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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/threads-sendsync/send_str_hashmap.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/threads-sendsync/send_str_hashmap.rs | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/test/ui/threads-sendsync/send_str_hashmap.rs b/src/test/ui/threads-sendsync/send_str_hashmap.rs new file mode 100644 index 000000000..7d4cca8ad --- /dev/null +++ b/src/test/ui/threads-sendsync/send_str_hashmap.rs @@ -0,0 +1,53 @@ +// run-pass +use std::collections::HashMap; +use std::borrow::Cow; + +use std::borrow::Cow::Borrowed as B; +use std::borrow::Cow::Owned as O; + +type SendStr = Cow<'static, str>; + +fn main() { + let mut map: HashMap<SendStr, usize> = HashMap::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("abc"), Some(&a)); + assert_eq!(map.get("bcd"), Some(&b)); + assert_eq!(map.get("cde"), Some(&c)); + assert_eq!(map.get("def"), Some(&d)); + + 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)); +} |