upd6

socket_addr_test.v

@@ -1,17 +1,23 @@
 import netio
 
-fn test_socket_addr_ipv4() {
+fn test_socket_addr_new_ipv4() {
 	addr := netio.SocketAddr.new_ipv4([u8(127), 0, 0, 1]!, 1080)
 	assert addr.str() == '127.0.0.1:1080'
 }
 
-fn test_socket_addr_ipv6() {
+fn test_socket_addr_new_ipv6() {
 	addr := netio.SocketAddr.new_ipv6([u8(0xfd), 0xf1, 0x72, 0xd1, 0x00, 0x33, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x47]!, 25535, 0, 0)
 	assert addr.str() == '[fdf1:72d1:0033:0000:0000:0000:0000:0247]:25535'
 }
 
-fn test_socket_addr_unix() {
+fn test_socket_addr_new_unix() {
 	addr := netio.SocketAddr.new_unix('/run/app.sock')!
 	assert addr.str() == '/run/app.sock'
 }
+
+fn test_socket_addr_is_empty() {
+	assert unsafe { netio.SocketAddr.new(netio.af_unspec, 16).is_empty() }
+	assert netio.SocketAddr{}.is_empty()
+	assert !netio.SocketAddr.new_ipv4([u8(127), 0, 0, 1]!, 16).is_empty()
+}