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Update the slice GroupBy/Mut test

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This commit is contained in:
Clément Renault 2020-12-10 13:42:31 +01:00
parent 5190fe4979
commit 9940c47885
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GPG key ID: 92ADA4E935E71FA4
1 changed files with 16 additions and 4 deletions
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20
library/alloc/tests/slice.rs
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@ -1901,15 +1901,19 @@ fn subslice_patterns() {
#[test]
fn test_group_by() {
let slice = &[1, 1, 1, 3, 3, 2, 2, 2];
let slice = &[1, 1, 1, 3, 3, 2, 2, 2, 1, 0];
let mut iter = slice.group_by(|a, b| a == b);
assert_eq!(iter.next(), Some(&[1, 1, 1][..]));
assert_eq!(iter.next(), Some(&[3, 3][..]));
assert_eq!(iter.next(), Some(&[2, 2, 2][..]));
assert_eq!(iter.next(), Some(&[1][..]));
assert_eq!(iter.next(), Some(&[0][..]));
assert_eq!(iter.next(), None);
let mut iter = slice.group_by(|a, b| a == b);
assert_eq!(iter.next_back(), Some(&[0][..]));
assert_eq!(iter.next_back(), Some(&[1][..]));
assert_eq!(iter.next_back(), Some(&[2, 2, 2][..]));
assert_eq!(iter.next_back(), Some(&[3, 3][..]));
assert_eq!(iter.next_back(), Some(&[1, 1, 1][..]));
@ -1917,22 +1921,28 @@ fn test_group_by() {
let mut iter = slice.group_by(|a, b| a == b);
assert_eq!(iter.next(), Some(&[1, 1, 1][..]));
assert_eq!(iter.next_back(), Some(&[2, 2, 2][..]));
assert_eq!(iter.next_back(), Some(&[0][..]));
assert_eq!(iter.next(), Some(&[3, 3][..]));
assert_eq!(iter.next_back(), Some(&[1][..]));
assert_eq!(iter.next(), Some(&[2, 2, 2][..]));
assert_eq!(iter.next_back(), None);
}
#[test]
fn test_group_by_mut() {
let slice = &mut [1, 1, 1, 3, 3, 2, 2, 2];
let slice = &mut [1, 1, 1, 3, 3, 2, 2, 2, 1, 0];
let mut iter = slice.group_by_mut(|a, b| a == b);
assert_eq!(iter.next(), Some(&mut [1, 1, 1][..]));
assert_eq!(iter.next(), Some(&mut [3, 3][..]));
assert_eq!(iter.next(), Some(&mut [2, 2, 2][..]));
assert_eq!(iter.next(), Some(&mut [1][..]));
assert_eq!(iter.next(), Some(&mut [0][..]));
assert_eq!(iter.next(), None);
let mut iter = slice.group_by_mut(|a, b| a == b);
assert_eq!(iter.next_back(), Some(&mut [0][..]));
assert_eq!(iter.next_back(), Some(&mut [1][..]));
assert_eq!(iter.next_back(), Some(&mut [2, 2, 2][..]));
assert_eq!(iter.next_back(), Some(&mut [3, 3][..]));
assert_eq!(iter.next_back(), Some(&mut [1, 1, 1][..]));
@ -1940,7 +1950,9 @@ fn test_group_by_mut() {
let mut iter = slice.group_by_mut(|a, b| a == b);
assert_eq!(iter.next(), Some(&mut [1, 1, 1][..]));
assert_eq!(iter.next_back(), Some(&mut [2, 2, 2][..]));
assert_eq!(iter.next_back(), Some(&mut [0][..]));
assert_eq!(iter.next(), Some(&mut [3, 3][..]));
assert_eq!(iter.next_back(), Some(&mut [1][..]));
assert_eq!(iter.next(), Some(&mut [2, 2, 2][..]));
assert_eq!(iter.next_back(), None);
}