Merge branch 'state-races' into state-copy

Test that races found in old code are no longer found in new code.

client/commands.go

@@ -96,8 +96,14 @@ func (conn *Conn) User(ident, name string) {
 	conn.Raw(USER + " " + ident + " 12 * :" + name)
 }
 
-// Join() sends a JOIN command to the server
-func (conn *Conn) Join(channel string) { conn.Raw(JOIN + " " + channel) }
+// Join() sends a JOIN command to the server with an optional key
+func (conn *Conn) Join(channel string, key ...string) {
+	k := ""
+	if len(key) > 0 {
+		k = " " + key[0]
+	}
+	conn.Raw(JOIN + " " + channel + k)
+}
 
 // Part() sends a PART command to the server with an optional part message
 func (conn *Conn) Part(channel string, message ...string) {

client/commands_test.go

@@ -97,6 +97,8 @@ func TestClientCommands(t *testing.T) {
 
 	c.Join("#foo")
 	s.nc.Expect("JOIN #foo")
+	c.Join("#foo bar")
+	s.nc.Expect("JOIN #foo bar")
 
 	c.Part("#foo")
 	s.nc.Expect("PART #foo")

client/connection.go

@@ -83,6 +83,9 @@ type Config struct {
 	// Split PRIVMSGs, NOTICEs and CTCPs longer than
 	// SplitLen characters over multiple lines.
 	SplitLen int
+
+	// Timeout, The amount of time in seconds until a timeout is triggered.
+	Timeout time.Duration
 }
 
 func NewConfig(nick string, args ...string) *Config {
@@ -92,6 +95,7 @@ func NewConfig(nick string, args ...string) *Config {
 		NewNick:  func(s string) string { return s + "_" },
 		Recover:  (*Conn).LogPanic, // in dispatch.go
 		SplitLen: 450,
+		Timeout:  60 * time.Second,
 	}
 	cfg.Me.Ident = "goirc"
 	if len(args) > 0 && args[0] != "" {
@@ -124,6 +128,7 @@ func Client(cfg *Config) *Conn {
 	}
 
 	dialer := new(net.Dialer)
+	dialer.Timeout = cfg.Timeout
 	if cfg.LocalAddr != "" {
 		if !hasPort(cfg.LocalAddr) {
 			cfg.LocalAddr += ":0"

state/tracker_test.go

@@ -1,6 +1,9 @@
 package state
 
-import "testing"
+import (
+	"sync"
+	"testing"
+)
 
 // There is some awkwardness in these tests. Items retrieved directly from the
 // state trackers internal maps are private and only have private,
@@ -560,3 +563,56 @@ func TestSTWipe(t *testing.T) {
 		t.Errorf("Nick chan lists wrong length after wipe.")
 	}
 }
+
+func TestSTRaces(t *testing.T) {
+	st := NewTracker("mynick")
+	wg := sync.WaitGroup{}
+
+	for i := 'a'; i < 'g'; i++ {
+		wg.Add(2)
+		go func(s string) {
+			st.NewNick("nick-" + s)
+			c := st.NewChannel("#chan-" + s)
+			st.Associate(c, st.me)
+			wg.Done()
+		}(string(i))
+		go func(s string) {
+			n := st.GetNick("nick-" + s)
+			c := st.GetChannel("#chan-" + s)
+			st.Associate(c, n)
+			wg.Done()
+		}(string(i))
+	}
+	wg.Wait()
+
+	wg = sync.WaitGroup{}
+	race := func(ns, cs string) {
+		wg.Add(5)
+		go func() {
+			st.Associate(st.GetChannel("#chan-"+cs), st.GetNick("nick-"+ns))
+			wg.Done()
+		}()
+		go func() {
+			st.GetNick("nick-"+ns).Channels()
+			wg.Done()
+		}()
+		go func() {
+			st.GetChannel("#chan-"+cs).Nicks()
+			wg.Done()
+		}()
+		go func() {
+			st.Dissociate(st.GetChannel("#chan-"+cs), st.GetNick("nick-"+ns))
+			wg.Done()
+		}()
+		go func() {
+			st.ReNick("nick-"+ns, "nick2-"+ns)
+			wg.Done()
+		}()
+	}
+	for n := 'a'; n < 'g'; n++ {
+		for c := 'a'; c < 'g'; c++ {
+			race(string(n), string(c))
+		}
+	}
+	wg.Wait()
+}