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Add another test case for #79808

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Taken from #80293.
This commit is contained in:
Yuki Okushi 2021-01-11 12:10:16 +09:00
parent c97f11af7b
commit 39e1331cfa
1 changed files with 15 additions and 0 deletions
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15
library/alloc/src/collections/vec_deque/tests.rs
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@ -224,6 +224,21 @@ fn make_contiguous_head_to_end() {
assert_eq!((&['A', 'B', 'C'] as &[_], &[] as &[_]), dq.as_slices()); assert_eq!((&['A', 'B', 'C'] as &[_], &[] as &[_]), dq.as_slices());
} }
#[test]
fn make_contiguous_head_to_end_2() {
// Another test case for #79808, taken from #80293.
let mut dq = VecDeque::from_iter(0..6);
dq.pop_front();
dq.pop_front();
dq.push_back(6);
dq.push_back(7);
dq.push_back(8);
dq.make_contiguous();
let collected: Vec<_> = dq.iter().copied().collect();
assert_eq!(dq.as_slices(), (&collected[..], &[] as &[_]));
}
#[test] #[test]
fn test_remove() { fn test_remove() {
// This test checks that every single combination of tail position, length, and // This test checks that every single combination of tail position, length, and