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    // Copyright 2015-2017 Parity Technologies (UK) Ltd.
    // This file is part of Parity.

    // Parity is free software: you can redistribute it and/or modify
    // it under the terms of the GNU General Public License as published by
    // the Free Software Foundation, either version 3 of the License, or
    // (at your option) any later version.

    // Parity is distributed in the hope that it will be useful,
    // but WITHOUT ANY WARRANTY; without even the implied warranty of
    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    // GNU General Public License for more details.

    // You should have received a copy of the GNU General Public License
    // along with Parity.  If not, see <http://www.gnu.org/licenses/>.

    #[cfg(test)]
    mod tests {

    	use super::super::service::*;
    	use super::super::with_attrs::PrettyNamedClient;
    	use nanoipc;
    	use std::sync::Arc;
    	use std::io::Write;
    	use std::sync::atomic::{Ordering, AtomicBool};

    	fn dummy_write(addr: &str, buf: &[u8]) -> (::nanomsg::Socket, ::nanomsg::Endpoint) {
    		let mut socket = ::nanomsg::Socket::new(::nanomsg::Protocol::Pair).unwrap();
    		let endpoint = socket.connect(addr).unwrap();
    		socket.write(buf).unwrap();
    		(socket, endpoint)
    	}

    	fn init_worker(addr: &str) -> nanoipc::Worker<Service> {
    		let mut worker = nanoipc::Worker::<Service>::new(&Arc::new(Service::new()));
    		worker.add_duplex(addr).unwrap();
    		worker
    	}

    	#[test]
    	fn can_create_client() {
    		let client = nanoipc::init_duplex_client::<ServiceClient<_>>("ipc:///tmp/parity-nano-test10.ipc");
    		assert!(client.is_ok());
    	}

    	#[test]
    	fn can_create_renamed_client() {
    		let client = nanoipc::init_duplex_client::<PrettyNamedClient<_>>("ipc:///tmp/parity-nano-test10.ipc");
    		assert!(client.is_ok());
    	}

    	#[test]
    	fn can_call_handshake() {
    		let url = "ipc:///tmp/parity-test-nano-20.ipc";
    		let worker_should_exit = Arc::new(AtomicBool::new(false));
    		let worker_is_ready = Arc::new(AtomicBool::new(false));
    		let c_worker_should_exit = worker_should_exit.clone();
    		let c_worker_is_ready = worker_is_ready.clone();

    		::std::thread::spawn(move || {
    			let mut worker = init_worker(url);
        		while !c_worker_should_exit.load(Ordering::Relaxed) {
    				worker.poll();
    				c_worker_is_ready.store(true, Ordering::Relaxed);
    			}
    		});

    		while !worker_is_ready.load(Ordering::Relaxed) { }
    		let client = nanoipc::init_duplex_client::<ServiceClient<_>>(url).unwrap();

    		let hs = client.handshake();

    		worker_should_exit.store(true, Ordering::Relaxed);
    		assert!(hs.is_ok());
    	}
    }

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