2012-12-10 19:32:48 -06:00
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// Copyright 2012 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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2010-08-27 15:27:28 -05:00
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2011-06-15 13:19:50 -05:00
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// -*- rust -*-
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2012-01-19 20:31:08 -06:00
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enum t { make_t(@int), clam, }
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2010-08-27 15:27:28 -05:00
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2011-08-31 17:23:34 -05:00
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fn foo(s: @int) {
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2013-01-07 20:54:28 -06:00
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let count = ::core::sys::refcount(s);
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2011-07-27 07:19:39 -05:00
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let x: t = make_t(s); // ref up
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2010-08-27 15:27:28 -05:00
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2012-08-06 14:34:08 -05:00
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match x {
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2012-08-03 21:59:04 -05:00
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make_t(y) => {
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2013-03-08 14:39:42 -06:00
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debug!("%?", y); // ref up then down
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2010-08-27 15:27:28 -05:00
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2011-07-27 07:19:39 -05:00
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}
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2013-02-11 21:26:38 -06:00
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_ => { debug!("?"); fail!(); }
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2011-06-15 13:19:50 -05:00
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}
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2013-03-08 14:39:42 -06:00
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debug!(::core::sys::refcount(s));
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2013-04-26 16:04:39 -05:00
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assert_eq!(::core::sys::refcount(s), count + 1u);
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2013-01-07 20:54:28 -06:00
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let _ = ::core::sys::refcount(s); // don't get bitten by last-use.
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2010-08-27 15:48:45 -05:00
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}
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2013-02-01 21:43:17 -06:00
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pub fn main() {
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2011-08-31 17:23:34 -05:00
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let s: @int = @0; // ref up
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2011-06-15 13:19:50 -05:00
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2013-01-07 20:54:28 -06:00
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let count = ::core::sys::refcount(s);
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2012-06-04 12:44:19 -05:00
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2011-06-15 13:19:50 -05:00
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foo(s); // ref up then down
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2013-03-08 14:39:42 -06:00
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debug!("%u", ::core::sys::refcount(s));
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2013-01-07 20:54:28 -06:00
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let count2 = ::core::sys::refcount(s);
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let _ = ::core::sys::refcount(s); // don't get bitten by last-use.
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2013-04-26 16:04:39 -05:00
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assert_eq!(count, count2);
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2011-08-19 17:16:48 -05:00
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}
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