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// Copyright 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.
#![allow(deprecated)]
use core::finally::{try_finally, Finally};
use std::thread;
#[test]
fn test_success() {
let mut i = 0;
try_finally(
&mut i, (),
|i, ()| {
*i = 10;
},
|i| {
assert!(!thread::panicking());
assert_eq!(*i, 10);
*i = 20;
});
assert_eq!(i, 20);
}
#[test]
#[should_fail]
fn test_fail() {
let mut i = 0;
try_finally(
&mut i, (),
|i, ()| {
*i = 10;
panic!();
},
|i| {
assert!(thread::panicking());
assert_eq!(*i, 10);
})
}
#[test]
fn test_retval() {
let mut closure = || 10;
// FIXME(#16640) `: i32` annotation shouldn't be necessary
let i: i32 = closure.finally(|| { });
assert_eq!(i, 10);
}
#[test]
fn test_compact() {
fn do_some_fallible_work() {}
fn but_always_run_this_function() { }
let mut f = do_some_fallible_work;
f.finally(but_always_run_this_function);
}
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