wip

Author: taiki-e

.github/workflows/ci.yml

@@ -13,8 +13,11 @@ on:
     - cron: '0 1 * * *'
 
 env:
-  RUSTFLAGS: -Dwarnings
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
   RUST_BACKTRACE: 1
+  RUSTFLAGS: -D warnings
+  RUSTUP_MAX_RETRIES: 10
 
 defaults:
   run:

.github/workflows/release.yml

@@ -9,10 +9,6 @@ on:
       - crossbeam-[0-9]+.*
       - crossbeam-[a-z]+-[0-9]+.*
 
-env:
-  RUSTFLAGS: -Dwarnings
-  RUST_BACKTRACE: 1
-
 defaults:
   run:
     shell: bash

crossbeam-channel/tests/list.rs

@@ -558,3 +558,28 @@ fn channel_through_channel() {
     })
     .unwrap();
 }
+
+#[test]
+fn overflow() {
+    let max = u32::max_value() as usize;
+    let (s, r) = unbounded::<()>();
+    for i in 0..max {
+        assert_eq!(s.len(), i);
+        s.send(()).unwrap();
+    }
+    assert_eq!(s.len(), max);
+    s.send(()).unwrap();
+    drop(r);
+    // for _ in 0..max {
+    //     r.recv().unwrap();
+    // }
+    // assert_eq!(
+    //     r.try_recv().unwrap_err(),
+    //     crossbeam_channel::TryRecvError::Empty
+    // );
+    // drop(s);
+    // assert_eq!(
+    //     r.try_recv().unwrap_err(),
+    //     crossbeam_channel::TryRecvError::Disconnected
+    // );
+}