extern crate e2d2;

use e2d2::state::*;

#[test]

fn alloc_test() {

let rb = RingBuffer::new(1).unwrap();

drop(rb);

}

#[test]

fn write_at_offset_test() {

let mut rb = RingBuffer::new(4096).unwrap();

let input = vec![1, 2, 3, 4];

rb.write_at_offset(4095, &input[..]);

let mut output: Vec<_> = (0..input.len()).map(|_| 0).collect();

rb.read_from_offset(4095, &mut output[..]);

for idx in 0..input.len() {

assert_eq!(input[idx], output[idx]);

}

}

#[test]

fn read_write_tail_test() {

let mut rb = RingBuffer::new(4096).unwrap();

let input: Vec<_> = (0..8192).map(|i| (i & 0xff) as u8).collect();

let written = rb.write_at_tail(&input[..]);

assert_eq!(written, 4095);

let mut output: Vec<_> = (0..8192).map(|_| 0).collect();

let read = rb.read_from_head(&mut output[..]);

assert_eq!(read, written);

for idx in 0..read {

assert_eq!(input[idx], output[idx]);

}

}