rust/src/test/run-pass/task-comm-8.rs

46 lines
1.2 KiB
Rust

// xfail-boot
// xfail-stage0
impure fn main() -> () {
test00();
}
impure fn test00_start(chan[int] c, int start, int number_of_messages) {
let int i = 0;
while (i < number_of_messages) {
c <| start + i;
i += 1;
}
}
impure fn test00() {
let int r = 0;
let int sum = 0;
let port[int] p = port();
let int number_of_messages = 10;
let task t0 = spawn thread test00_start(chan(p),
number_of_messages * 0, number_of_messages);
let task t1 = spawn thread test00_start(chan(p),
number_of_messages * 1, number_of_messages);
let task t2 = spawn thread test00_start(chan(p),
number_of_messages * 2, number_of_messages);
let task t3 = spawn thread test00_start(chan(p),
number_of_messages * 3, number_of_messages);
let int i = 0;
while (i < number_of_messages) {
r <- p; sum += r;
r <- p; sum += r;
r <- p; sum += r;
r <- p; sum += r;
i += 1;
}
join t0;
join t1;
join t2;
join t3;
check (sum == (((number_of_messages * 4) *
((number_of_messages * 4) - 1)) / 2));
}