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-rw-r--r--tests/ui/structs-enums/resource-in-struct.rs37
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/resource-in-struct.rs b/tests/ui/structs-enums/resource-in-struct.rs
new file mode 100644
index 000000000..9613ca62a
--- /dev/null
+++ b/tests/ui/structs-enums/resource-in-struct.rs
@@ -0,0 +1,37 @@
+// run-pass
+#![allow(non_camel_case_types)]
+
+// Ensures that class dtors run if the object is inside an enum
+// variant
+
+use std::cell::Cell;
+
+type closable<'a> = &'a Cell<bool>;
+
+struct close_res<'a> {
+ i: closable<'a>,
+
+}
+
+impl<'a> Drop for close_res<'a> {
+ fn drop(&mut self) {
+ self.i.set(false);
+ }
+}
+
+fn close_res(i: closable) -> close_res {
+ close_res {
+ i: i
+ }
+}
+
+enum option<T> { none, some(#[allow(unused_tuple_struct_fields)] T), }
+
+fn sink(_res: option<close_res>) { }
+
+pub fn main() {
+ let c = &Cell::new(true);
+ sink(option::none);
+ sink(option::some(close_res(c)));
+ assert!(!c.get());
+}