v / vlib / sync
Raw file | 22 loc (19 sloc) | 359 bytes | Latest commit hash e81e0ac70 


1import sync


2


3const (


4    queue_len  = 1000


5    queue_fill = 763


6)


7


8fn do_send(ch chan int, mut fin sync.Semaphore) {


9    for i in 0 .. queue_fill {


10        ch <- i


11    }


12    fin.post()


13}


14


15fn test_channel_len_cap() {


16    ch := chan int{cap: queue_len}


17    mut sem := sync.new_semaphore()


18    spawn do_send(ch, mut sem)


19    sem.wait()


20    assert ch.cap == queue_len


21    assert ch.len == queue_fill


22}