net: skip IPv6->IPv4 test on Plan 9

psilva261 · rafael2k · commit 53a9389d696a · 2025-12-03T10:04:41.000Z
diff --git a/src/net/udpsock_test.go b/src/net/udpsock_test.go
@@ -679,7 +679,7 @@ func TestIPv6WriteMsgUDPAddrPortTargetAddrIPVersion(t *testing.T) {
 	}
 
 	switch runtime.GOOS {
-	case "dragonfly", "openbsd":
+	case "dragonfly", "openbsd", "plan9":
 		// DragonflyBSD's IPv6 sockets are always IPv6-only, according to the man page:
 		// https://www.dragonflybsd.org/cgi/web-man?command=ip6 (search for IPV6_V6ONLY).
 		// OpenBSD's IPv6 sockets are always IPv6-only, according to the man page:

Original file line number	Diff line number	Diff line change
`@@ -679,7 +679,7 @@ func TestIPv6WriteMsgUDPAddrPortTargetAddrIPVersion(t *testing.T) {`
`679`	`679`	`}`
`680`	`680`
`681`	`681`	`switch runtime.GOOS {`
`682`		`- case "dragonfly", "openbsd":`
	`682`	`+ case "dragonfly", "openbsd", "plan9":`
`683`	`683`	`// DragonflyBSD's IPv6 sockets are always IPv6-only, according to the man page:`
`684`	`684`	`// https://www.dragonflybsd.org/cgi/web-man?command=ip6 (search for IPV6_V6ONLY).`
`685`	`685`	`// OpenBSD's IPv6 sockets are always IPv6-only, according to the man page:`