77 lines
2.2 KiB
Rust
77 lines
2.2 KiB
Rust
use crate::*;
|
|
|
|
use rand::Rng;
|
|
|
|
#[test]
|
|
fn chunks_exact_mut_random() {
|
|
const MAX_APPEND_LEN: usize = 256;
|
|
const CHUNK_SIZE: usize = 32;
|
|
|
|
let mut rng = rand::thread_rng();
|
|
let mut ringbuf = RingBuf::new(1024, 0_u32);
|
|
let mut current_value = 0;
|
|
for _ in 0_u32..1024 {
|
|
let append_len = rng.gen_range(0..MAX_APPEND_LEN);
|
|
assert_eq!(
|
|
ringbuf.push_from_iter_overflowing(
|
|
current_value as u32..current_value as u32 + append_len as u32
|
|
),
|
|
append_len
|
|
);
|
|
for (j, chunk) in ringbuf.chunks_exact_mut(CHUNK_SIZE).enumerate() {
|
|
assert_eq!(chunk.len(), CHUNK_SIZE);
|
|
for (k, v) in chunk.iter().enumerate() {
|
|
assert_eq!(
|
|
*v as usize,
|
|
current_value - current_value % CHUNK_SIZE + j * CHUNK_SIZE + k
|
|
);
|
|
}
|
|
}
|
|
current_value += append_len;
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn chunks_exact_mut_manual() {
|
|
let mut ringbuf = RingBuf::new(8, 0_u32);
|
|
|
|
assert_eq!(ringbuf.push_from_iter(1..4), 3);
|
|
assert_eq!(ringbuf.available(), 3);
|
|
let mut iter = ringbuf.chunks_exact_mut(4);
|
|
assert_eq!(iter.next(), None);
|
|
assert_eq!(ringbuf.available(), 3);
|
|
assert!(ringbuf.push(4));
|
|
assert_eq!(ringbuf.available(), 4);
|
|
let mut iter = ringbuf.chunks_exact_mut(4);
|
|
assert_eq!(iter.next(), Some([1, 2, 3, 4].as_mut_slice()));
|
|
assert_eq!(iter.next(), None);
|
|
assert_eq!(ringbuf.available(), 0);
|
|
assert_eq!(ringbuf.push_from_iter(5..8), 3);
|
|
assert_eq!(ringbuf.available(), 3);
|
|
let mut iter = ringbuf.chunks_exact_mut(4);
|
|
assert_eq!(iter.next(), None);
|
|
assert_eq!(ringbuf.push_from_iter_overflowing(8..14), 6);
|
|
assert_eq!(ringbuf.available(), 8);
|
|
dbg!("{:?}", ringbuf.raw_slice());
|
|
assert_eq!(ringbuf.align_skip(4), 3);
|
|
let mut iter = ringbuf.chunks_exact_mut(4);
|
|
assert_eq!(iter.next(), Some([9, 10, 11, 12].as_mut_slice()));
|
|
assert_eq!(iter.next(), None);
|
|
assert_eq!(ringbuf.read_first_one(), Some(&13));
|
|
assert_eq!(ringbuf.available(), 0);
|
|
}
|
|
|
|
#[test]
|
|
fn push_from_slice_overflowing() {
|
|
let mut ringbuf = RingBuf::new(8, 0_u32);
|
|
|
|
ringbuf.push_from_slice_overflowing(&[1, 2, 3, 4, 5]);
|
|
dbg!("{:?}", ringbuf.raw_slice());
|
|
ringbuf.push_from_slice_overflowing(&[6, 7, 8, 9, 10, 11]);
|
|
dbg!("{:?}", ringbuf.raw_slice());
|
|
assert_eq!(
|
|
ringbuf.read_all_slices(),
|
|
([4, 5, 6, 7, 8].as_slice(), [9, 10, 11].as_slice())
|
|
);
|
|
}
|