feat(go mod): go mod (#1886)

[bytom/bytom.git] / lib / golang.org / x / net / ipv4 / unicastsockopt_test.go

diff --git a/lib/golang.org/x/net/ipv4/unicastsockopt_test.go b/lib/golang.org/x/net/ipv4/unicastsockopt_test.go
new file mode 100644 (file)
index 0000000..db5213b
--- /dev/null
+++ b/lib/golang.org/x/net/ipv4/unicastsockopt_test.go
@@ -0,0 +1,148 @@
+// Copyright 2012 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 ipv4_test
+
+import (
+       "net"
+       "runtime"
+       "testing"
+
+       "golang.org/x/net/internal/iana"
+       "golang.org/x/net/internal/nettest"
+       "golang.org/x/net/ipv4"
+)
+
+func TestConnUnicastSocketOptions(t *testing.T) {
+       switch runtime.GOOS {
+       case "nacl", "plan9", "windows":
+               t.Skipf("not supported on %s", runtime.GOOS)
+       }
+       ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
+       if ifi == nil {
+               t.Skipf("not available on %s", runtime.GOOS)
+       }
+
+       ln, err := net.Listen("tcp4", "127.0.0.1:0")
+       if err != nil {
+               t.Fatal(err)
+       }
+       defer ln.Close()
+
+       errc := make(chan error, 1)
+       go func() {
+               c, err := ln.Accept()
+               if err != nil {
+                       errc <- err
+                       return
+               }
+               errc <- c.Close()
+       }()
+
+       c, err := net.Dial("tcp4", ln.Addr().String())
+       if err != nil {
+               t.Fatal(err)
+       }
+       defer c.Close()
+
+       testUnicastSocketOptions(t, ipv4.NewConn(c))
+
+       if err := <-errc; err != nil {
+               t.Errorf("server: %v", err)
+       }
+}
+
+var packetConnUnicastSocketOptionTests = []struct {
+       net, proto, addr string
+}{
+       {"udp4", "", "127.0.0.1:0"},
+       {"ip4", ":icmp", "127.0.0.1"},
+}
+
+func TestPacketConnUnicastSocketOptions(t *testing.T) {
+       switch runtime.GOOS {
+       case "nacl", "plan9", "windows":
+               t.Skipf("not supported on %s", runtime.GOOS)
+       }
+       ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
+       if ifi == nil {
+               t.Skipf("not available on %s", runtime.GOOS)
+       }
+
+       m, ok := nettest.SupportsRawIPSocket()
+       for _, tt := range packetConnUnicastSocketOptionTests {
+               if tt.net == "ip4" && !ok {
+                       t.Log(m)
+                       continue
+               }
+               c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
+               if err != nil {
+                       t.Fatal(err)
+               }
+               defer c.Close()
+
+               testUnicastSocketOptions(t, ipv4.NewPacketConn(c))
+       }
+}
+
+func TestRawConnUnicastSocketOptions(t *testing.T) {
+       switch runtime.GOOS {
+       case "nacl", "plan9", "windows":
+               t.Skipf("not supported on %s", runtime.GOOS)
+       }
+       if m, ok := nettest.SupportsRawIPSocket(); !ok {
+               t.Skip(m)
+       }
+       ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
+       if ifi == nil {
+               t.Skipf("not available on %s", runtime.GOOS)
+       }
+
+       c, err := net.ListenPacket("ip4:icmp", "127.0.0.1")
+       if err != nil {
+               t.Fatal(err)
+       }
+       defer c.Close()
+
+       r, err := ipv4.NewRawConn(c)
+       if err != nil {
+               t.Fatal(err)
+       }
+
+       testUnicastSocketOptions(t, r)
+}
+
+type testIPv4UnicastConn interface {
+       TOS() (int, error)
+       SetTOS(int) error
+       TTL() (int, error)
+       SetTTL(int) error
+}
+
+func testUnicastSocketOptions(t *testing.T, c testIPv4UnicastConn) {
+       tos := iana.DiffServCS0 | iana.NotECNTransport
+       switch runtime.GOOS {
+       case "windows":
+               // IP_TOS option is supported on Windows 8 and beyond.
+               t.Skipf("not supported on %s", runtime.GOOS)
+       }
+
+       if err := c.SetTOS(tos); err != nil {
+               t.Fatal(err)
+       }
+       if v, err := c.TOS(); err != nil {
+               t.Fatal(err)
+       } else if v != tos {
+               t.Fatalf("got %v; want %v", v, tos)
+       }
+       const ttl = 255
+       if err := c.SetTTL(ttl); err != nil {
+               t.Fatal(err)
+       }
+       if v, err := c.TTL(); err != nil {
+               t.Fatal(err)
+       } else if v != ttl {
+               t.Fatalf("got %v; want %v", v, ttl)
+       }
+}