// Issue 22682: treat StateNew connections as if
		// they're idle if we haven't read the first request's
		// header in over 5 seconds.
		if st == StateNew && unixSec < time.Now().Unix()-5 {
			st = StateIdle
		}
		if st != StateIdle || unixSec == 0 {
			// Assume unixSec == 0 means it's a very new
			// connection, without state set yet.
			quiescent = false
			continue
		}
		c.rwc.Close()

		}
	}

	wantLog(func() {
		mustGet(ts.URL + "/")
		mustGet(ts.URL + "/close")
	}, StateNew, StateActive, StateIdle, StateActive, StateClosed)

	wantLog(func() {
		mustGet(ts.URL + "/")
		mustGet(ts.URL+"/", "Connection", "close")
	}, StateNew, StateActive, StateIdle, StateActive, StateClosed)

	wantLog(func() {
		mustGet(ts.URL + "/hijack")
	}, StateNew, StateActive, StateHijacked)

	// Active means we read some data and anticipate a request. We'll
	// do another Active when we get a HEADERS frame.
	sc.setConnState(StateActive)
	sc.setConnState(StateIdle)

	if sc.srv.IdleTimeout > 0 {
		sc.idleTimer = sc.srv.afterFunc(sc.srv.IdleTimeout, sc.onIdleTimer)
		defer sc.idleTimer.Stop()
	}

	go sc.readFrames() // closed by defer sc.conn.Close above