net: do not call syscall.Bind twice on windows
Fixes #5355.
R=golang-dev, mikioh.mikioh, bradfitz, r
CC=golang-dev
https://golang.org/cl/8966046
diff --git a/src/pkg/net/dial_test.go b/src/pkg/net/dial_test.go
index 41821e4..e24fecc 100644
--- a/src/pkg/net/dial_test.go
+++ b/src/pkg/net/dial_test.go
@@ -372,3 +372,38 @@
}
}
}
+
+func TestDialer(t *testing.T) {
+ ln, err := Listen("tcp4", "127.0.0.1:0")
+ if err != nil {
+ t.Fatalf("Listen failed: %v", err)
+ }
+ defer ln.Close()
+ ch := make(chan error, 1)
+ go func() {
+ var err error
+ c, err := ln.Accept()
+ if err != nil {
+ ch <- fmt.Errorf("Accept failed: %v", err)
+ return
+ }
+ defer c.Close()
+ ch <- nil
+ }()
+
+ laddr, err := ResolveTCPAddr("tcp4", "127.0.0.1:0")
+ if err != nil {
+ t.Fatalf("ResolveTCPAddr failed: %v", err)
+ }
+ d := &Dialer{LocalAddr: laddr}
+ c, err := d.Dial("tcp4", ln.Addr().String())
+ if err != nil {
+ t.Fatalf("Dial failed: %v", err)
+ }
+ defer c.Close()
+ c.Read(make([]byte, 1))
+ err = <-ch
+ if err != nil {
+ t.Error(err)
+ }
+}
