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gtype: Allow g_type_query() to be called on dynamic types

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There’s no reason that anyone can think of that this should be
disallowed. It’s useful for language runtimes like GJS to be able to
find out the allocation size of dynamic GObjects.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Fixes: #623
This commit is contained in:
Philip Withnall
2023-07-30 11:25:42 +03:00
parent 43cec2d622
commit d9b23c5466
2 changed files with 30 additions and 4 deletions
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26
gobject/tests/dynamictype.c
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@@ -109,8 +109,6 @@ test_dynamic_type (void)
{
DynamicObjectClass *class;
test_module_new (module_register);
/* Not loaded until we call ref for the first time */
class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
g_assert_null (class);
@@ -165,6 +163,27 @@ test_dynamic_type (void)
#endif
}
static void
test_dynamic_type_query (void)
{
DynamicObjectClass *class;
GTypeQuery query_result;
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/623");
class = g_type_class_ref (DYNAMIC_OBJECT_TYPE);
g_assert_nonnull (class);
g_type_query (DYNAMIC_OBJECT_TYPE, &query_result);
g_assert_cmpuint (query_result.type, !=, 0);
g_assert_cmpstr (query_result.type_name, ==, "DynamicObject");
g_assert_cmpuint (query_result.class_size, >=, sizeof (DynamicObjectClass));
g_assert_cmpuint (query_result.instance_size, >=, sizeof (DynamicObject));
g_type_class_unref (class);
}
int
main (int argc,
char *argv[])
@@ -175,7 +194,10 @@ main (int argc,
g_test_init (&argc, &argv, NULL);
test_module_new (module_register);
g_test_add_func ("/gobject/dynamic-type", test_dynamic_type);
g_test_add_func ("/gobject/dynamic-type/query", test_dynamic_type_query);
return g_test_run ();
}