1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/default-associated-types.rs b/src/test/ui/associated-types/default-associated-types.rs
new file mode 100644
index 000000000..aae70bffa
--- /dev/null
+++ b/src/test/ui/associated-types/default-associated-types.rs
@@ -0,0 +1,23 @@
+// run-pass
+
+#![feature(associated_type_defaults)]
+
+trait Foo<T: Default + ToString> {
+    type Out: Default + ToString = T;
+}
+
+impl Foo<u32> for () {
+}
+
+impl Foo<u64> for () {
+    type Out = bool;
+}
+
+fn main() {
+    assert_eq!(
+        <() as Foo<u32>>::Out::default().to_string(),
+        "0");
+    assert_eq!(
+        <() as Foo<u64>>::Out::default().to_string(),
+        "false");
+}