net: skip new testpoint TestUDPIPVersionReadMsg on plan9

Skip TestUDPIPVersionReadMsg on plan9, since it does things
not supported on that OS.

Change-Id: Icd1716fb5ed4e8877e57acb8c851ec3be72e83e2
Reviewed-on: https://go-review.googlesource.com/c/go/+/363354
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>

diff --git a/src/net/udpsock_test.go b/src/net/udpsock_test.go
index 01b8d39216aaed1eaa0307b75a5bcfb826065813..8ccdb365abace993967e5b95984297f349a03102 100644 (file)
--- a/src/net/udpsock_test.go
+++ b/src/net/udpsock_test.go
@@ -605,6 +605,10 @@ func BenchmarkWriteToReadFromUDPAddrPort(b *testing.B) {
 }
 
 func TestUDPIPVersionReadMsg(t *testing.T) {
+       switch runtime.GOOS {
+       case "plan9":
+               t.Skipf("skipping on %v", runtime.GOOS)
+       }
        conn, err := ListenUDP("udp4", &UDPAddr{IP: IPv4(127, 0, 0, 1)})
        if err != nil {
                t.Fatal(err)