Change parameter order of low_level_address_tuple; add test coverage.async

1 files changed, 2 insertions, 2 deletions

diff --git a/dns/_curio_backend.py b/dns/_curio_backend.py
index 836273b..d5eba68 100644
--- a/dns/_curio_backend.py
+++ b/dns/_curio_backend.py
@@ -77,14 +77,14 @@ class Backend(dns._asyncbackend.Backend):
             s = curio.socket.socket(af, socktype, proto)
             try:
                 if source:
-                    s.bind(_lltuple(af, source))
+                    s.bind(_lltuple(source, af))
             except Exception:
                 await s.close()
                 raise
             return DatagramSocket(s)
         elif socktype == socket.SOCK_STREAM:
             if source:
-                source_addr = (_lltuple(af, source))
+                source_addr = _lltuple(source, af)
             else:
                 source_addr = None
             async with _maybe_timeout(timeout):