1 // Copyright 2014 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 use std::cell::RefCell;
13 use std::strbuf::StrBuf;
22 assert_eq!(Rc::new(5u).to_uint(), Some(5));
23 assert_eq!((~&~&Rc::new(~~&~5u)).to_uint(), Some(5));
24 let point = Rc::new(Point {x: 2, y: 4});
25 assert_eq!(point.x, 2);
26 assert_eq!(point.y, 4);
28 let i = Rc::new(RefCell::new(2));
29 let i_value = *i.borrow();
31 assert_eq!((i_value, *i.borrow()), (2, 5));
33 let s = Rc::new("foo".to_owned());
34 assert!(s.equiv(&("foo")));
35 assert_eq!(s.as_slice(), "foo");
37 let mut_s = Rc::new(RefCell::new(StrBuf::from_str("foo")));
38 mut_s.borrow_mut().push_str("bar");
39 // HACK assert_eq! would fail here because it stores the LHS and RHS in two locals.
40 assert!(mut_s.borrow().as_slice() == "foobar");
41 assert!(mut_s.borrow_mut().as_slice() == "foobar");
43 let p = Rc::new(RefCell::new(Point {x: 1, y: 2}));
45 p.borrow_mut().y += 3;
46 assert_eq!(*p.borrow(), Point {x: 3, y: 5});
48 let v = Rc::new(RefCell::new(~[1, 2, 3]));
49 v.borrow_mut()[0] = 3;
50 v.borrow_mut()[1] += 3;
51 assert_eq!((v.borrow()[0], v.borrow()[1], v.borrow()[2]), (3, 5, 3));