github.com/angenalZZZ/gofunc@v0.0.0-20210507121333-48ff1be3917b/f/goroutines_test.go (about)

     1  package f_test
     2  
     3  import (
     4  	"github.com/angenalZZZ/gofunc/f"
     5  	"sync"
     6  	"sync/atomic"
     7  	"testing"
     8  	"time"
     9  )
    10  
    11  func TestGoroutines(t *testing.T) {
    12  	defer f.GoHandle.Release()
    13  
    14  	var sum int32
    15  	myFunc := func(i interface{}) {
    16  		n := i.(int32)
    17  		atomic.AddInt32(&sum, n)
    18  	}
    19  	demoFunc := func() {
    20  		time.Sleep(10 * time.Millisecond)
    21  	}
    22  
    23  	// Use the common pool.
    24  	runTimes := 1000
    25  	var wg sync.WaitGroup
    26  	syncCalculateSum := func() {
    27  		demoFunc()
    28  		wg.Done()
    29  	}
    30  	for i := 0; i < runTimes; i++ {
    31  		wg.Add(1)
    32  		_ = f.GoHandle.Submit(syncCalculateSum)
    33  	}
    34  	wg.Wait()
    35  	goroutines := f.GoHandle.Running()
    36  	t.Logf("running goroutines: %d\n", goroutines)
    37  	t.Log("finish all tasks.")
    38  
    39  	// Use the pool with a function,
    40  	// set 10 to the capacity of goroutine pool and 1 second for expired duration.
    41  	p, _ := f.GoWithFunc(20, func(i interface{}) {
    42  		myFunc(i)
    43  		wg.Done()
    44  	})
    45  	defer p.Release()
    46  	// Submit tasks one by one.
    47  	for i := 0; i < runTimes; i++ {
    48  		wg.Add(1)
    49  		_ = p.Invoke(int32(i))
    50  	}
    51  	wg.Wait()
    52  	t.Logf("running goroutines: %d\n", p.Running())
    53  	t.Logf("finish all tasks, result is %d\n", sum)
    54  }