}
}

func TestJwtPubKeyEvictionForNotUsed(t *testing.T) {
	r := NewJwksResolver(
		100*time.Millisecond, /*EvictionDuration*/
		2*time.Millisecond,   /*RefreshInterval*/
		2*time.Millisecond,   /*RefreshIntervalOnFailure*/
		testRetryInterval,
	)
	defer r.Close()

	ms := startMockServer(t)
	defer ms.Stop()

	allocHog(25 * time.Millisecond)

	// checkProcStartStop relies on this.
	var wg2 sync.WaitGroup
	for i := 0; i < runtime.GOMAXPROCS(0); i++ {
		wg2.Add(1)
		go func() {
			defer wg2.Done()
			cpuHog(50 * time.Millisecond)
		}()
	}
	wg2.Wait()

	// checkSyscalls relies on this.
	done := make(chan error)
	go blockingSyscall(50*time.Millisecond, done)
	if err := <-done; err != nil {

	go func() {
		for {
			runtime.GC()
			time.Sleep(1 * time.Millisecond)
		}
	}()

	// Start tracing.
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}
	// Run GOMAXPROCS a bunch of times, up and down.
	for i := 1; i <= 16; i *= 2 {
		runtime.GOMAXPROCS(i)
		time.Sleep(1 * time.Millisecond)
	}
	for i := 16; i >= 1; i /= 2 {
		runtime.GOMAXPROCS(i)

		var tmp [1]byte
		rp.Read(tmp[:])
		<-done
		wg.Done()
	}()
	time.Sleep(time.Millisecond) // give the goroutine above time to block

	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}
	defer trace.Stop()

	procs := runtime.GOMAXPROCS(10)
	time.Sleep(50 * time.Millisecond) // test proc stop/start events

	go func() {
		runtime.LockOSThread()
		for {
			select {

			return
		}
		defer func() {
			rp.Close()
			wp.Close()
		}()
		wg.Add(1)
		go func() {
			var tmp [1]byte
			rp.Read(tmp[:])
			<-done
			wg.Done()
		}()
		time.Sleep(time.Millisecond)

		go func() {
			runtime.LockOSThread()
			for {
				select {
				case <-done:
					return
				default:
					runtime.Gosched()
				}
			}
		}()

		runtime.GC()

	logErrs := func() {
		for _, e := range errs {
			t.Log(e)
		}
	}

	for i := 0; i < 5; i++ {
		AfterFunc(100*Millisecond, func() {})
		t0 := newTimer(50 * Millisecond)
		c1 := make(chan bool, 1)
		t1 := AfterFunc(150*Millisecond, func() { c1 <- true })
		c2 := After(200 * Millisecond)
		if !t0.Stop() {
			errs = append(errs, "failed to stop event 0")
			continue
		}
		if !t1.Stop() {

	// mid-GC by only starting to trace after a few milliseconds.
	time.Sleep(5 * time.Millisecond)

	// Start tracing.
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}
	defer trace.Stop()

	// Let the tracing happen for a bit.
	time.Sleep(400 * time.Millisecond)

	}
	if interval == 0 {
		interval = defaultTCPKeepAliveInterval
	}

	// The kernel expects milliseconds so round to next highest
	// millisecond.
	tcpKeepAliveIdle := uint32(roundDurationUp(idle, time.Millisecond))
	tcpKeepAliveInterval := uint32(roundDurationUp(interval, time.Millisecond))
	ka := syscall.TCPKeepalive{
		OnOff:    1,
		Time:     tcpKeepAliveIdle,
		Interval: tcpKeepAliveInterval,
	}

	work := NewDeadlineWorker(500 * time.Millisecond)

	err := work.Run(func() error {
		time.Sleep(600 * time.Millisecond)
		return nil
	})
	if err != context.DeadlineExceeded {
		t.Error("DeadlineWorker shouldn't be successful - should return context.DeadlineExceeded")
	}

	err = work.Run(func() error {
		time.Sleep(450 * time.Millisecond)
		return nil
	})
	if err != nil {

}

var defaultLatencyBuckets = []time.Duration{
	10 * time.Millisecond,
	50 * time.Millisecond,
	100 * time.Millisecond,
	250 * time.Millisecond,
	500 * time.Millisecond,
	1000 * time.Millisecond, // 1s
	1500 * time.Millisecond,
	3000 * time.Millisecond,
	5000 * time.Millisecond,
	10000 * time.Millisecond, // 10s
}

// KMS is a connection to a key management system.