Add a regression test for channels of nil, which happens to work in rustc, but not in rustboot

1 files changed, 17 insertions, 0 deletions

diff --git a/src/test/run-pass/task-comm-chan-nil.rs b/src/test/run-pass/task-comm-chan-nil.rs
new file mode 100644
index 00000000..c8f5a90f
--- /dev/null
+++ b/src/test/run-pass/task-comm-chan-nil.rs
@@ -0,0 +1,17 @@
+// -*- rust -*-
+
+// rustboot can't transmit nils across channels because they don't have
+// any size, but rustc currently can because they do have size. Whether
+// or not this is desirable I don't know, but here's a regression test.
+
+impure fn main() {
+  let port[()] po = port();
+  let chan[()] ch = chan(po);
+
+  ch <| ();
+
+  let () n;
+  n <- po;
+
+  check (n == ());
+}