1 files changed, 114 insertions, 0 deletions
diff --git a/src/pkg/net/conn_test.go b/src/pkg/net/conn_test.go
new file mode 100644
index 000000000..fdb90862f
--- /dev/null
+++ b/src/pkg/net/conn_test.go
@@ -0,0 +1,114 @@
+// 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.
+
+// This file implements API tests across platforms and will never have a build
+// tag.
+
+package net
+
+import (
+	"os"
+	"runtime"
+	"testing"
+	"time"
+)
+
+var connTests = []struct {
+	net  string
+	addr string
+}{
+	{"tcp", "127.0.0.1:0"},
+	{"unix", testUnixAddr()},
+	{"unixpacket", testUnixAddr()},
+}
+
+// someTimeout is used just to test that net.Conn implementations
+// don't explode when their SetFooDeadline methods are called.
+// It isn't actually used for testing timeouts.
+const someTimeout = 10 * time.Second
+
+func TestConnAndListener(t *testing.T) {
+	for _, tt := range connTests {
+		switch tt.net {
+		case "unix", "unixpacket":
+			switch runtime.GOOS {
+			case "plan9", "windows":
+				continue
+			}
+			if tt.net == "unixpacket" && runtime.GOOS != "linux" {
+				continue
+			}
+		}
+
+		ln, err := Listen(tt.net, tt.addr)
+		if err != nil {
+			t.Fatalf("Listen failed: %v", err)
+		}
+		defer func(ln Listener, net, addr string) {
+			ln.Close()
+			switch net {
+			case "unix", "unixpacket":
+				os.Remove(addr)
+			}
+		}(ln, tt.net, tt.addr)
+		ln.Addr()
+
+		done := make(chan int)
+		go transponder(t, ln, done)
+
+		c, err := Dial(tt.net, ln.Addr().String())
+		if err != nil {
+			t.Fatalf("Dial failed: %v", err)
+		}
+		defer c.Close()
+		c.LocalAddr()
+		c.RemoteAddr()
+		c.SetDeadline(time.Now().Add(someTimeout))
+		c.SetReadDeadline(time.Now().Add(someTimeout))
+		c.SetWriteDeadline(time.Now().Add(someTimeout))
+
+		if _, err := c.Write([]byte("CONN TEST")); err != nil {
+			t.Fatalf("Conn.Write failed: %v", err)
+		}
+		rb := make([]byte, 128)
+		if _, err := c.Read(rb); err != nil {
+			t.Fatalf("Conn.Read failed: %v", err)
+		}
+
+		<-done
+	}
+}
+
+func transponder(t *testing.T, ln Listener, done chan<- int) {
+	defer func() { done <- 1 }()
+
+	switch ln := ln.(type) {
+	case *TCPListener:
+		ln.SetDeadline(time.Now().Add(someTimeout))
+	case *UnixListener:
+		ln.SetDeadline(time.Now().Add(someTimeout))
+	}
+	c, err := ln.Accept()
+	if err != nil {
+		t.Errorf("Listener.Accept failed: %v", err)
+		return
+	}
+	defer c.Close()
+	c.LocalAddr()
+	c.RemoteAddr()
+	c.SetDeadline(time.Now().Add(someTimeout))
+	c.SetReadDeadline(time.Now().Add(someTimeout))
+	c.SetWriteDeadline(time.Now().Add(someTimeout))
+
+	b := make([]byte, 128)
+	n, err := c.Read(b)
+	if err != nil {
+		t.Errorf("Conn.Read failed: %v", err)
+		return
+	}
+	if _, err := c.Write(b[:n]); err != nil {
+		t.Errorf("Conn.Write failed: %v", err)
+		return
+	}
+}