github.com/dubbogo/gost@v1.14.0/time/wheel_test.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package gxtime
    19  
    20  import (
    21  	"sync"
    22  	"testing"
    23  	"time"
    24  )
    25  
    26  // output:
    27  // timer costs: 30001 ms
    28  // --- PASS: TestNewWheel (100.00s)
    29  func TestWheel(t *testing.T) {
    30  	var (
    31  		index int
    32  		wheel *Wheel
    33  		cw    CountWatch
    34  	)
    35  	wheel = NewWheel(TimeMillisecondDuration(100), 20)
    36  	defer func() {
    37  		t.Log("timer costs:", cw.Count()/1e6, "ms")
    38  		wheel.Stop()
    39  	}()
    40  
    41  	cw.Start()
    42  	for {
    43  		<-wheel.After(TimeMillisecondDuration(100))
    44  		t.Log("loop:", index)
    45  		index++
    46  		if index >= 30 {
    47  			return
    48  		}
    49  	}
    50  }
    51  
    52  // output:
    53  // timer costs: 45001 ms
    54  // --- PASS: TestNewWheel2 (150.00s)
    55  func TestWheels(t *testing.T) {
    56  	var (
    57  		wheel *Wheel
    58  		cw    CountWatch
    59  		wg    sync.WaitGroup
    60  	)
    61  	wheel = NewWheel(TimeMillisecondDuration(100), 20)
    62  	defer func() {
    63  		t.Log("timer costs:", cw.Count()/1e6, "ms") //
    64  		wheel.Stop()
    65  	}()
    66  
    67  	f := func(d time.Duration) {
    68  		defer wg.Done()
    69  		var index int
    70  		for {
    71  			<-wheel.After(d)
    72  			t.Log("loop:", index, ", interval:", d)
    73  			index++
    74  			if index >= 30 {
    75  				return
    76  			}
    77  		}
    78  	}
    79  
    80  	wg.Add(2)
    81  	cw.Start()
    82  	go f(1e9)
    83  	go f(1510e6)
    84  	wg.Wait()
    85  }