73 lines
1.1 KiB
Go
73 lines
1.1 KiB
Go
package eventloop
|
|
|
|
import (
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
type racyEvent struct {
|
|
m map[int]struct{}
|
|
wg *sync.WaitGroup
|
|
}
|
|
|
|
func (e *racyEvent) Handle() {
|
|
e.m[0] = struct{}{}
|
|
e.wg.Done()
|
|
}
|
|
|
|
func simulateRacyEvents(el EventLoop) {
|
|
wg := &sync.WaitGroup{}
|
|
raceMap := make(map[int]struct{})
|
|
var evs []*racyEvent
|
|
for i := 0; i < 1024; i++ {
|
|
wg.Add(1)
|
|
evs = append(evs, &racyEvent{m: raceMap, wg: wg})
|
|
}
|
|
for _, ev := range evs {
|
|
el.Send(ev)
|
|
}
|
|
wg.Wait()
|
|
}
|
|
|
|
// run with -race
|
|
func TestChanRace(t *testing.T) {
|
|
e := NewChanLoop(1024)
|
|
e.Start()
|
|
simulateRacyEvents(e)
|
|
}
|
|
|
|
// run with -race
|
|
func TestChanStartTwiceRace(t *testing.T) {
|
|
e := NewChanLoop(1024)
|
|
e.Start()
|
|
e.Start()
|
|
simulateRacyEvents(e)
|
|
}
|
|
|
|
type testEvent struct {
|
|
wg *sync.WaitGroup
|
|
}
|
|
|
|
func (e *testEvent) Handle() {
|
|
e.wg.Done()
|
|
}
|
|
|
|
func TestChanEventSpawn(t *testing.T) {
|
|
e := NewChanLoop(1024)
|
|
e.Start()
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(2)
|
|
e.Send(&testEvent{wg: wg})
|
|
e.Send(&testEvent{wg: wg})
|
|
waitCh := make(chan struct{})
|
|
go func() {
|
|
wg.Wait()
|
|
close(waitCh)
|
|
}()
|
|
select {
|
|
case <-waitCh:
|
|
case <-time.After(1 * time.Second):
|
|
t.Fatal("Events was not handled in loop")
|
|
}
|
|
}
|