sat-rs/satrs/tests/pools.rs
Robin Mueller acf73e93b1
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Introduce heapless memory pools
2024-05-21 18:31:19 +02:00

40 lines
1.5 KiB
Rust

use satrs::pool::{PoolAddr, PoolGuard, PoolProvider, StaticMemoryPool, StaticPoolConfig};
use std::ops::DerefMut;
use std::sync::mpsc;
use std::sync::mpsc::{Receiver, Sender};
use std::sync::{Arc, RwLock};
use std::thread;
const DUMMY_DATA: [u8; 4] = [0, 1, 2, 3];
#[test]
fn threaded_usage() {
let pool_cfg =
StaticPoolConfig::new_from_subpool_cfg_tuples(vec![(16, 6), (32, 3), (8, 12)], false);
let shared_pool = Arc::new(RwLock::new(StaticMemoryPool::new(pool_cfg)));
let shared_clone = shared_pool.clone();
let (tx, rx): (Sender<PoolAddr>, Receiver<PoolAddr>) = mpsc::channel();
let jh0 = thread::spawn(move || {
let mut dummy = shared_pool.write().unwrap();
let addr = dummy.add(&DUMMY_DATA).expect("Writing data failed");
tx.send(addr).expect("Sending store address failed");
});
let jh1 = thread::spawn(move || {
let addr;
{
addr = rx.recv().expect("Receiving store address failed");
let mut pool_access = shared_clone.write().unwrap();
let pg = PoolGuard::new(pool_access.deref_mut(), addr);
let mut read_buf: [u8; 4] = [0; 4];
let read_bytes = pg.read(&mut read_buf).expect("Reading failed");
assert_eq!(read_buf, DUMMY_DATA);
assert_eq!(read_bytes, 4);
}
let pool_access = shared_clone.read().unwrap();
assert!(!pool_access.has_element_at(&addr).expect("Invalid address"));
});
jh0.join().unwrap();
jh1.join().unwrap();
}