diff options
Diffstat (limited to 'tests/ui/threads-sendsync/send_str_treemap.rs')
-rw-r--r-- | tests/ui/threads-sendsync/send_str_treemap.rs | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/ui/threads-sendsync/send_str_treemap.rs b/tests/ui/threads-sendsync/send_str_treemap.rs new file mode 100644 index 000000000..4d4631745 --- /dev/null +++ b/tests/ui/threads-sendsync/send_str_treemap.rs @@ -0,0 +1,58 @@ +// run-pass +use std::collections::BTreeMap; +use std::borrow::Cow; + +use std::borrow::Cow::{Owned as O, Borrowed as B}; + +type SendStr = Cow<'static, str>; + +fn main() { + let mut map: BTreeMap<SendStr, usize> = BTreeMap::new(); + assert!(map.insert(B("foo"), 42).is_none()); + assert!(map.insert(O("foo".to_string()), 42).is_some()); + assert!(map.insert(B("foo"), 42).is_some()); + assert!(map.insert(O("foo".to_string()), 42).is_some()); + + assert!(map.insert(B("foo"), 43).is_some()); + assert!(map.insert(O("foo".to_string()), 44).is_some()); + assert!(map.insert(B("foo"), 45).is_some()); + assert!(map.insert(O("foo".to_string()), 46).is_some()); + + let v = 46; + + assert_eq!(map.get(&O("foo".to_string())), Some(&v)); + assert_eq!(map.get(&B("foo")), Some(&v)); + + let (a, b, c, d) = (50, 51, 52, 53); + + assert!(map.insert(B("abc"), a).is_none()); + assert!(map.insert(O("bcd".to_string()), b).is_none()); + assert!(map.insert(B("cde"), c).is_none()); + assert!(map.insert(O("def".to_string()), d).is_none()); + + assert!(map.insert(B("abc"), a).is_some()); + assert!(map.insert(O("bcd".to_string()), b).is_some()); + assert!(map.insert(B("cde"), c).is_some()); + assert!(map.insert(O("def".to_string()), d).is_some()); + + assert!(map.insert(O("abc".to_string()), a).is_some()); + assert!(map.insert(B("bcd"), b).is_some()); + assert!(map.insert(O("cde".to_string()), c).is_some()); + assert!(map.insert(B("def"), d).is_some()); + + assert_eq!(map.get(&B("abc")), Some(&a)); + assert_eq!(map.get(&B("bcd")), Some(&b)); + assert_eq!(map.get(&B("cde")), Some(&c)); + assert_eq!(map.get(&B("def")), Some(&d)); + + assert_eq!(map.get(&O("abc".to_string())), Some(&a)); + assert_eq!(map.get(&O("bcd".to_string())), Some(&b)); + assert_eq!(map.get(&O("cde".to_string())), Some(&c)); + assert_eq!(map.get(&O("def".to_string())), Some(&d)); + + assert!(map.remove(&B("foo")).is_some()); + assert_eq!(map.into_iter().map(|(k, v)| format!("{}{}", k, v)) + .collect::<Vec<String>>() + .concat(), + "abc50bcd51cde52def53".to_string()); +} |