test DoubleEndedIterator a bit more

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Jorge Aparicio 2019-12-17 11:44:36 +00:00 committed by GitHub
parent 621c1d2f98
commit 57277455a5
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@ -729,6 +729,7 @@ mod tests {
assert_eq!(items.next_back(), Some(&2));
assert_eq!(items.next(), Some(&1));
assert_eq!(items.next(), None);
assert_eq!(items.next_back(), None);
}
#[test]
@ -761,6 +762,7 @@ mod tests {
assert_eq!(items.next_back(), Some(&mut 2));
assert_eq!(items.next(), Some(&mut 1));
assert_eq!(items.next(), None);
assert_eq!(items.next_back(), None);
}
#[test]
fn sanity() {