bump(code.google.com/p/go.net): ca4c826193c2

third_party/code.google.com/p/go.net/ipv6/unicastsockopt_test.go

@@ -0,0 +1,101 @@
+// Copyright 2013 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ipv6_test
+
+import (
+	"code.google.com/p/go.net/ipv6"
+	"net"
+	"os"
+	"runtime"
+	"testing"
+)
+
+func TestConnUnicastSocketOptions(t *testing.T) {
+	switch runtime.GOOS {
+	case "plan9", "windows":
+		t.Skipf("not supported on %q", runtime.GOOS)
+	}
+	if !supportsIPv6 {
+		t.Skip("ipv6 is not supported")
+	}
+
+	ln, err := net.Listen("tcp6", "[::1]:0")
+	if err != nil {
+		t.Fatalf("net.Listen failed: %v", err)
+	}
+	defer ln.Close()
+
+	done := make(chan bool)
+	go acceptor(t, ln, done)
+
+	c, err := net.Dial("tcp6", ln.Addr().String())
+	if err != nil {
+		t.Fatalf("net.Dial failed: %v", err)
+	}
+	defer c.Close()
+
+	testUnicastSocketOptions(t, ipv6.NewConn(c))
+
+	<-done
+}
+
+var packetConnUnicastSocketOptionTests = []struct {
+	net, proto, addr string
+}{
+	{"udp6", "", "[::1]:0"},
+	{"ip6", ":ipv6-icmp", "::1"},
+}
+
+func TestPacketConnUnicastSocketOptions(t *testing.T) {
+	switch runtime.GOOS {
+	case "plan9", "windows":
+		t.Skipf("not supported on %q", runtime.GOOS)
+	}
+	if !supportsIPv6 {
+		t.Skip("ipv6 is not supported")
+	}
+
+	for _, tt := range packetConnUnicastSocketOptionTests {
+		if tt.net == "ip6" && os.Getuid() != 0 {
+			t.Skip("must be root")
+		}
+		c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
+		if err != nil {
+			t.Fatalf("net.ListenPacket(%q, %q) failed: %v", tt.net+tt.proto, tt.addr, err)
+		}
+		defer c.Close()
+
+		testUnicastSocketOptions(t, ipv6.NewPacketConn(c))
+	}
+}
+
+type testIPv6UnicastConn interface {
+	TrafficClass() (int, error)
+	SetTrafficClass(int) error
+	HopLimit() (int, error)
+	SetHopLimit(int) error
+}
+
+func testUnicastSocketOptions(t *testing.T, c testIPv6UnicastConn) {
+	tclass := DiffServCS0 | NotECNTransport
+	if err := c.SetTrafficClass(tclass); err != nil {
+		t.Fatalf("ipv6.Conn.SetTrafficClass failed: %v", err)
+	}
+	if v, err := c.TrafficClass(); err != nil {
+		t.Fatalf("ipv6.Conn.TrafficClass failed: %v", err)
+	} else if v != tclass {
+		t.Fatalf("got unexpected traffic class %v; expected %v", v, tclass)
+	}
+
+	hoplim := 255
+	if err := c.SetHopLimit(hoplim); err != nil {
+		t.Fatalf("ipv6.Conn.SetHopLimit failed: %v", err)
+	}
+	if v, err := c.HopLimit(); err != nil {
+		t.Fatalf("ipv6.Conn.HopLimit failed: %v", err)
+	} else if v != hoplim {
+		t.Fatalf("got unexpected hop limit %v; expected %v", v, hoplim)
+	}
+}