]> git.proxmox.com Git - rustc.git/blame - src/test/run-pass/send_str_hashmap.rs
Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / test / run-pass / send_str_hashmap.rs
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1// Copyright 2013 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.
4//
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.
10
1a4d82fc 11use std::collections::HashMap;
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12use std::borrow::Cow;
13
14use std::borrow::Cow::Borrowed as B;
15use std::borrow::Cow::Owned as O;
1a4d82fc 16
85aaf69f 17type SendStr = Cow<'static, str>;
1a4d82fc 18
54a0048b 19fn main() {
c34b1796 20 let mut map: HashMap<SendStr, usize> = HashMap::new();
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21 assert!(map.insert(B("foo"), 42).is_none());
22 assert!(map.insert(O("foo".to_string()), 42).is_some());
23 assert!(map.insert(B("foo"), 42).is_some());
24 assert!(map.insert(O("foo".to_string()), 42).is_some());
1a4d82fc 25
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26 assert!(map.insert(B("foo"), 43).is_some());
27 assert!(map.insert(O("foo".to_string()), 44).is_some());
28 assert!(map.insert(B("foo"), 45).is_some());
29 assert!(map.insert(O("foo".to_string()), 46).is_some());
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30
31 let v = 46;
32
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33 assert_eq!(map.get(&O("foo".to_string())), Some(&v));
34 assert_eq!(map.get(&B("foo")), Some(&v));
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35
36 let (a, b, c, d) = (50, 51, 52, 53);
37
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38 assert!(map.insert(B("abc"), a).is_none());
39 assert!(map.insert(O("bcd".to_string()), b).is_none());
40 assert!(map.insert(B("cde"), c).is_none());
41 assert!(map.insert(O("def".to_string()), d).is_none());
1a4d82fc 42
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43 assert!(map.insert(B("abc"), a).is_some());
44 assert!(map.insert(O("bcd".to_string()), b).is_some());
45 assert!(map.insert(B("cde"), c).is_some());
46 assert!(map.insert(O("def".to_string()), d).is_some());
1a4d82fc 47
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48 assert!(map.insert(O("abc".to_string()), a).is_some());
49 assert!(map.insert(B("bcd"), b).is_some());
50 assert!(map.insert(O("cde".to_string()), c).is_some());
51 assert!(map.insert(B("def"), d).is_some());
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52
53 assert_eq!(map.get("abc"), Some(&a));
54 assert_eq!(map.get("bcd"), Some(&b));
55 assert_eq!(map.get("cde"), Some(&c));
56 assert_eq!(map.get("def"), Some(&d));
57
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58 assert_eq!(map.get(&B("abc")), Some(&a));
59 assert_eq!(map.get(&B("bcd")), Some(&b));
60 assert_eq!(map.get(&B("cde")), Some(&c));
61 assert_eq!(map.get(&B("def")), Some(&d));
1a4d82fc 62}