net: enable TestDialParallel, TestDialerFallbackDelay and TestDialCancel on Plan 9

TestDialParallel, TestDialerFallbackDelay and TestDialCancel
require dialTCP to support cancellation, which has been
implemented for Plan 9 in CL 22144.

Updates #11225.
Updates #11932.

Change-Id: I3b30a645ef79227dfa519cde8d46c67b72f2485c
Reviewed-on: https://go-review.googlesource.com/22203
Run-TryBot: David du Colombier <0intro@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/net/dial_test.go b/src/net/dial_test.go
index eb145f476cd6ee2d90b87a554a0c7d303d7477f8..ead1e68d46f43e76aa21cbb1c9d9cd87d4481a9a 100644 (file)
--- a/src/net/dial_test.go
+++ b/src/net/dial_test.go
@@ -241,9 +241,6 @@ func TestDialParallel(t *testing.T) {
        if !supportsIPv4 || !supportsIPv6 {
                t.Skip("both IPv4 and IPv6 are required")
        }
-       if runtime.GOOS == "plan9" {
-               t.Skip("skipping on plan9; cannot cancel dialTCP, golang.org/issue/11225")
-       }
 
        closedPortDelay, expectClosedPortDelay := dialClosedPort()
        if closedPortDelay > expectClosedPortDelay {
@@ -486,9 +483,6 @@ func TestDialParallelSpuriousConnection(t *testing.T) {
        if !supportsIPv4 || !supportsIPv6 {
                t.Skip("both IPv4 and IPv6 are required")
        }
-       if runtime.GOOS == "plan9" {
-               t.Skip("skipping on plan9; cannot cancel dialTCP, golang.org/issue/11225")
-       }
 
        var wg sync.WaitGroup
        wg.Add(2)
@@ -813,9 +807,8 @@ func TestDialCancel(t *testing.T) {
                testenv.MustHaveExternalNetwork(t)
        }
 
-       if runtime.GOOS == "plan9" || runtime.GOOS == "nacl" {
-               // plan9 is not implemented and nacl doesn't have
-               // external network access.
+       if runtime.GOOS == "nacl" {
+               // nacl doesn't have external network access.
                t.Skipf("skipping on %s", runtime.GOOS)
        }