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8 changes: 8 additions & 0 deletions pool_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -28,3 +28,11 @@ func TestNewPoolWithQueueTask(t *testing.T) {
p.Release()
assert.Equal(t, 0, p.BusyWorkers())
}

func TestPoolNumber(t *testing.T) {
p := NewPool(0)
p.Start()
// shutdown all, and now running worker is 0
p.Release()
assert.Equal(t, 0, p.BusyWorkers())
}
3 changes: 3 additions & 0 deletions queue.go
Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,9 @@ func NewQueue(opts ...Option) (*Queue, error) {

// Start to enable all worker
func (q *Queue) Start() {
if q.workerCount == 0 {
return
}
q.routineGroup.Run(func() {
q.start()
})
Expand Down