mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
eea7f28be4
It is possible to trigger the time.After case if the timer went off between time.After setting the timer for its channel and the time that select looked at the channel. So it needs to be longer. refer: https://groups.google.com/forum/#!topic/golang-nuts/1tjcV80ccq8
88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
/*
|
|
|
|
Copyright 2015 CoreOS, Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
package wait
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestWaitTime(t *testing.T) {
|
|
wt := NewTimeList()
|
|
ch1 := wt.Wait(time.Now())
|
|
t1 := time.Now()
|
|
wt.Trigger(t1)
|
|
select {
|
|
case <-ch1:
|
|
case <-time.After(10 * time.Millisecond):
|
|
t.Fatalf("cannot receive from ch as expected")
|
|
}
|
|
|
|
ch2 := wt.Wait(time.Now())
|
|
t2 := time.Now()
|
|
wt.Trigger(t1)
|
|
select {
|
|
case <-ch2:
|
|
t.Fatalf("unexpected to receive from ch")
|
|
case <-time.After(10 * time.Millisecond):
|
|
}
|
|
wt.Trigger(t2)
|
|
select {
|
|
case <-ch2:
|
|
case <-time.After(10 * time.Millisecond):
|
|
t.Fatalf("cannot receive from ch as expected")
|
|
}
|
|
}
|
|
|
|
func TestWaitTestStress(t *testing.T) {
|
|
chs := make([]<-chan struct{}, 0)
|
|
wt := NewTimeList()
|
|
for i := 0; i < 10000; i++ {
|
|
chs = append(chs, wt.Wait(time.Now()))
|
|
// sleep one nanosecond before waiting on the next event
|
|
time.Sleep(time.Nanosecond)
|
|
}
|
|
wt.Trigger(time.Now())
|
|
|
|
for _, ch := range chs {
|
|
select {
|
|
case <-ch:
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("cannot receive from ch as expected")
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkWaitTime(b *testing.B) {
|
|
t := time.Now()
|
|
wt := NewTimeList()
|
|
for i := 0; i < b.N; i++ {
|
|
wt.Wait(t)
|
|
}
|
|
}
|
|
|
|
func BenchmarkTriggerAnd10KWaitTime(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
t := time.Now()
|
|
wt := NewTimeList()
|
|
for j := 0; j < 10000; j++ {
|
|
wt.Wait(t)
|
|
}
|
|
wt.Trigger(time.Now())
|
|
}
|
|
}
|