CSY/reowolf Changeset - 8fc9f53cc0f5 · Centrum Wiskunde & Informatica (CWI)

Changeset - 8fc9f53cc0f5

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Christopher Esterhuyse - 5 years ago 2020-02-06 14:54:55
christopheresterhuyse@gmail.com

more tests

2 files changed with 376 insertions and 282 deletions:

src/runtime/communication.rs

src/test/connector.rs

363

279

0 comments (0 inline, 0 general)

src/runtime/communication.rs

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Show inline comments

@@ @@ -4,8 +4,8 @@ use crate::runtime::{actors::*, endpoint::*, errors::*, *}; @@
 impl Controller {
     fn end_round_with_decision(&mut self, decision: Predicate) -> Result<(), SyncErr> {
         log!(&mut self.inner.logger, "ENDING ROUND WITH DECISION! {:?}", &decision);
         let mut table_row = HashMap::default();
         let mut table_row = HashMap::<Key, _>::default();
         // 1. become_mono for Poly actors
         self.inner.mono_n = self
             .ephemeral
             .poly_n
@@ @@ -14,10 +14,20 @@ impl Controller { @@
         self.inner.mono_ps.extend(
             self.ephemeral.poly_ps.drain(..).map(|m| m.become_mono(&decision, &mut table_row)),
         );
         for (ekey, payload) in table_row {
         // convert (Key=>Payload) map to (ChannelId=>Payload) map.
         let table_row: HashMap<_, _> = table_row
             .into_iter()
             .map(|(ekey, msg)| {
                 let channel_id = self.inner.endpoint_exts.get(ekey).unwrap().info.channel_id;
                 (channel_id, msg)
             })
             .collect();
         // log all firing ports
         for (channel_id, payload) in table_row {
             log!(&mut self.inner.logger, "VALUE {:?} => Message({:?})", channel_id, payload);
+        }
         // log all silent ports
         for channel_id in decision.iter_matching(false) {
             log!(&mut self.inner.logger, "VALUE {:?} => *", channel_id);
+        }

src/test/connector.rs

➞

Show inline comments

@@ @@ -2,10 +2,8 @@ extern crate test_generator; @@
 use super::*;
 use std::thread;
 use crate::common::*;
-use crate::runtime::{errors::*, PortBinding::*, *};
 use crate::runtime::{errors::*, PortBinding::*};
 // using a static AtomicU16, shared between all tests in the binary,
 // allocate and return a socketaddr of the form 127.0.0.1:X where X in 7000..
@@ @@ -19,307 +17,376 @@ fn next_addr() -> SocketAddr { @@
     SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), port).into()
+}
 static PDL: &[u8] = b"
 primitive blocked(in i, out o) {
     while(true) synchronous {}
+}
 primitive forward(in i, out o) {
     while(true) synchronous {
         put(o, get(i));
+    }
+}
 primitive sync(in i, out o) {
     while(true) synchronous {
         if (fires(i)) put(o, get(i));
+    }
+}
 primitive alternator_2(in i, out a, out b) {
     while(true) {
         synchronous { put(a, get(i)); }
         synchronous { put(b, get(i)); }
+    }
+}
 composite sync_2(in i, out o) {
     channel x -> y;
     new sync(i, x);
     new sync(y, o);
+}
 composite forward_pair(in ia, out oa, in ib, out ob) {
     new forward(ia, oa);
     new forward(ib, ob);
+}
 primitive forward_nonzero(in i, out o) {
     while(true) synchronous {
         msg m = get(i);
         if(m[0]==0) put(o, m);
+    }
+}
 primitive token_spout(out o) {
     while(true) synchronous {
         put(o, create(0));
+    }
+}
 primitive wait_10(out o) {
     int i = 0;
     while(i < 10) {
         synchronous {}
         i += 1;
+    }
     synchronous { put(o, create(0)); }
+}
 ";
 #[test]
 fn incremental() {
 fn connects_ok() {
     // Test if we can connect natives using the given PDL
     /*
     Alice -->silence--P|A-->silence--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr(), next_addr()];
     let handles = vec![
         thread::spawn(move || {
             let controller_id = 0;
             let mut x = Connector::Unconfigured(Unconfigured { controller_id });
             x.configure(
                 b"primitive main(out a, out b) {
                     synchronous {
                         msg m = create(0);
                         put(a, m);
+                    }
                 }",
                 b"main",
+            )
             .unwrap();
             x.bind_port(0, Passive(addrs[0])).unwrap();
             x.bind_port(1, Passive(addrs[1])).unwrap();
     let addrs = [next_addr()];
     do_all(&[
         &|x| {
             // Alice
             x.configure(PDL, b"blocked").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Passive(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
             assert_eq!(0, x.sync(timeout).unwrap());
             println!("\n---------\nLOG CID={}\n{}", controller_id, x.get_mut_logger().unwrap());
         }),
         thread::spawn(move || {
             let controller_id = 1;
             let mut x = Connector::Unconfigured(Unconfigured { controller_id });
             x.configure(
                 b"primitive main(in a, in b) {
                     synchronous {
                         get(a);
+                    }
                 }",
                 b"main",
+            )
             .unwrap();
         },
         &|x| {
             // Bob
             x.configure(PDL, b"blocked").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
-            x.bind_port(1, Active(addrs[1])).unwrap();
+            x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             assert_eq!(0, x.sync(timeout).unwrap());
             println!("\n---------\nLOG CID={}\n{}", controller_id, x.get_mut_logger().unwrap());
         }),
     ];
     for h in handles {
         handle(h.join())
+    }
         },
     ]);
+}
 #[test]
 fn duo_positive() {
 fn connected_but_silent_natives() {
     // Test if we can connect natives and have a trivial sync round
     /*
     Alice -->silence--P|A-->silence--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr(), next_addr()];
     let a = thread::spawn(move || {
         let controller_id = 0;
         let mut x = Connector::Unconfigured(Unconfigured { controller_id });
         x.configure(
             b"primitive main(out a, out b) {
                 synchronous {}
                 synchronous {}
                 synchronous {
                     msg m = create(0);
                     put(a, m);
+                }
                 synchronous {
                     msg m = create(0);
                     put(b, m);
+                }
             }",
             b"main",
+        )
         .unwrap();
         x.bind_port(0, Passive(addrs[0])).unwrap();
         x.bind_port(1, Passive(addrs[1])).unwrap();
     let addrs = [next_addr()];
     do_all(&[
         &|x| {
             // Alice
             x.configure(PDL, b"blocked").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Passive(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
         assert_eq!(0, x.sync(timeout).unwrap());
         assert_eq!(0, x.sync(timeout).unwrap());
         assert_eq!(0, x.sync(timeout).unwrap());
         assert_eq!(0, x.sync(timeout).unwrap());
         println!("\n---------\nLOG CID={}\n{}", controller_id, x.get_mut_logger().unwrap());
     });
     let b = thread::spawn(move || {
         let controller_id = 1;
         let mut x = Connector::Unconfigured(Unconfigured { controller_id });
         x.configure(
             b"primitive main(in a, in b) {
                 while (true) {
                     synchronous {
                         if (fires(a)) {
                             get(a);
+                        }
+                    }
                     synchronous {
                         if (fires(b)) {
                             get(b);
+                        }
+                    }
+                }
             }",
             b"main",
+        )
         .unwrap();
             assert_eq!(Ok(0), x.sync(timeout));
         },
         &|x| {
             // Bob
             x.configure(PDL, b"blocked").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
-        x.bind_port(1, Active(addrs[1])).unwrap();
+            x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
         assert_eq!(0, x.sync(timeout).unwrap());
         assert_eq!(0, x.sync(timeout).unwrap());
         assert_eq!(0, x.sync(timeout).unwrap());
         assert_eq!(0, x.sync(timeout).unwrap());
         println!("\n---------\nLOG CID={}\n{}", controller_id, x.get_mut_logger().unwrap());
     });
     handle(a.join());
     handle(b.join());
             assert_eq!(Ok(0), x.sync(timeout));
         },
     ]);
+}
 #[test]
 fn duo_negative() {
     let timeout = Duration::from_millis(500);
     let addrs = [next_addr(), next_addr()];
     let a = thread::spawn(move || {
         let controller_id = 0;
         let mut x = Connector::Unconfigured(Unconfigured { controller_id });
         x.configure(
             b"primitive main(out a, out b) {
                 synchronous {}
                 synchronous {
                     msg m = create(0);
                     put(a, m); // fires a on second round
+                }
             }",
             b"main",
+        )
         .unwrap();
         x.bind_port(0, Passive(addrs[0])).unwrap();
         x.bind_port(1, Passive(addrs[1])).unwrap();
 fn self_forward_ok() {
     // Test a deterministic system
     // where a native has no network bindings
     // and sends messages to itself
     /*
         /-->\
     Alice   forward
         \<--/
     */
     let timeout = Duration::from_millis(1_500);
     const N: usize = 5;
     static MSG: &[u8] = b"Echo!";
     do_all(&[
         //
         &|x| {
             // Alice
             x.configure(PDL, b"forward").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
         assert_eq!(0, x.sync(timeout).unwrap());
         let r = x.sync(timeout);
         println!("\n---------\nLOG CID={}\n{}", controller_id, x.get_mut_logger().unwrap());
         match r {
             Err(SyncErr::Timeout) => {}
             x => unreachable!("{:?}", x),
+        }
     });
     let b = thread::spawn(move || {
         let controller_id = 1;
         let mut x = Connector::Unconfigured(Unconfigured { controller_id });
         x.configure(
             b"primitive main(in a, in b) {
                 while (true) {
                     synchronous {
                         if (fires(a)) {
                             get(a);
+                        }
             for _ in 0..N {
                 x.put(0, MSG.to_vec()).unwrap();
                 x.get(1).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(MSG), x.read_gotten(1));
+            }
                     synchronous {
                         if (fires(b)) { // never fire a on even round
                             get(b);
         },
     ]);
+}
 #[test]
 fn token_spout_ok() {
     // Test a deterministic system where the proto
     // creates token messages
     /*
     Alice<--token_spout
     */
     let timeout = Duration::from_millis(1_500);
     const N: usize = 5;
     do_all(&[
         //
         &|x| {
             // Alice
             x.configure(PDL, b"token_spout").unwrap();
             x.bind_port(0, Native).unwrap();
             x.connect(timeout).unwrap();
             for _ in 0..N {
                 x.get(0).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(&[] as &[u8]), x.read_gotten(0));
+            }
         },
     ]);
+}
             }",
             b"main",
+        )
         .unwrap();
         x.bind_port(0, Active(addrs[0])).unwrap();
         x.bind_port(1, Active(addrs[1])).unwrap();
 #[test]
 fn waiter_ok() {
     // Test a stateful proto that blocks port 0 for 10 rounds
     // and then sends a single token on the 11th
     /*
     Alice<--token_spout
     */
     let timeout = Duration::from_millis(1_500);
     do_all(&[
         //
         &|x| {
             // Alice
             x.configure(PDL, b"wait_10").unwrap();
             x.bind_port(0, Native).unwrap();
             x.connect(timeout).unwrap();
         assert_eq!(0, x.sync(timeout).unwrap());
         let r = x.sync(timeout);
         println!("\n---------\nLOG CID={}\n{}", controller_id, x.get_mut_logger().unwrap());
         match r {
             Err(SyncErr::Timeout) => {}
             x => unreachable!("{:?}", x),
             for _ in 0..10 {
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0));
+            }
     });
     handle(a.join());
     handle(b.join());
             x.get(0).unwrap();
             assert_eq!(Ok(0), x.sync(timeout));
             assert_eq!(Ok(&[] as &[u8]), x.read_gotten(0));
         },
     ]);
+}
 static FORWARD: &[u8] = b"
 primitive forward(in i, out o) {
     while(true) synchronous {
         put(o, get(i));
 #[test]
 fn self_forward_timeout() {
     // Test a deterministic system
     // where a native has no network bindings
     // and sends messages to itself
     /*
         /-->\
     Alice   forward
         \<--/
     */
     let timeout = Duration::from_millis(500);
     static MSG: &[u8] = b"Echo!";
     do_all(&[
         //
         &|x| {
             // Sender
             x.configure(PDL, b"forward").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             x.put(0, MSG.to_vec()).unwrap();
             // native and forward components cannot find a solution
             assert_eq!(Err(SyncErr::Timeout), x.sync(timeout));
         },
     ]);
+}
 }";
 #[test]
 fn connect_natives() {
 fn forward_det() {
     // Test if a deterministic protocol and natives can pass one message
     /*
     Alice -->forward--P|A-->forward--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr()];
     const N: usize = 5;
     static MSG: &[u8] = b"Hello!";
     do_all(&[
         &|x| {
-            x.configure(FORWARD, b"forward").unwrap();
+            x.configure(PDL, b"forward").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Passive(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
             assert_eq!(0, x.sync(timeout).unwrap());
             for _ in 0..N {
                 x.put(0, MSG.to_vec()).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
+            }
         },
         &|x| {
-            x.configure(FORWARD, b"forward").unwrap();
+            x.configure(PDL, b"forward").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             assert_eq!(0, x.sync(timeout).unwrap());
             for _ in 0..N {
                 x.get(0).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(MSG), x.read_gotten(0));
+            }
         },
     ]);
+}
 #[test]
 fn forward() {
 fn nondet_proto_det_natives() {
     // Test the use of a nondeterministic protocol
     // where Alice decides the choice and the others conform
     /*
     Alice -->sync--A|P-->sync--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr()];
     const N: usize = 5;
     static MSG: &[u8] = b"Message, here!";
     do_all(&[
         //
         &|x| {
             x.configure(FORWARD, b"forward").unwrap();
             // Alice
             x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Native).unwrap();
-            x.bind_port(1, Passive(addrs[0])).unwrap();
+            x.bind_port(1, Active(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
             let msg = b"HELLO!".to_vec();
             x.put(0, msg).unwrap();
             for _i in 0..N {
                 x.put(0, MSG.to_vec()).unwrap();
                 assert_eq!(0, x.sync(timeout).unwrap());
+            }
         },
         &|x| {
             x.configure(FORWARD, b"forward").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
             // Bob
             x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Passive(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             let expect = b"HELLO!".to_vec();
             for _i in 0..N {
                 x.get(0).unwrap();
             assert_eq!(0, x.sync(timeout).unwrap());
             assert_eq!(expect, x.read_gotten(0).unwrap());
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(MSG), x.read_gotten(0));
+            }
         },
     ]);
+}
 static SYNC: &[u8] = b"
 primitive sync(in i, out o) {
     while(true) synchronous {
         if (fires(i)) put(o, get(i));
+    }
 }";
 #[test]
 fn native_alt() {
 fn putter_determines() {
     // putter and getter
     /*
     Alice -->sync--A|P-->sync--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr()];
     const N: usize = 3;
     static MSG: &[u8] = b"Hidey ho!";
     do_all(&[
         //
         &|x| {
             x.configure(SYNC, b"sync").unwrap();
             // Alice
             x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Active(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
             let msg = b"HI".to_vec();
             for _i in 0..N {
                 // round _i*2: batches: [0=>*]
                 assert_eq!(0, x.sync(timeout).unwrap());
                 // round _i*2+1: batches: [0=>HI]
                 x.put(0, msg.clone()).unwrap();
                 x.put(0, MSG.to_vec()).unwrap();
                 assert_eq!(0, x.sync(timeout).unwrap());
+            }
         },
         &|x| {
             x.configure(SYNC, b"sync").unwrap();
             // Bob
             x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Passive(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             let expect = b"HI".to_vec();
             for _i in 0..(2 * N) {
                 // round _i batches:[0=>*, 0=>HI]
                 x.next_batch().unwrap();
             for _i in 0..N {
                 // batches [{0=>*}, {0=>?}]
                 x.get(0).unwrap();
                 match x.sync(timeout).unwrap() {
 => assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0)),
 => assert_eq!(Ok(&expect[..]), x.read_gotten(0)),
                     _ => unreachable!(),
+                }
                 x.next_batch().unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(MSG), x.read_gotten(0));
+            }
         },
     ]);
+}
 static ALTERNATOR_2: &[u8] = b"
 primitive alternator_2(in i, out a, out b) {
     while(true) {
         synchronous { put(a, get(i)); }
         synchronous { put(b, get(i)); }
 #[test]
 fn getter_determines() {
     // putter and getter
     /*
     Alice -->sync--A|P-->sync--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr()];
     const N: usize = 5;
     static MSG: &[u8] = b"Hidey ho!";
     do_all(&[
         //
         &|x| {
             // Alice
             x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Active(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
             for _i in 0..N {
                 // batches [{0=>?}, {0=>*}]
                 x.put(0, MSG.to_vec()).unwrap();
                 x.next_batch().unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
+            }
         },
         &|x| {
             // Bob
             x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Passive(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             for _i in 0..N {
                 x.get(0).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(MSG), x.read_gotten(0));
+            }
         },
     ]);
+}
 }";
 #[test]
 fn alternator_2() {
     // Test a deterministic system which
     // alternates sending Sender's messages to A or B
     /*                    /--|-->A
     Sender -->alternator_2
                           \--|-->B
@@ @@ -327,11 +394,12 @@ fn alternator_2() { @@
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr(), next_addr()];
     const N: usize = 5;
     static MSG: &[u8] = b"message";
     do_all(&[
         //
         &|x| {
             // Sender
-            x.configure(ALTERNATOR_2, b"alternator_2").unwrap();
+            x.configure(PDL, b"alternator_2").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Passive(addrs[0])).unwrap();
             x.bind_port(2, Passive(addrs[1])).unwrap();
@@ @@ -339,24 +407,22 @@ fn alternator_2() { @@
             for _ in 0..N {
                 for _ in 0..2 {
-                    x.put(0, b"hey".to_vec()).unwrap();
+                    x.put(0, MSG.to_vec()).unwrap();
                     assert_eq!(0, x.sync(timeout).unwrap());
+                }
+            }
         },
         &|x| {
             // A
-            x.configure(SYNC, b"sync").unwrap();
+            x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             let expecting: &[u8] = b"hey";
             for _ in 0..N {
                 // get msg round
                 x.get(0).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout)); // GET ONE
-                assert_eq!(Ok(expecting), x.read_gotten(0));
+                assert_eq!(Ok(MSG), x.read_gotten(0));
                 // silent round
                 assert_eq!(Ok(0), x.sync(timeout)); // MISS ONE
@@ @@ -365,11 +431,10 @@ fn alternator_2() { @@
         },
         &|x| {
             // B
-            x.configure(SYNC, b"sync").unwrap();
+            x.configure(PDL, b"sync").unwrap();
             x.bind_port(0, Active(addrs[1])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             let expecting: &[u8] = b"hey";
             for _ in 0..N {
                 // silent round
@@ @@ -379,38 +444,28 @@ fn alternator_2() { @@
                 // get msg round
                 x.get(0).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout)); // GET ONE
-                assert_eq!(Ok(expecting), x.read_gotten(0));
+                assert_eq!(Ok(MSG), x.read_gotten(0));
+            }
         },
     ]);
+}
 static CHAIN: &[u8] = b"
 primitive sync(in i, out o) {
     while(true) synchronous {
         if (fires(i)) put(o, get(i));
+    }
+}
 composite sync_2(in i, out o) {
     channel x -> y;
     new sync(i, x);
     new sync(y, o);
 }";
 #[test]
 // PANIC TODO: eval::1536
 fn composite_chain() {
     // Check if composition works. Forward messages through long chains
     /*
     Alice -->sync-->sync-->A|P-->sync-->sync--> Bob
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr(), next_addr()];
     const N: usize = 1;
-    static MSG: &[u8] = b"Hi, there.";
+    static MSG: &[u8] = b"Hippity Hoppity";
     do_all(&[
         //
         &|x| {
             // Alice
-            x.configure(CHAIN, b"sync_2").unwrap();
+            x.configure(PDL, b"sync_2").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Active(addrs[0])).unwrap();
             x.connect(timeout).unwrap();
@@ @@ -421,7 +476,7 @@ fn composite_chain() { @@
         },
         &|x| {
             // Bob
-            x.configure(CHAIN, b"sync_2").unwrap();
+            x.configure(PDL, b"sync_2").unwrap();
             x.bind_port(0, Passive(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
@@ @@ -435,81 +490,110 @@ fn composite_chain() { @@
     ]);
+}
 static PARITY_ROUTER: &[u8] = b"
 primitive parity_router(in i, out odd, out even) {
     while(true) synchronous {
         msg m = get(i);
         if (m[0]%2==0) {
             put(even, m);
         } else {
             put(odd, m);
 #[test]
 // PANIC TODO: eval::1605
 fn exchange() {
     /*
         /-->forward-->P|A-->forward-->\
     Alice                             Bob
         \<--forward<--P|A<--forward<--/
     */
     let timeout = Duration::from_millis(1_500);
     let addrs = [next_addr(), next_addr()];
     const N: usize = 1;
     do_all(&[
         //
         &|x| {
             // Alice
             x.configure(PDL, b"forward_pair").unwrap();
             x.bind_port(0, Native).unwrap(); // native in
             x.bind_port(1, Passive(addrs[0])).unwrap(); // peer out
             x.bind_port(2, Passive(addrs[1])).unwrap(); // peer in
             x.bind_port(3, Native).unwrap(); // native out
             x.connect(timeout).unwrap();
             for _ in 0..N {
                 x.put(0, b"A->B".to_vec()).unwrap();
                 x.get(1).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(b"B->A" as &[u8]), x.read_gotten(0));
+            }
         },
         &|x| {
             // Bob
             x.configure(PDL, b"forward_pair").unwrap();
             x.bind_port(0, Native).unwrap(); // native in
             x.bind_port(1, Active(addrs[1])).unwrap(); // peer out
             x.bind_port(2, Active(addrs[0])).unwrap(); // peer in
             x.bind_port(3, Native).unwrap(); // native out
             x.connect(timeout).unwrap();
             for _ in 0..N {
                 x.put(0, b"B->A".to_vec()).unwrap();
                 x.get(1).unwrap();
                 assert_eq!(Ok(0), x.sync(timeout));
                 assert_eq!(Ok(b"A->B" as &[u8]), x.read_gotten(0));
+            }
         },
     ]);
+}
 }";
 #[test]
 // THIS DOES NOT YET WORK. TODOS are hit
 fn parity_router() {
     /*                    /--|-->Getsodd
     Sender -->parity_router
                           \--|-->Getseven
 fn filter_messages() {
     // Make a protocol whose behavior depends on the contents of messages
     // Getter prohibits the receipt of messages of the form [0, ...].
     // those messages are silent
     /*
     Sender -->forward-->P|A-->forward_nonzero--> Receiver
     */
     let timeout = Duration::from_millis(1_500);
-    let addrs = [next_addr(), next_addr()];
     let addrs = [next_addr()];
     const N: usize = 1;
     do_all(&[
         //
         &|x| {
             // Sender
-            x.configure(PARITY_ROUTER, b"parity_router").unwrap();
+            x.configure(PDL, b"forward").unwrap();
             x.bind_port(0, Native).unwrap();
             x.bind_port(1, Passive(addrs[0])).unwrap();
             x.bind_port(2, Passive(addrs[1])).unwrap();
             x.connect(timeout).unwrap();
             for i in 0..N {
                 let msg = vec![i as u8]; // messages [0], [1], [2], ...
                 x.put(0, msg).unwrap();
                 assert_eq!(0, x.sync(timeout).unwrap());
+            }
         },
         &|x| {
             // Getsodd
             x.configure(FORWARD, b"forward").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             for _ in 0..N {
                 // round _i batches:[0=>*, 0=>?]
             for i in (0..3).cycle().take(N) {
                 let msg = vec![i as u8]; // messages [0], [1], [2], [0], [1] ...
                                          // batches: [{0=>*}, {0=>?}]
                 x.next_batch().unwrap();
                 x.get(0).unwrap();
                 x.put(0, msg.clone()).unwrap();
                 assert_eq!(0, x.sync(timeout).unwrap());
                 match x.sync(timeout).unwrap() {
 => assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0)),
 => {
                         // not sent
                         assert_eq!(&msg, &[0u8]);
+                    }
 => {
                         let msg = x.read_gotten(0).unwrap();
                         assert!(msg[0] % 2 == 1); // assert msg is odd
                         // sent
                         assert_ne!(&msg, &[0u8]);
+                    }
                     _ => unreachable!(),
+                }
+            }
         },
         &|x| {
             // Getseven
             x.configure(FORWARD, b"forward").unwrap();
             x.bind_port(0, Active(addrs[1])).unwrap();
             // Receiver
             x.configure(PDL, b"forward_nonzero").unwrap();
             x.bind_port(0, Active(addrs[0])).unwrap();
             x.bind_port(1, Native).unwrap();
             x.connect(timeout).unwrap();
             for _ in 0..N {
                 // round _i batches:[0=>*, 0=>?]
                 x.next_batch().unwrap();
                 x.get(0).unwrap();
                 match x.sync(timeout).unwrap() {
 => assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0)),
 => {
                         // nothing received
                         assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0));
+                    }
 => {
                         let msg = x.read_gotten(0).unwrap();
                         assert!(msg[0] % 2 == 0); // assert msg is even
                         // msg received
                         assert_ne!(&[0u8], x.read_gotten(0).unwrap());
+                    }
                     _ => unreachable!(),
+                }

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