1 files changed, 5 insertions, 0 deletions
diff --git a/test/socket/test_socket.rb b/test/socket/test_socket.rb
index 4c88177c9e..130b1f4390 100644
--- a/test/socket/test_socket.rb
+++ b/test/socket/test_socket.rb
@@ -109,6 +109,11 @@ class TestSocket < Test::Unit::TestCase
       assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
       assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(addr) }
     }
+    Socket.open(:AF_INET, :SOCK_STREAM, 0) {|s|
+      addr = s.getsockname
+      assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
+      assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(addr) }
+    }
   end
 
   def test_getaddrinfo