872ce47955
here. Some of this may have been poorly rebased, though I tried to be careful and preserve the spirit of the test.
56 lines
1.4 KiB
Rust
56 lines
1.4 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![allow(unknown_features)]
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#![feature(box_syntax)]
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struct DroppableStruct;
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enum DroppableEnum {
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DroppableVariant1, DroppableVariant2
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}
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static mut DROPPED: bool = false;
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impl Drop for DroppableStruct {
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fn drop(&mut self) {
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unsafe { DROPPED = true; }
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}
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}
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impl Drop for DroppableEnum {
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fn drop(&mut self) {
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unsafe { DROPPED = true; }
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}
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}
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trait MyTrait { fn dummy(&self) { } }
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impl MyTrait for Box<DroppableStruct> {}
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impl MyTrait for Box<DroppableEnum> {}
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struct Whatever { w: Box<MyTrait+'static> }
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impl Whatever {
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fn new(w: Box<MyTrait+'static>) -> Whatever {
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Whatever { w: w }
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}
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}
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fn main() {
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{
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let f = box DroppableStruct;
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let _a = Whatever::new(box f as Box<MyTrait>);
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}
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assert!(unsafe { DROPPED });
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unsafe { DROPPED = false; }
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{
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let f = box DroppableEnum::DroppableVariant1;
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let _a = Whatever::new(box f as Box<MyTrait>);
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}
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assert!(unsafe { DROPPED });
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}
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