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spsc_test.go
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/
spsc_test.go
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package goroutines
import (
"fmt"
"sync"
"testing"
)
func TestNewSPSC(t *testing.T) {
wg := &sync.WaitGroup{}
prodCon := NewSPSC(8)
iters := 1000
wg.Add(2)
go produce(prodCon, wg, iters)
go consume(prodCon, wg, iters)
wg.Wait()
}
func produce(prod Producer, wg *sync.WaitGroup, iters int) {
for i := 0; i < iters; i++ {
prod.Produce(i)
}
prod.Close()
wg.Done()
}
func consume(prod Consumer, wg *sync.WaitGroup, iters int) {
for i := 0; i < iters; i++ {
if got := prod.Consume(); i != got {
panic(fmt.Sprintf("invalid data retrieved: expected: %v, got %v", i, got))
}
}
wg.Done()
}
func BenchmarkNewSPSC(b *testing.B) {
wg := &sync.WaitGroup{}
prodCon := NewSPSC(8)
iters := b.N
wg.Add(2)
go produce(prodCon, wg, iters)
go consume(prodCon, wg, iters)
wg.Wait()
}
func BenchmarkChanSPSC(b *testing.B) {
wg := &sync.WaitGroup{}
ch := make(chan int, 8)
iters := b.N
wg.Add(2)
go func() {
for i := 0; i < iters; i++ {
ch <- i
}
close(ch)
wg.Done()
}()
go func() {
for range ch {
}
wg.Done()
}()
wg.Wait()
}