1 files changed, 404 insertions, 0 deletions
diff --git a/third_party/rust/tokio-0.1.11/tests/runtime.rs b/third_party/rust/tokio-0.1.11/tests/runtime.rs
new file mode 100644
index 0000000000..66d10b9510
--- /dev/null
+++ b/third_party/rust/tokio-0.1.11/tests/runtime.rs
@@ -0,0 +1,404 @@
+extern crate tokio;
+extern crate env_logger;
+extern crate futures;
+
+use futures::sync::oneshot;
+use std::sync::{Arc, Mutex};
+use std::thread;
+use tokio::io;
+use tokio::net::{TcpStream, TcpListener};
+use tokio::prelude::future::lazy;
+use tokio::prelude::*;
+use tokio::runtime::Runtime;
+
+// this import is used in all child modules that have it in scope
+// from importing super::*, but the compiler doesn't realise that
+// and warns about it.
+pub use futures::future::Executor;
+
+macro_rules! t {
+    ($e:expr) => (match $e {
+        Ok(e) => e,
+        Err(e) => panic!("{} failed with {:?}", stringify!($e), e),
+    })
+}
+
+fn create_client_server_future() -> Box<Future<Item=(), Error=()> + Send> {
+    let server = t!(TcpListener::bind(&"127.0.0.1:0".parse().unwrap()));
+    let addr = t!(server.local_addr());
+    let client = TcpStream::connect(&addr);
+
+    let server = server.incoming().take(1)
+        .map_err(|e| panic!("accept err = {:?}", e))
+        .for_each(|socket| {
+            tokio::spawn({
+                io::write_all(socket, b"hello")
+                    .map(|_| ())
+                    .map_err(|e| panic!("write err = {:?}", e))
+            })
+        })
+        .map(|_| ());
+
+    let client = client
+        .map_err(|e| panic!("connect err = {:?}", e))
+        .and_then(|client| {
+            // Read all
+            io::read_to_end(client, vec![])
+                .map(|_| ())
+                .map_err(|e| panic!("read err = {:?}", e))
+        });
+
+    let future = server.join(client)
+        .map(|_| ());
+    Box::new(future)
+}
+
+#[test]
+fn runtime_tokio_run() {
+    let _ = env_logger::try_init();
+
+    tokio::run(create_client_server_future());
+}
+
+#[test]
+fn runtime_single_threaded() {
+    let _ = env_logger::try_init();
+
+    let mut runtime = tokio::runtime::current_thread::Runtime::new()
+        .unwrap();
+    runtime.block_on(create_client_server_future()).unwrap();
+    runtime.run().unwrap();
+}
+
+#[test]
+fn runtime_single_threaded_block_on() {
+    let _ = env_logger::try_init();
+
+    tokio::runtime::current_thread::block_on_all(create_client_server_future()).unwrap();
+}
+
+mod runtime_single_threaded_block_on_all {
+    use super::*;
+
+    fn test<F>(spawn: F)
+    where
+        F: Fn(Box<Future<Item=(), Error=()> + Send>),
+    {
+        let cnt = Arc::new(Mutex::new(0));
+        let c = cnt.clone();
+
+        let msg = tokio::runtime::current_thread::block_on_all(lazy(move || {
+            {
+                let mut x = c.lock().unwrap();
+                *x = 1 + *x;
+            }
+
+            // Spawn!
+            spawn(Box::new(lazy(move || {
+                {
+                    let mut x = c.lock().unwrap();
+                    *x = 1 + *x;
+                }
+                Ok::<(), ()>(())
+            })));
+
+            Ok::<_, ()>("hello")
+        })).unwrap();
+
+        assert_eq!(2, *cnt.lock().unwrap());
+        assert_eq!(msg, "hello");
+    }
+
+    #[test]
+    fn spawn() {
+       test(|f| { tokio::spawn(f); })
+    }
+
+    #[test]
+    fn execute() {
+        test(|f| {
+            tokio::executor::DefaultExecutor::current()
+                .execute(f)
+                .unwrap();
+        })
+    }
+}
+
+mod runtime_single_threaded_racy {
+    use super::*;
+    fn test<F>(spawn: F)
+    where
+        F: Fn(
+            tokio::runtime::current_thread::Handle,
+            Box<Future<Item=(), Error=()> + Send>,
+        ),
+    {
+        let (trigger, exit) = futures::sync::oneshot::channel();
+        let (handle_tx, handle_rx) = ::std::sync::mpsc::channel();
+        let jh = ::std::thread::spawn(move || {
+            let mut rt = tokio::runtime::current_thread::Runtime::new().unwrap();
+            handle_tx.send(rt.handle()).unwrap();
+
+            // don't exit until we are told to
+            rt.block_on(exit.map_err(|_| ())).unwrap();
+
+            // run until all spawned futures (incl. the "exit" signal future) have completed.
+            rt.run().unwrap();
+        });
+
+        let (tx, rx) = futures::sync::oneshot::channel();
+
+        let handle = handle_rx.recv().unwrap();
+        spawn(handle, Box::new(futures::future::lazy(move || {
+            tx.send(()).unwrap();
+            Ok(())
+        })));
+
+        // signal runtime thread to exit
+        trigger.send(()).unwrap();
+
+        // wait for runtime thread to exit
+        jh.join().unwrap();
+
+        assert_eq!(rx.wait().unwrap(), ());
+    }
+
+    #[test]
+    fn spawn() {
+        test(|handle, f| { handle.spawn(f).unwrap(); })
+    }
+
+    #[test]
+    fn execute() {
+        test(|handle, f| { handle.execute(f).unwrap(); })
+    }
+}
+
+mod runtime_multi_threaded {
+    use super::*;
+    fn test<F>(spawn: F)
+    where
+        F: Fn(&mut Runtime) + Send + 'static,
+    {
+        let _ = env_logger::try_init();
+
+        let mut runtime = tokio::runtime::Builder::new()
+            .build()
+            .unwrap();
+        spawn(&mut runtime);
+        runtime.shutdown_on_idle().wait().unwrap();
+    }
+
+    #[test]
+    fn spawn() {
+        test(|rt| { rt.spawn(create_client_server_future()); });
+    }
+
+    #[test]
+    fn execute() {
+        test(|rt| { rt.executor().execute(create_client_server_future()).unwrap(); });
+    }
+}
+
+
+#[test]
+fn block_on_timer() {
+    use std::time::{Duration, Instant};
+    use tokio::timer::{Delay, Error};
+
+    fn after_1s<T>(x: T) -> Box<Future<Item = T, Error = Error> + Send>
+    where
+        T: Send + 'static,
+    {
+        Box::new(Delay::new(Instant::now() + Duration::from_millis(100)).map(move |_| x))
+    }
+
+    let mut runtime = Runtime::new().unwrap();
+    assert_eq!(runtime.block_on(after_1s(42)).unwrap(), 42);
+    runtime.shutdown_on_idle().wait().unwrap();
+}
+
+mod from_block_on {
+    use super::*;
+
+    fn test<F>(spawn: F)
+    where
+        F: Fn(Box<Future<Item=(), Error=()> + Send>) + Send + 'static,
+    {
+        let cnt = Arc::new(Mutex::new(0));
+        let c = cnt.clone();
+
+        let mut runtime = Runtime::new().unwrap();
+        let msg = runtime
+            .block_on(lazy(move || {
+                {
+                    let mut x = c.lock().unwrap();
+                    *x = 1 + *x;
+                }
+
+                // Spawn!
+                spawn(Box::new(lazy(move || {
+                    {
+                        let mut x = c.lock().unwrap();
+                        *x = 1 + *x;
+                    }
+                    Ok::<(), ()>(())
+                })));
+
+                Ok::<_, ()>("hello")
+            }))
+            .unwrap();
+
+        runtime.shutdown_on_idle().wait().unwrap();
+        assert_eq!(2, *cnt.lock().unwrap());
+        assert_eq!(msg, "hello");
+    }
+
+    #[test]
+    fn execute() {
+        test(|f| {
+            tokio::executor::DefaultExecutor::current()
+                .execute(f)
+                .unwrap();
+        })
+    }
+
+    #[test]
+    fn spawn() {
+        test(|f| {
+            tokio::spawn(f);
+        })
+    }
+}
+
+#[test]
+fn block_waits() {
+    let (tx, rx) = oneshot::channel();
+
+    thread::spawn(|| {
+        use std::time::Duration;
+        thread::sleep(Duration::from_millis(1000));
+        tx.send(()).unwrap();
+    });
+
+    let cnt = Arc::new(Mutex::new(0));
+    let c = cnt.clone();
+
+    let mut runtime = Runtime::new().unwrap();
+    runtime
+        .block_on(rx.then(move |_| {
+            {
+                let mut x = c.lock().unwrap();
+                *x = 1 + *x;
+            }
+            Ok::<_, ()>(())
+        }))
+        .unwrap();
+
+    assert_eq!(1, *cnt.lock().unwrap());
+    runtime.shutdown_on_idle().wait().unwrap();
+}
+
+mod many {
+    use super::*;
+
+    const ITER: usize = 200;
+    fn test<F>(spawn: F)
+    where
+        F: Fn(&mut Runtime, Box<Future<Item=(), Error=()> + Send>),
+    {
+        let cnt = Arc::new(Mutex::new(0));
+        let mut runtime = Runtime::new().unwrap();
+
+        for _ in 0..ITER {
+            let c = cnt.clone();
+            spawn(&mut runtime, Box::new(lazy(move || {
+                {
+                    let mut x = c.lock().unwrap();
+                    *x = 1 + *x;
+                }
+                Ok::<(), ()>(())
+            })));
+        }
+
+        runtime.shutdown_on_idle().wait().unwrap();
+        assert_eq!(ITER, *cnt.lock().unwrap());
+    }
+
+    #[test]
+    fn spawn() {
+        test(|rt, f| { rt.spawn(f); })
+    }
+
+    #[test]
+    fn execute() {
+        test(|rt, f| {
+            rt.executor()
+                .execute(f)
+                .unwrap();
+        })
+    }
+}
+
+
+mod from_block_on_all {
+    use super::*;
+
+    fn test<F>(spawn: F)
+    where
+        F: Fn(Box<Future<Item=(), Error=()> + Send>) + Send + 'static,
+    {
+        let cnt = Arc::new(Mutex::new(0));
+        let c = cnt.clone();
+
+        let runtime = Runtime::new().unwrap();
+        let msg = runtime
+            .block_on_all(lazy(move || {
+                {
+                    let mut x = c.lock().unwrap();
+                    *x = 1 + *x;
+                }
+
+                // Spawn!
+                spawn(Box::new(lazy(move || {
+                    {
+                        let mut x = c.lock().unwrap();
+                        *x = 1 + *x;
+                    }
+                    Ok::<(), ()>(())
+                })));
+
+                Ok::<_, ()>("hello")
+            }))
+            .unwrap();
+
+        assert_eq!(2, *cnt.lock().unwrap());
+        assert_eq!(msg, "hello");
+    }
+
+    #[test]
+    fn execute() {
+        test(|f| {
+            tokio::executor::DefaultExecutor::current()
+                .execute(f)
+                .unwrap();
+        })
+    }
+
+    #[test]
+    fn spawn() {
+        test(|f| { tokio::spawn(f); })
+    }
+}
+
+#[test]
+fn run_in_run() {
+    use std::panic;
+
+    tokio::run(lazy(|| {
+        panic::catch_unwind(|| {
+            tokio::run(lazy(|| { Ok::<(), ()>(()) }))
+        }).unwrap_err();
+        Ok::<(), ()>(())
+    }));
+}