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package test_helpers
import "sync"
type WaitGroup struct {
sync.Mutex
Count int
WaitCalled chan int
}
func NewWaitGroup() *WaitGroup {
return &WaitGroup{
WaitCalled: make(chan int, 1),
}
}
func (wg *WaitGroup) Add(delta int) {
wg.Lock()
wg.Count++
wg.Unlock()
}
func (wg *WaitGroup) Done() {
wg.Lock()
wg.Count--
wg.Unlock()
}
func (wg *WaitGroup) Wait() {
wg.Lock()
wg.WaitCalled <- wg.Count
wg.Unlock()
}
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