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glib/gobject/tests/signals.c

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#include <glib-object.h>
typedef enum {
TEST_ENUM_NEGATIVE = -30,
TEST_ENUM_NONE = 0,
TEST_ENUM_FOO = 1,
TEST_ENUM_BAR = 2
} TestEnum;
typedef enum {
TEST_UNSIGNED_ENUM_FOO = 1,
TEST_UNSIGNED_ENUM_BAR = 0x80000000
} TestUnsignedEnum;
GType
test_enum_get_type (void)
{
static volatile gsize g_define_type_id__volatile = 0;
if (g_once_init_enter (&g_define_type_id__volatile))
{
static const GEnumValue values[] = {
{ TEST_ENUM_NEGATIVE, "TEST_ENUM_NEGATIVE", "negative" },
{ TEST_ENUM_NONE, "TEST_ENUM_NONE", "none" },
{ TEST_ENUM_FOO, "TEST_ENUM_FOO", "foo" },
{ TEST_ENUM_BAR, "TEST_ENUM_BAR", "bar" },
{ 0, NULL, NULL }
};
GType g_define_type_id =
g_enum_register_static (g_intern_static_string ("TestEnum"), values);
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
}
return g_define_type_id__volatile;
}
GType
test_unsigned_enum_get_type (void)
{
static volatile gsize g_define_type_id__volatile = 0;
if (g_once_init_enter (&g_define_type_id__volatile))
{
static const GEnumValue values[] = {
{ TEST_UNSIGNED_ENUM_FOO, "TEST_UNSIGNED_ENUM_FOO", "foo" },
{ TEST_UNSIGNED_ENUM_BAR, "TEST_UNSIGNED_ENUM_BAR", "bar" },
{ 0, NULL, NULL }
};
GType g_define_type_id =
g_enum_register_static (g_intern_static_string ("TestUnsignedEnum"), values);
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
}
return g_define_type_id__volatile;
}
typedef struct _Test Test;
typedef struct _TestClass TestClass;
struct _Test
{
GObject parent_instance;
};
struct _TestClass
{
GObjectClass parent_class;
void (* variant_changed) (Test *, GVariant *);
};
static GType test_get_type (void);
G_DEFINE_TYPE (Test, test, G_TYPE_OBJECT)
static void
test_init (Test *test)
{
}
static void
test_class_init (TestClass *klass)
{
g_signal_new ("generic-marshaller-1",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
NULL,
G_TYPE_NONE,
7,
G_TYPE_CHAR, G_TYPE_UCHAR, G_TYPE_INT, G_TYPE_LONG, G_TYPE_POINTER, G_TYPE_DOUBLE, G_TYPE_FLOAT);
g_signal_new ("generic-marshaller-2",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
NULL,
G_TYPE_NONE,
5,
G_TYPE_INT, test_enum_get_type(), G_TYPE_INT, test_unsigned_enum_get_type (), G_TYPE_INT);
g_signal_new ("generic-marshaller-enum-return-signed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
NULL,
test_enum_get_type(),
0);
g_signal_new ("generic-marshaller-enum-return-unsigned",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
NULL,
test_unsigned_enum_get_type(),
0);
g_signal_new ("generic-marshaller-int-return",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
NULL,
G_TYPE_INT,
0);
g_signal_new ("generic-marshaller-uint-return",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
NULL,
G_TYPE_UINT,
0);
g_signal_new ("variant-changed-no-slot",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VARIANT,
G_TYPE_NONE,
1,
G_TYPE_VARIANT);
g_signal_new ("variant-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
G_STRUCT_OFFSET (TestClass, variant_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VARIANT,
G_TYPE_NONE,
1,
G_TYPE_VARIANT);
}
static void
test_variant_signal (void)
{
Test *test;
GVariant *v;
/* Tests that the signal emission consumes the variant,
* even if there are no handlers connected.
*/
test = g_object_new (test_get_type (), NULL);
v = g_variant_new_boolean (TRUE);
g_variant_ref (v);
g_assert (g_variant_is_floating (v));
g_signal_emit_by_name (test, "variant-changed-no-slot", v);
g_assert (!g_variant_is_floating (v));
g_variant_unref (v);
v = g_variant_new_boolean (TRUE);
g_variant_ref (v);
g_assert (g_variant_is_floating (v));
g_signal_emit_by_name (test, "variant-changed", v);
g_assert (!g_variant_is_floating (v));
g_variant_unref (v);
g_object_unref (test);
}
static void
on_generic_marshaller_1 (Test *obj,
gint8 v_schar,
guint8 v_uchar,
gint v_int,
glong v_long,
gpointer v_pointer,
gdouble v_double,
gfloat v_float,
gpointer user_data)
{
g_assert_cmpint (v_schar, ==, 42);
g_assert_cmpint (v_uchar, ==, 43);
g_assert_cmpint (v_int, ==, 4096);
g_assert_cmpint (v_long, ==, 8192);
g_assert (v_pointer == NULL);
g_assert_cmpfloat (v_double, >, 0.0);
g_assert_cmpfloat (v_double, <, 1.0);
g_assert_cmpfloat (v_float, >, 5.0);
g_assert_cmpfloat (v_float, <, 6.0);
}
static void
test_generic_marshaller_signal_1 (void)
{
Test *test;
test = g_object_new (test_get_type (), NULL);
g_signal_connect (test, "generic-marshaller-1", G_CALLBACK (on_generic_marshaller_1), NULL);
g_signal_emit_by_name (test, "generic-marshaller-1", 42, 43, 4096, 8192, NULL, 0.5, 5.5);
g_object_unref (test);
}
static void
on_generic_marshaller_2 (Test *obj,
gint v_int1,
TestEnum v_enum,
gint v_int2,
TestUnsignedEnum v_uenum,
gint v_int3)
{
g_assert_cmpint (v_int1, ==, 42);
g_assert_cmpint (v_enum, ==, TEST_ENUM_BAR);
g_assert_cmpint (v_int2, ==, 43);
g_assert_cmpint (v_uenum, ==, TEST_UNSIGNED_ENUM_BAR);
g_assert_cmpint (v_int3, ==, 44);
}
static void
test_generic_marshaller_signal_2 (void)
{
Test *test;
test = g_object_new (test_get_type (), NULL);
g_signal_connect (test, "generic-marshaller-2", G_CALLBACK (on_generic_marshaller_2), NULL);
g_signal_emit_by_name (test, "generic-marshaller-2", 42, TEST_ENUM_BAR, 43, TEST_UNSIGNED_ENUM_BAR, 44);
g_object_unref (test);
}
static TestEnum
on_generic_marshaller_enum_return_signed_1 (Test *obj)
{
return TEST_ENUM_NEGATIVE;
}
static TestEnum
on_generic_marshaller_enum_return_signed_2 (Test *obj)
{
return TEST_ENUM_BAR;
}
static void
test_generic_marshaller_signal_enum_return_signed (void)
{
Test *test;
guint id;
TestEnum retval = 0;
test = g_object_new (test_get_type (), NULL);
/* Test return value NEGATIVE */
id = g_signal_connect (test,
"generic-marshaller-enum-return-signed",
G_CALLBACK (on_generic_marshaller_enum_return_signed_1),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-enum-return-signed", &retval);
g_assert_cmpint (retval, ==, TEST_ENUM_NEGATIVE);
g_signal_handler_disconnect (test, id);
/* Test return value BAR */
retval = 0;
id = g_signal_connect (test,
"generic-marshaller-enum-return-signed",
G_CALLBACK (on_generic_marshaller_enum_return_signed_2),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-enum-return-signed", &retval);
g_assert_cmpint (retval, ==, TEST_ENUM_BAR);
g_signal_handler_disconnect (test, id);
g_object_unref (test);
}
static TestUnsignedEnum
on_generic_marshaller_enum_return_unsigned_1 (Test *obj)
{
return TEST_UNSIGNED_ENUM_FOO;
}
static TestUnsignedEnum
on_generic_marshaller_enum_return_unsigned_2 (Test *obj)
{
return TEST_UNSIGNED_ENUM_BAR;
}
static void
test_generic_marshaller_signal_enum_return_unsigned (void)
{
Test *test;
guint id;
TestUnsignedEnum retval = 0;
test = g_object_new (test_get_type (), NULL);
/* Test return value FOO */
id = g_signal_connect (test,
"generic-marshaller-enum-return-unsigned",
G_CALLBACK (on_generic_marshaller_enum_return_unsigned_1),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-enum-return-unsigned", &retval);
g_assert_cmpint (retval, ==, TEST_UNSIGNED_ENUM_FOO);
g_signal_handler_disconnect (test, id);
/* Test return value BAR */
retval = 0;
id = g_signal_connect (test,
"generic-marshaller-enum-return-unsigned",
G_CALLBACK (on_generic_marshaller_enum_return_unsigned_2),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-enum-return-unsigned", &retval);
g_assert_cmpint (retval, ==, TEST_UNSIGNED_ENUM_BAR);
g_signal_handler_disconnect (test, id);
g_object_unref (test);
}
/**********************/
static gint
on_generic_marshaller_int_return_signed_1 (Test *obj)
{
return -30;
}
static gint
on_generic_marshaller_int_return_signed_2 (Test *obj)
{
return 2;
}
static void
test_generic_marshaller_signal_int_return (void)
{
Test *test;
guint id;
gint retval = 0;
test = g_object_new (test_get_type (), NULL);
/* Test return value -30 */
id = g_signal_connect (test,
"generic-marshaller-int-return",
G_CALLBACK (on_generic_marshaller_int_return_signed_1),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-int-return", &retval);
g_assert_cmpint (retval, ==, -30);
g_signal_handler_disconnect (test, id);
/* Test return value positive */
retval = 0;
id = g_signal_connect (test,
"generic-marshaller-int-return",
G_CALLBACK (on_generic_marshaller_int_return_signed_2),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-int-return", &retval);
g_assert_cmpint (retval, ==, 2);
g_signal_handler_disconnect (test, id);
g_object_unref (test);
}
static guint
on_generic_marshaller_uint_return_1 (Test *obj)
{
return 1;
}
static guint
on_generic_marshaller_uint_return_2 (Test *obj)
{
return G_MAXUINT;
}
static void
test_generic_marshaller_signal_uint_return (void)
{
Test *test;
guint id;
guint retval = 0;
test = g_object_new (test_get_type (), NULL);
id = g_signal_connect (test,
"generic-marshaller-uint-return",
G_CALLBACK (on_generic_marshaller_uint_return_1),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-uint-return", &retval);
g_assert_cmpint (retval, ==, 1);
g_signal_handler_disconnect (test, id);
retval = 0;
id = g_signal_connect (test,
"generic-marshaller-uint-return",
G_CALLBACK (on_generic_marshaller_uint_return_2),
NULL);
g_signal_emit_by_name (test, "generic-marshaller-uint-return", &retval);
g_assert_cmpint (retval, ==, G_MAXUINT);
g_signal_handler_disconnect (test, id);
g_object_unref (test);
}
/* --- */
int
main (int argc,
char *argv[])
{
g_type_init ();
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/gobject/signals/variant", test_variant_signal);
g_test_add_func ("/gobject/signals/generic-marshaller-1", test_generic_marshaller_signal_1);
g_test_add_func ("/gobject/signals/generic-marshaller-2", test_generic_marshaller_signal_2);
g_test_add_func ("/gobject/signals/generic-marshaller-enum-return-signed", test_generic_marshaller_signal_enum_return_signed);
g_test_add_func ("/gobject/signals/generic-marshaller-enum-return-unsigned", test_generic_marshaller_signal_enum_return_unsigned);
g_test_add_func ("/gobject/signals/generic-marshaller-int-return", test_generic_marshaller_signal_int_return);
g_test_add_func ("/gobject/signals/generic-marshaller-uint-return", test_generic_marshaller_signal_uint_return);
return g_test_run ();
}
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