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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/readwrite_test.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/readwrite_test.go140
1 files changed, 0 insertions, 140 deletions
diff --git a/vendor/golang.org/x/net/ipv4/readwrite_test.go b/vendor/golang.org/x/net/ipv4/readwrite_test.go
deleted file mode 100644
index 1b7f748..0000000
--- a/vendor/golang.org/x/net/ipv4/readwrite_test.go
+++ /dev/null
@@ -1,140 +0,0 @@
-// 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 (
- "bytes"
- "net"
- "runtime"
- "strings"
- "sync"
- "testing"
-
- "golang.org/x/net/internal/nettest"
- "golang.org/x/net/ipv4"
-)
-
-func BenchmarkReadWriteUnicast(b *testing.B) {
- c, err := nettest.NewLocalPacketListener("udp4")
- if err != nil {
- 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.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("IPv4UDP", func(b *testing.B) {
- p := ipv4.NewPacketConn(c)
- cf := ipv4.FlagTTL | ipv4.FlagInterface
- if err := p.SetControlMessage(cf, true); err != nil {
- b.Fatal(err)
- }
- cm := ipv4.ControlMessage{TTL: 1}
- ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
- if ifi != nil {
- cm.IfIndex = ifi.Index
- }
-
- 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) {
- switch runtime.GOOS {
- case "js", "nacl", "plan9", "windows":
- t.Skipf("not supported on %s", runtime.GOOS)
- }
-
- c, err := nettest.NewLocalPacketListener("udp4")
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
- p := ipv4.NewPacketConn(c)
- defer p.Close()
-
- dst := c.LocalAddr()
- ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
- cf := ipv4.FlagTTL | ipv4.FlagSrc | ipv4.FlagDst | ipv4.FlagInterface
- wb := []byte("HELLO-R-U-THERE")
-
- if err := p.SetControlMessage(cf, true); err != nil { // probe before test
- if nettest.ProtocolNotSupported(err) {
- t.Skipf("not supported on %s", runtime.GOOS)
- }
- t.Fatal(err)
- }
-
- var wg sync.WaitGroup
- reader := func() {
- defer wg.Done()
- rb := make([]byte, 128)
- if n, cm, _, err := p.ReadFrom(rb); err != nil {
- t.Error(err)
- return
- } else if !bytes.Equal(rb[:n], wb) {
- t.Errorf("got %v; want %v", rb[:n], wb)
- return
- } else {
- s := cm.String()
- if strings.Contains(s, ",") {
- t.Errorf("should be space-separated values: %s", s)
- }
- }
- }
- writer := func(toggle bool) {
- defer wg.Done()
- cm := ipv4.ControlMessage{
- Src: net.IPv4(127, 0, 0, 1),
- }
- if ifi != nil {
- cm.IfIndex = ifi.Index
- }
- if err := p.SetControlMessage(cf, toggle); err != nil {
- t.Error(err)
- return
- }
- if n, err := p.WriteTo(wb, &cm, dst); err != nil {
- t.Error(err)
- return
- } else if n != len(wb) {
- t.Errorf("got %d; want %d", n, len(wb))
- return
- }
- }
-
- const N = 10
- wg.Add(N)
- for i := 0; i < N; i++ {
- go reader()
- }
- wg.Add(2 * N)
- for i := 0; i < 2*N; i++ {
- go writer(i%2 != 0)
- }
- wg.Add(N)
- for i := 0; i < N; i++ {
- go reader()
- }
- wg.Wait()
-}