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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/zero-sized/zero-sized-btreemap-insert.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/zero-sized/zero-sized-btreemap-insert.rs')
-rw-r--r-- | tests/ui/zero-sized/zero-sized-btreemap-insert.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/zero-sized/zero-sized-btreemap-insert.rs b/tests/ui/zero-sized/zero-sized-btreemap-insert.rs new file mode 100644 index 000000000..52edb33d6 --- /dev/null +++ b/tests/ui/zero-sized/zero-sized-btreemap-insert.rs @@ -0,0 +1,25 @@ +// run-pass +#![allow(unused_variables)] +#![allow(unused_imports)] +use std::cmp::{Ord, Ordering, PartialOrd}; +use std::collections::BTreeMap; +use std::iter::Iterator; + +#[derive(Eq, Hash, Debug, Ord, PartialEq, PartialOrd)] +struct Zst; + +fn main() { + const N: usize = 8; + + for len in 0..N { + let mut tester = BTreeMap::new(); + assert_eq!(tester.len(), 0); + for bit in 0..len { + tester.insert(Zst, ()); + } + assert_eq!(tester.len(), if len == 0 { 0 } else { 1 }); + assert_eq!(tester.iter().count(), if len == 0 { 0 } else { 1 }); + assert_eq!(tester.get(&Zst).is_some(), len > 0); + tester.clear(); + } +} |