return t.closeIdle
}

func (t *Transport) QueueForIdleConnForTesting() {
	t.queueForIdleConn(nil)
}

// PutIdleTestConn reports whether it was able to insert a fresh
// persistConn for scheme, addr into the idle connection pool.
func (t *Transport) PutIdleTestConn(scheme, addr string) bool {
	c, _ := net.Pipe()
	key := connectMethodKey{"", scheme, addr, false}

	if t.MaxConnsPerHost > 0 {

		got := tr.IdleConnCountForTesting("http", "example.com") // key used by PutIdleTestConn
		if got == n {
			return true
		}
		t.Errorf("%s: idle conns = %d; want %d", when, got, n)
		return false
	}
	wantIdle("start", 0)
	if !tr.PutIdleTestConn("http", "example.com") {
		t.Fatal("put failed")
	}
	if !tr.PutIdleTestConn("http", "example.com") {
		t.Fatal("second put failed")
	}