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test/cancellable: Check that a cancellable can be unreffed on callback

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This works when the cancellable has not been cancelled yet.
This commit is contained in:
Marco Trevisan (Treviño)
2025-04-02 19:10:40 +02:00
parent 7086823bb2
commit 7432441581
1 changed files with 35 additions and 0 deletions
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35
gio/tests/cancellable.c
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@@ -712,6 +712,9 @@ on_racy_cancellable_cancelled (GCancellable *cancellable,
{
gboolean *callback_called = data; /* (atomic) */
/* This must be a no-op and never dead-lock here! */
g_cancellable_cancel (cancellable);
g_assert_true (g_cancellable_is_cancelled (cancellable));
g_atomic_int_set (callback_called, TRUE);
}
@@ -875,6 +878,37 @@ test_cancellable_source_can_be_fired_multiple_times (void)
g_object_unref (cancellable);
}
static void
assert_references_and_unref (GCancellable *cancellable, gpointer data)
{
gint expected_references = GPOINTER_TO_INT (data);
/* This must be a no-op and never dead-lock here! */
g_cancellable_cancel (cancellable);
g_assert_cmpint (G_OBJECT (cancellable)->ref_count, ==, expected_references);
g_object_unref (cancellable);
}
static void
test_connect_to_disposing_callback (void)
{
GCancellable *cancellable;
gulong id;
g_test_summary ("A cancellable signal callback can unref the cancellable");
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/3643");
cancellable = g_cancellable_new ();
g_object_add_weak_pointer (G_OBJECT (cancellable), (gpointer *) &cancellable);
id = g_cancellable_connect (cancellable, G_CALLBACK (assert_references_and_unref),
GINT_TO_POINTER (3), NULL);
g_assert_cmpuint (id, >, 0);
g_cancellable_cancel (cancellable);
g_assert_null (cancellable);
}
int
main (int argc, char *argv[])
{
@@ -882,6 +916,7 @@ main (int argc, char *argv[])
g_test_add_func ("/cancellable/multiple-concurrent", test_cancel_multiple_concurrent);
g_test_add_func ("/cancellable/null", test_cancel_null);
g_test_add_func ("/cancellable/connect-to-disposing-callback", test_connect_to_disposing_callback);
g_test_add_func ("/cancellable/disconnect-on-cancelled-callback-hangs", test_cancellable_disconnect_on_cancelled_callback_hangs);
g_test_add_func ("/cancellable/resets-on-cancel-callback-hangs", test_cancellable_reset_on_cancelled_callback_hangs);
g_test_add_func ("/cancellable/poll-fd", test_cancellable_poll_fd);