gnome_vfs_async_*() do not work in test code.

I tried cvs/gnome-vfs/test/test-async
and made my own test codes.

but both not work.
"""
test]$ ./test-async http://www.gnome.org/index.php3
Initializing gnome-vfs...
Creating async context...
Starting open for `http://www.gnome.org/index.php3'...
Main loop running.
A[prompt]
"""
and nothing. may infinite loop. I have no idea why.

if work correct as written in code,
I think I'll see the head of html codes of gnome main site.
what's wrong?

ps.
it's hard time for me, the beginning of gnome-vfs-async is in trouble. :-(