atomic) */
g_mutex_init (&lock);
g_cond_init (&cond);
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_BIDIRECTIONAL);
g_object_ref (binding);
data = g_new0 (ConcurrentFinalizeData, 1);
data->object = (GObject *) source;
data->wait = &wait;
data->lock = &lock;
data->cond = &cond;
data->count = &count;
source_thread = g_thread_new ("binding-concurrent", concurrent_finalize_func, data);
data = g_new0 (ConcurrentFinalizeData, 1);
data->object = (GObject *) target;
data->wait = &wait;
data->lock = &lock;
data->cond = &cond;
data->count = &count;
target_thread = g_thread_new ("binding-concurrent", concurrent_finalize_func, data);
/* wait until all threads are started */
while (g_atomic_int_get (&count) < 2)
g_thread_yield ();
g_mutex_lock (&lock);
wait = FALSE;
g_cond_broadcast (&cond);
g_mutex_unlock (&lock);
g_thread_join (source_thread);
g_thread_join (target_thread);
g_mutex_clear (&lock);
g_cond_clear (&cond);
g_object_unref (binding);
}
}
static void
binding_dispose_source (void)
{
/* Test that the source can be disposed */
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/2676");
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_object_run_dispose (G_OBJECT (source));
g_assert_null (binding);
g_object_unref (target);
g_object_unref (source);
}
static void
binding_dispose_target (void)
{
/* Test that the target can be disposed */
BindingSource *source = g_object_new (binding_source_get_type (), NULL);
BindingTarget *target = g_object_new (binding_target_get_type (), NULL);
GBinding *binding;
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/2676");
binding = g_object_bind_property (source, "foo",
target, "bar",
G_BINDING_DEFAULT);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);
g_object_run_dispose (G_OBJECT (target));
g_assert_null (binding);
g_object_unref (target);
g_object_unref (source);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/binding/default", binding_default);
g_test_add_func ("/binding/canonicalisation", binding_canonicalisation);
g_test_add_func ("/binding/bidirectional", binding_bidirectional);
g_test_add_func ("/binding/transform", binding_transform);
g_test_add_func ("/binding/transform-default", binding_transform_default);
g_test_add_func ("/binding/transform-closure", binding_transform_closure);
g_test_add_func ("/binding/chain", binding_chain);
g_test_add_func ("/binding/sync-create", binding_sync_create);
g_test_add_func ("/binding/invert-boolean", binding_invert_boolean);
g_test_add_func ("/binding/same-object", binding_same_object);
g_test_add_func ("/binding/unbind", binding_unbind);
g_test_add_func ("/binding/unbind-weak", binding_unbind_weak);
g_test_add_func ("/binding/unbind-multiple", binding_unbind_multiple);
g_test_add_func ("/binding/fail", binding_fail);
g_test_add_func ("/binding/interface", binding_interface);
g_test_add_func ("/binding/concurrent-unbind", binding_concurrent_unbind);
g_test_add_func ("/binding/concurrent-finalizing", binding_concurrent_finalizing);
g_test_add_func ("/binding/dispose-source", binding_dispose_source);
g_test_add_func ("/binding/dispose-target", binding_dispose_target);
return g_test_run ();
}
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