Dial creates a new connection to mock network identified by addr.

Listen for new mock connections to addr.

ErrAddressInUse is returned if the address already is in use.

ErrConnRefused is returned if the connection is refused.

ErrListenerClosed is returned when a listener has been closed.

MockAddr is an net.Addr implementation for MockListener.

MockListener is implementation of net.Listener that allowd for establishment of net.Pipe() connections pairs.