| // 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(1) |
| wt.Trigger(2) |
| select { |
| case <-ch1: |
| default: |
| t.Fatalf("cannot receive from ch as expected") |
| } |
| |
| ch2 := wt.Wait(4) |
| wt.Trigger(3) |
| select { |
| case <-ch2: |
| t.Fatalf("unexpected to receive from ch2") |
| default: |
| } |
| wt.Trigger(4) |
| select { |
| case <-ch2: |
| default: |
| t.Fatalf("cannot receive from ch2 as expected") |
| } |
| |
| select { |
| // wait on a triggered deadline |
| case <-wt.Wait(4): |
| default: |
| t.Fatalf("unexpected blocking when wait on triggered deadline") |
| } |
| } |
| |
| func TestWaitTestStress(t *testing.T) { |
| chs := make([]<-chan struct{}, 0) |
| wt := NewTimeList() |
| for i := 0; i < 10000; i++ { |
| chs = append(chs, wt.Wait(uint64(i))) |
| } |
| wt.Trigger(10000 + 1) |
| |
| 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) { |
| wt := NewTimeList() |
| for i := 0; i < b.N; i++ { |
| wt.Wait(1) |
| } |
| } |
| |
| func BenchmarkTriggerAnd10KWaitTime(b *testing.B) { |
| for i := 0; i < b.N; i++ { |
| wt := NewTimeList() |
| for j := 0; j < 10000; j++ { |
| wt.Wait(uint64(j)) |
| } |
| wt.Trigger(10000 + 1) |
| } |
| } |