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broadcaster_test.go
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package broadcast
import (
"sync"
"testing"
)
func TestBroadcast(t *testing.T) {
wg := sync.WaitGroup{}
b := NewBroadcaster(100)
defer b.Close()
for i := 0; i < 5; i++ {
wg.Add(1)
cch := make(chan interface{})
b.Register(cch)
go func() {
defer wg.Done()
defer b.Unregister(cch)
<-cch
}()
}
b.Submit(1)
wg.Wait()
}
func TestBroadcastCleanup(t *testing.T) {
b := NewBroadcaster(100)
b.Register(make(chan interface{}))
b.Close()
}
func echoer(chin, chout chan interface{}) {
for m := range chin {
chout <- m
}
}
func BenchmarkDirectSend(b *testing.B) {
chout := make(chan interface{})
chin := make(chan interface{})
defer close(chin)
go echoer(chin, chout)
for i := 0; i < b.N; i++ {
chin <- nil
<-chout
}
}
func BenchmarkBrodcast(b *testing.B) {
chout := make(chan interface{})
bc := NewBroadcaster(0)
defer bc.Close()
bc.Register(chout)
for i := 0; i < b.N; i++ {
bc.Submit(nil)
<-chout
}
}
func BenchmarkParallelDirectSend(b *testing.B) {
chout := make(chan interface{})
chin := make(chan interface{})
defer close(chin)
go echoer(chin, chout)
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
chin <- nil
<-chout
}
})
}
func BenchmarkParallelBrodcast(b *testing.B) {
chout := make(chan interface{})
bc := NewBroadcaster(0)
defer bc.Close()
bc.Register(chout)
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
bc.Submit(nil)
<-chout
}
})
}