65 lines
1.4 KiB
Rust
65 lines
1.4 KiB
Rust
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// 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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// Test to make sure the destructors run in the right order.
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// Each destructor sets it's tag in the corresponding entry
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// in ORDER matching up to when it ran.
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// Correct order is: matched, inner, outer
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static mut ORDER: [uint, ..3] = [0, 0, 0];
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static mut INDEX: uint = 0;
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struct A;
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impl Drop for A {
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fn drop(&mut self) {
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unsafe {
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ORDER[INDEX] = 1;
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INDEX = INDEX + 1;
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}
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}
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}
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struct B;
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impl Drop for B {
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fn drop(&mut self) {
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unsafe {
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ORDER[INDEX] = 2;
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INDEX = INDEX + 1;
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}
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}
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}
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struct C;
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impl Drop for C {
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fn drop(&mut self) {
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unsafe {
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ORDER[INDEX] = 3;
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INDEX = INDEX + 1;
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}
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}
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}
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fn main() {
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{
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let matched = A;
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let _outer = C;
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{
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match matched {
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_s => {}
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}
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let _inner = B;
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}
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}
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unsafe {
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assert_eq!(&[1, 2, 3], ORDER.as_slice());
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}
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}
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