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-rw-r--r--src/test/ui/run-pass/drop/drop-struct-as-object.rs44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/drop/drop-struct-as-object.rs b/src/test/ui/run-pass/drop/drop-struct-as-object.rs
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+++ b/src/test/ui/run-pass/drop/drop-struct-as-object.rs
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+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Test that destructor on a struct runs successfully after the struct
+// is boxed and converted to an object.
+
+#![feature(box_syntax)]
+
+static mut value: usize = 0;
+
+struct Cat {
+    name : usize,
+}
+
+trait Dummy {
+    fn get(&self) -> usize;
+}
+
+impl Dummy for Cat {
+    fn get(&self) -> usize { self.name }
+}
+
+impl Drop for Cat {
+    fn drop(&mut self) {
+        unsafe { value = self.name; }
+    }
+}
+
+pub fn main() {
+    {
+        let x = box Cat {name: 22};
+        let nyan: Box<Dummy> = x as Box<Dummy>;
+    }
+    unsafe {
+        assert_eq!(value, 22);
+    }
+}