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-rw-r--r--src/test/ui/builtin-superkinds/builtin-superkinds-capabilities-xc.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-capabilities-xc.rs b/src/test/ui/builtin-superkinds/builtin-superkinds-capabilities-xc.rs
new file mode 100644
index 000000000..8416bb3a3
--- /dev/null
+++ b/src/test/ui/builtin-superkinds/builtin-superkinds-capabilities-xc.rs
@@ -0,0 +1,27 @@
+// run-pass
+// aux-build:trait_superkinds_in_metadata.rs
+
+// Tests "capabilities" granted by traits with super-builtin-kinds,
+// even when using them cross-crate.
+
+
+extern crate trait_superkinds_in_metadata;
+
+use std::sync::mpsc::{channel, Sender, Receiver};
+use trait_superkinds_in_metadata::{RequiresRequiresShareAndSend, RequiresShare};
+
+#[derive(PartialEq, Debug)]
+struct X<T>(T);
+
+impl <T: Sync> RequiresShare for X<T> { }
+impl <T: Sync+Send> RequiresRequiresShareAndSend for X<T> { }
+
+fn foo<T: RequiresRequiresShareAndSend + 'static>(val: T, chan: Sender<T>) {
+ chan.send(val).unwrap();
+}
+
+pub fn main() {
+ let (tx, rx): (Sender<X<isize>>, Receiver<X<isize>>) = channel();
+ foo(X(31337), tx);
+ assert_eq!(rx.recv().unwrap(), X(31337));
+}