From 58839cefb50e56ae5b157b37e9814ae83ceee70b Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Thu, 20 Jul 2017 15:22:49 -0700
Subject: Upgrading server dependancies (#6984)

---
 vendor/golang.org/x/net/ipv6/readwrite_test.go | 121 ++++++++-----------------
 1 file changed, 40 insertions(+), 81 deletions(-)

(limited to 'vendor/golang.org/x/net/ipv6/readwrite_test.go')

diff --git a/vendor/golang.org/x/net/ipv6/readwrite_test.go b/vendor/golang.org/x/net/ipv6/readwrite_test.go
index 41f59be5a..206b915ce 100644
--- a/vendor/golang.org/x/net/ipv6/readwrite_test.go
+++ b/vendor/golang.org/x/net/ipv6/readwrite_test.go
@@ -17,87 +17,50 @@ import (
 	"golang.org/x/net/ipv6"
 )
 
-func benchmarkUDPListener() (net.PacketConn, net.Addr, error) {
-	c, err := net.ListenPacket("udp6", "[::1]:0")
+func BenchmarkReadWriteUnicast(b *testing.B) {
+	c, err := nettest.NewLocalPacketListener("udp6")
 	if err != nil {
-		return nil, nil, err
-	}
-	dst, err := net.ResolveUDPAddr("udp6", c.LocalAddr().String())
-	if err != nil {
-		c.Close()
-		return nil, nil, err
-	}
-	return c, dst, nil
-}
-
-func BenchmarkReadWriteNetUDP(b *testing.B) {
-	if !supportsIPv6 {
-		b.Skip("ipv6 is not supported")
-	}
-
-	c, dst, err := benchmarkUDPListener()
-	if err != nil {
-		b.Fatal(err)
+		b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
 	}
 	defer c.Close()
 
+	dst := c.LocalAddr()
 	wb, rb := []byte("HELLO-R-U-THERE"), make([]byte, 128)
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		benchmarkReadWriteNetUDP(b, c, wb, rb, dst)
-	}
-}
-
-func benchmarkReadWriteNetUDP(b *testing.B, c net.PacketConn, wb, rb []byte, dst net.Addr) {
-	if _, err := c.WriteTo(wb, dst); err != nil {
-		b.Fatal(err)
-	}
-	if _, _, err := c.ReadFrom(rb); err != nil {
-		b.Fatal(err)
-	}
-}
 
-func BenchmarkReadWriteIPv6UDP(b *testing.B) {
-	if !supportsIPv6 {
-		b.Skip("ipv6 is not supported")
-	}
-
-	c, dst, err := benchmarkUDPListener()
-	if err != nil {
-		b.Fatal(err)
-	}
-	defer c.Close()
-
-	p := ipv6.NewPacketConn(c)
-	cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
-	if err := p.SetControlMessage(cf, true); err != nil {
-		b.Fatal(err)
-	}
-	ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
-
-	wb, rb := []byte("HELLO-R-U-THERE"), make([]byte, 128)
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		benchmarkReadWriteIPv6UDP(b, p, wb, rb, dst, ifi)
-	}
-}
+	b.Run("NetUDP", func(b *testing.B) {
+		for i := 0; i < b.N; i++ {
+			if _, err := c.WriteTo(wb, dst); err != nil {
+				b.Fatal(err)
+			}
+			if _, _, err := c.ReadFrom(rb); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+	b.Run("IPv6UDP", func(b *testing.B) {
+		p := ipv6.NewPacketConn(c)
+		cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
+		if err := p.SetControlMessage(cf, true); err != nil {
+			b.Fatal(err)
+		}
+		cm := ipv6.ControlMessage{
+			TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
+			HopLimit:     1,
+		}
+		ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
+		if ifi != nil {
+			cm.IfIndex = ifi.Index
+		}
 
-func benchmarkReadWriteIPv6UDP(b *testing.B, p *ipv6.PacketConn, wb, rb []byte, dst net.Addr, ifi *net.Interface) {
-	cm := ipv6.ControlMessage{
-		TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
-		HopLimit:     1,
-	}
-	if ifi != nil {
-		cm.IfIndex = ifi.Index
-	}
-	if n, err := p.WriteTo(wb, &cm, dst); err != nil {
-		b.Fatal(err)
-	} else if n != len(wb) {
-		b.Fatalf("got %v; want %v", n, len(wb))
-	}
-	if _, _, _, err := p.ReadFrom(rb); err != nil {
-		b.Fatal(err)
-	}
+		for i := 0; i < b.N; i++ {
+			if _, err := p.WriteTo(wb, &cm, dst); err != nil {
+				b.Fatal(err)
+			}
+			if _, _, _, err := p.ReadFrom(rb); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
 }
 
 func TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
@@ -109,7 +72,7 @@ func TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
 		t.Skip("ipv6 is not supported")
 	}
 
-	c, err := net.ListenPacket("udp6", "[::1]:0")
+	c, err := nettest.NewLocalPacketListener("udp6")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -117,11 +80,7 @@ func TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
 	p := ipv6.NewPacketConn(c)
 	defer p.Close()
 
-	dst, err := net.ResolveUDPAddr("udp6", c.LocalAddr().String())
-	if err != nil {
-		t.Fatal(err)
-	}
-
+	dst := c.LocalAddr()
 	ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
 	cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
 	wb := []byte("HELLO-R-U-THERE")
@@ -167,7 +126,7 @@ func TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
 			t.Error(err)
 			return
 		} else if n != len(wb) {
-			t.Errorf("got %v; want %v", n, len(wb))
+			t.Errorf("got %d; want %d", n, len(wb))
 			return
 		}
 	}
-- 
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