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Add asserts for Vec::len() in test push_and_pop() (was sanity).

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This commit is contained in:
Alex Helfet 2017-12-19 20:02:25 +00:00
parent 5b91d6821a
commit 692bd418f1
1 changed files with 6 additions and 1 deletions
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7
src/vec.rs
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@ -236,15 +236,20 @@ mod tests {
} }
#[test] #[test]
fn sanity() { fn push_and_pop() {
let mut v: Vec<i32, [i32; 4]> = Vec::new(); let mut v: Vec<i32, [i32; 4]> = Vec::new();
assert_eq!(v.len(), 0);
assert_eq!(v.pop(), None); assert_eq!(v.pop(), None);
assert_eq!(v.len(), 0);
v.push(0).unwrap(); v.push(0).unwrap();
assert_eq!(v.len(), 1);
assert_eq!(v.pop(), Some(0)); assert_eq!(v.pop(), Some(0));
assert_eq!(v.len(), 0);
assert_eq!(v.pop(), None); assert_eq!(v.pop(), None);
assert_eq!(v.len(), 0);
} }
} }