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Previously test was disabled due to `#[cfg(test)]` before `mod boxed`.
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// Copyright 2012-2015 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. | ||
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//! Test for `boxed` mod. | ||
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use core::any::Any; | ||
use core::ops::Deref; | ||
use core::result::Result::{Ok, Err}; | ||
use core::clone::Clone; | ||
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use std::boxed::Box; | ||
use std::boxed::BoxAny; | ||
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#[test] | ||
fn test_owned_clone() { | ||
let a = Box::new(5i); | ||
let b: Box<int> = a.clone(); | ||
assert!(a == b); | ||
} | ||
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#[derive(PartialEq, Eq)] | ||
struct Test; | ||
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#[test] | ||
fn any_move() { | ||
let a = Box::new(8u) as Box<Any>; | ||
let b = Box::new(Test) as Box<Any>; | ||
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match a.downcast::<uint>() { | ||
Ok(a) => { assert!(a == Box::new(8u)); } | ||
Err(..) => panic!() | ||
} | ||
match b.downcast::<Test>() { | ||
Ok(a) => { assert!(a == Box::new(Test)); } | ||
Err(..) => panic!() | ||
} | ||
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let a = Box::new(8u) as Box<Any>; | ||
let b = Box::new(Test) as Box<Any>; | ||
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assert!(a.downcast::<Box<Test>>().is_err()); | ||
assert!(b.downcast::<Box<uint>>().is_err()); | ||
} | ||
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#[test] | ||
fn test_show() { | ||
let a = Box::new(8u) as Box<Any>; | ||
let b = Box::new(Test) as Box<Any>; | ||
let a_str = format!("{:?}", a); | ||
let b_str = format!("{:?}", b); | ||
assert_eq!(a_str, "Box<Any>"); | ||
assert_eq!(b_str, "Box<Any>"); | ||
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static EIGHT: usize = 8us; | ||
static TEST: Test = Test; | ||
let a = &EIGHT as &Any; | ||
let b = &TEST as &Any; | ||
let s = format!("{:?}", a); | ||
assert_eq!(s, "&Any"); | ||
let s = format!("{:?}", b); | ||
assert_eq!(s, "&Any"); | ||
} | ||
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#[test] | ||
fn deref() { | ||
fn homura<T: Deref<Target=i32>>(_: T) { } | ||
homura(Box::new(765i32)); | ||
} |
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