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deque: add get_mut test.

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This commit is contained in:
Dario Nieuwenhuis 2024-06-30 23:59:13 +02:00
parent 66fb0242e3
commit 0234ca6074
1 changed files with 21 additions and 0 deletions
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21
src/deque.rs
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@ -1182,4 +1182,25 @@ mod tests {
assert_eq!(q.get(2), Some(&3));
assert_eq!(q.get(3), Some(&4));
}
#[test]
fn get_mut() {
let mut q: Deque<i32, 4> = Deque::new();
assert_eq!(q.get(0), None);
q.push_back(0).unwrap();
assert_eq!(q.get_mut(0), Some(&mut 0));
assert_eq!(q.get_mut(1), None);
q.push_back(1).unwrap();
assert_eq!(q.get_mut(0), Some(&mut 0));
assert_eq!(q.get_mut(1), Some(&mut 1));
assert_eq!(q.get_mut(2), None);
*q.get_mut(0).unwrap() = 42;
*q.get_mut(1).unwrap() = 43;
assert_eq!(q.pop_front(), Some(42));
assert_eq!(q.pop_front(), Some(43));
assert_eq!(q.pop_front(), None);
}
}