Fix for hosts that don't have localhost->::1 for IPv6

reuse_test.go

@@ -9,17 +9,17 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func testDialFromListeningPort(t *testing.T, network string) {
+func testDialFromListeningPort(t *testing.T, network, host string) {
 	lc := net.ListenConfig{
 		Control: Control,
 	}
 	ctx := context.Background()
-	ll, err := lc.Listen(ctx, network, "localhost:0")
+	ll, err := lc.Listen(ctx, network, host+":0")
 	if err != nil && strings.Contains(err.Error(), "cannot assign requested address") {
 		t.Skip(err)
 	}
 	require.NoError(t, err)
-	rl, err := lc.Listen(ctx, network, "localhost:0")
+	rl, err := lc.Listen(ctx, network, host+":0")
 	require.NoError(t, err)
 	d := net.Dialer{
 		LocalAddr: ll.Addr(),
@@ -31,9 +31,9 @@ func testDialFromListeningPort(t *testing.T, network string) {
 }
 
 func TestDialFromListeningPort(t *testing.T) {
-	testDialFromListeningPort(t, "tcp")
+	testDialFromListeningPort(t, "tcp", "localhost")
 }
 
 func TestDialFromListeningPortTcp6(t *testing.T) {
-	testDialFromListeningPort(t, "tcp6")
+	testDialFromListeningPort(t, "tcp6", "[::1]")
 }