1 // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! Test for `boxed` mod.
15 use core::result::Result::{Ok, Err};
16 use core::clone::Clone;
22 fn test_owned_clone() {
24 let b: Box<i32> = a.clone();
28 #[derive(PartialEq, Eq)]
33 let a = Box::new(8) as Box<Any>;
34 let b = Box::new(Test) as Box<Any>;
36 match a.downcast::<i32>() {
38 assert!(a == Box::new(8));
42 match b.downcast::<Test>() {
44 assert!(a == Box::new(Test));
49 let a = Box::new(8) as Box<Any>;
50 let b = Box::new(Test) as Box<Any>;
52 assert!(a.downcast::<Box<Test>>().is_err());
53 assert!(b.downcast::<Box<i32>>().is_err());
58 let a = Box::new(8) as Box<Any>;
59 let b = Box::new(Test) as Box<Any>;
60 let a_str = format!("{:?}", a);
61 let b_str = format!("{:?}", b);
62 assert_eq!(a_str, "Any");
63 assert_eq!(b_str, "Any");
65 static EIGHT: usize = 8;
66 static TEST: Test = Test;
67 let a = &EIGHT as &Any;
68 let b = &TEST as &Any;
69 let s = format!("{:?}", a);
71 let s = format!("{:?}", b);
77 fn homura<T: Deref<Target = i32>>(_: T) {
79 homura(Box::new(765));
85 let p = Box::into_raw(x);
89 let y = Box::from_raw(p);
98 fn set(&mut self, value: u32);
104 fn get(&self) -> u32 {
108 fn set(&mut self, value: u32) {
113 let x: Box<Foo> = Box::new(Bar(17));
114 let p = Box::into_raw(x);
116 assert_eq!(17, (*p).get());
118 let y: Box<Foo> = Box::from_raw(p);
119 assert_eq!(19, y.get());