etcd/pkg/wait/wait_time_test.go

86 lines
1.9 KiB
Go

// Copyright 2015 The etcd Authors
//
// 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(100 * 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())
}
}