func TestReadTimeoutMustNotReturn(t *testing.T) {
	t.Parallel()

	r, w, err := os.Pipe()
	if err != nil {
		t.Fatal(err)
	}
	defer r.Close()
	defer w.Close()

	max := time.NewTimer(100 * time.Millisecond)
	defer max.Stop()
	ch := make(chan error)
	go func() {
		if err := r.SetDeadline(time.Now().Add(-5 * time.Second)); err != nil {
			t.Error(err)
		}

				t.Fatalf("expect TCP connection: %d, actual: %d", tc.expectConnections, len(localAddr))
			}

			// check if watch request is broken by GOAWAY frame
			watchTimeout := time.NewTimer(time.Second * 10)
			defer watchTimeout.Stop()
			for _, watchCh := range watchChs {
				select {
				case watchResp := <-watchCh:
					if watchResp.err != nil {

	log.Infof("Starting iptables validation. This check verifies that iptables rules are properly established for the network.")
	s := Service{
		validator.Config,
	}
	sError := make(chan error, 1)
	sTimer := time.NewTimer(s.Config.ProbeTimeout)
	defer sTimer.Stop()
	go func() {
		sError <- s.Run()
	}()

	// infinite loop
	go func() {
		c := Client{Config: validator.Config}
		<-c.Config.ServerReadyBarrier
		for {

		return true
	}

	ctx = lkctx.Context()
	defer locker.Unlock(lkctx)

	// Perform callhome once and then keep running it at regular intervals.
	performCallhome(ctx)

	callhomeTimer := time.NewTimer(globalCallhomeConfig.FrequencyDur())
	defer callhomeTimer.Stop()

	for {
		if !globalCallhomeConfig.Enabled() {
			// Stop the processing as callhome got disabled
			return false
		}

		select {

// that have not been refreshed for some time.
func lockMaintenance(ctx context.Context) {
	if !globalIsDistErasure {
		return
	}

	// Initialize a new ticker with 1 minute between each ticks.
	lkTimer := time.NewTimer(lockMaintenanceInterval)
	// Stop the timer upon returning.
	defer lkTimer.Stop()

	for {
		// Verifies every minute for locks held more than 2 minutes.
		select {
		case <-ctx.Done():
			return

	testingclock "k8s.io/utils/clock/testing"
)

func timerWithClock(t Timer, c clock.WithTicker) Timer {
	switch t := t.(type) {
	case *fixedTimer:
		t.new = c.NewTicker
	case *variableTimer:
		t.new = c.NewTimer
	default:
		panic("unrecognized timer type, cannot inject clock")
	}
	return t
}

func Test_loopConditionWithContextImmediateDelay(t *testing.T) {
	fakeClock := testingclock.NewFakeClock(time.Time{})

			if delay <= 0 {
				// execute now and continue processing incoming enqueues/tasks
				if !push(task) {
					return
				}
			} else {
				// not ready yet, don't block enqueueing
				await := time.NewTimer(delay)
				select {
				case t := <-d.enqueue:
					d.mu.Lock()
					heap.Push(d.queue, t)
					// put the old "head" back on the queue, it may be scheduled to execute after the one
					// that was just pushed

// WaitForClose an error if the timeout expires.
func (q Queue) WaitForClose(timeout time.Duration) error {
	closed := q.Closed()
	if timeout == 0 {
		<-closed
		return nil
	}
	timer := time.NewTimer(timeout)
	defer timer.Stop()
	select {
	case <-closed:
		return nil
	case <-timer.C:
		return fmt.Errorf("timeout waiting for queue to close after %v", timeout)
	}
}

			t.Errorf("c[%d].Err() == %v want %v", i, e, Canceled)
		}
	}
}

func testDeadline(c Context, name string, t *testing.T) {
	t.Helper()
	d := quiescent(t)
	timer := time.NewTimer(d)
	defer timer.Stop()
	select {
	case <-timer.C:
		t.Fatalf("%s: context not timed out after %v", name, d)
	case <-c.Done():
	}
	if e := c.Err(); e != DeadlineExceeded {

	}
	clnt.SetCustomTransport(globalRemoteTargetTransport)
	return clnt
}

// heartBeat performs liveness check on remote endpoints.
func (sys *BucketTargetSys) heartBeat(ctx context.Context) {
	hcTimer := time.NewTimer(defaultHealthCheckDuration)
	defer hcTimer.Stop()
	for {
		select {
		case <-hcTimer.C:
			sys.hMutex.RLock()
			eps := make([]madmin.ServerProperties, 0, len(sys.hc))
			for _, ep := range sys.hc {