nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-02 07:22:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve test coverage of {Chunks,RChunks,RChunksMut}::{next,next_back}

Browse Source
This commit is contained in:
Thom Chiovoloni 2022-01-31 17:35:19 -08:00
parent b8abd550bc
commit 9c62455e2f
No known key found for this signature in database
GPG Key ID: E2EFD4309E11C8A8
1 changed files with 102 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
library/core/tests/slice.rs
View File

@ -249,6 +249,40 @@ fn test_chunks_nth() {
assert_eq!(c2.next(), None);
}
#[test]
fn test_chunks_next() {
let v = [0, 1, 2, 3, 4, 5];
let mut c = v.chunks(2);
assert_eq!(c.next().unwrap(), &[0, 1]);
assert_eq!(c.next().unwrap(), &[2, 3]);
assert_eq!(c.next().unwrap(), &[4, 5]);
assert_eq!(c.next(), None);
let v = [0, 1, 2, 3, 4, 5, 6, 7];
let mut c = v.chunks(3);
assert_eq!(c.next().unwrap(), &[0, 1, 2]);
assert_eq!(c.next().unwrap(), &[3, 4, 5]);
assert_eq!(c.next().unwrap(), &[6, 7]);
assert_eq!(c.next(), None);
}
#[test]
fn test_chunks_next_back() {
let v = [0, 1, 2, 3, 4, 5];
let mut c = v.chunks(2);
assert_eq!(c.next_back().unwrap(), &[4, 5]);
assert_eq!(c.next_back().unwrap(), &[2, 3]);
assert_eq!(c.next_back().unwrap(), &[0, 1]);
assert_eq!(c.next_back(), None);
let v = [0, 1, 2, 3, 4, 5, 6, 7];
let mut c = v.chunks(3);
assert_eq!(c.next_back().unwrap(), &[6, 7]);
assert_eq!(c.next_back().unwrap(), &[3, 4, 5]);
assert_eq!(c.next_back().unwrap(), &[0, 1, 2]);
assert_eq!(c.next_back(), None);
}
#[test]
fn test_chunks_nth_back() {
let v: &[i32] = &[0, 1, 2, 3, 4, 5];
@ -807,6 +841,40 @@ fn test_rchunks_nth_back() {
assert_eq!(c2.next_back(), None);
}
#[test]
fn test_rchunks_next() {
let v = [0, 1, 2, 3, 4, 5];
let mut c = v.rchunks(2);
assert_eq!(c.next().unwrap(), &[4, 5]);
assert_eq!(c.next().unwrap(), &[2, 3]);
assert_eq!(c.next().unwrap(), &[0, 1]);
assert_eq!(c.next(), None);
let v = [0, 1, 2, 3, 4, 5, 6, 7];
let mut c = v.rchunks(3);
assert_eq!(c.next().unwrap(), &[5, 6, 7]);
assert_eq!(c.next().unwrap(), &[2, 3, 4]);
assert_eq!(c.next().unwrap(), &[0, 1]);
assert_eq!(c.next(), None);
}
#[test]
fn test_rchunks_next_back() {
let v = [0, 1, 2, 3, 4, 5];
let mut c = v.rchunks(2);
assert_eq!(c.next_back().unwrap(), &[0, 1]);
assert_eq!(c.next_back().unwrap(), &[2, 3]);
assert_eq!(c.next_back().unwrap(), &[4, 5]);
assert_eq!(c.next_back(), None);
let v = [0, 1, 2, 3, 4, 5, 6, 7];
let mut c = v.rchunks(3);
assert_eq!(c.next_back().unwrap(), &[0, 1]);
assert_eq!(c.next_back().unwrap(), &[2, 3, 4]);
assert_eq!(c.next_back().unwrap(), &[5, 6, 7]);
assert_eq!(c.next_back(), None);
}
#[test]
fn test_rchunks_last() {
let v: &[i32] = &[0, 1, 2, 3, 4, 5];
@ -872,6 +940,40 @@ fn test_rchunks_mut_nth_back() {
assert_eq!(c2.next_back(), None);
}
#[test]
fn test_rchunks_mut_next() {
let mut v = [0, 1, 2, 3, 4, 5];
let mut c = v.rchunks_mut(2);
assert_eq!(c.next().unwrap(), &mut [4, 5]);
assert_eq!(c.next().unwrap(), &mut [2, 3]);
assert_eq!(c.next().unwrap(), &mut [0, 1]);
assert_eq!(c.next(), None);
let mut v = [0, 1, 2, 3, 4, 5, 6, 7];
let mut c = v.rchunks_mut(3);
assert_eq!(c.next().unwrap(), &mut [5, 6, 7]);
assert_eq!(c.next().unwrap(), &mut [2, 3, 4]);
assert_eq!(c.next().unwrap(), &mut [0, 1]);
assert_eq!(c.next(), None);
}
#[test]
fn test_rchunks_mut_next_back() {
let mut v = [0, 1, 2, 3, 4, 5];
let mut c = v.rchunks_mut(2);
assert_eq!(c.next_back().unwrap(), &mut [0, 1]);
assert_eq!(c.next_back().unwrap(), &mut [2, 3]);
assert_eq!(c.next_back().unwrap(), &mut [4, 5]);
assert_eq!(c.next_back(), None);
let mut v = [0, 1, 2, 3, 4, 5, 6, 7];
let mut c = v.rchunks_mut(3);
assert_eq!(c.next_back().unwrap(), &mut [0, 1]);
assert_eq!(c.next_back().unwrap(), &mut [2, 3, 4]);
assert_eq!(c.next_back().unwrap(), &mut [5, 6, 7]);
assert_eq!(c.next_back(), None);
}
#[test]
fn test_rchunks_mut_last() {
let v: &mut [i32] = &mut [0, 1, 2, 3, 4, 5];