60 lines
1.4 KiB
Rust
60 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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use core::finally::{try_finally, Finally};
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use std::task::failing;
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#[test]
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fn test_success() {
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let mut i = 0i;
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try_finally(
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&mut i, (),
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|i, ()| {
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*i = 10;
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},
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|i| {
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assert!(!failing());
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assert_eq!(*i, 10);
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*i = 20;
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});
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assert_eq!(i, 20);
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}
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#[test]
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#[should_fail]
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fn test_fail() {
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let mut i = 0i;
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try_finally(
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&mut i, (),
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|i, ()| {
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*i = 10;
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panic!();
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},
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|i| {
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assert!(failing());
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assert_eq!(*i, 10);
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})
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}
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#[test]
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fn test_retval() {
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let mut closure = |&mut:| 10i;
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let i = closure.finally(|| { });
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assert_eq!(i, 10);
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}
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#[test]
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fn test_compact() {
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fn do_some_fallible_work() {}
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fn but_always_run_this_function() { }
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let mut f = do_some_fallible_work;
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f.finally(but_always_run_this_function);
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}
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