rust/src/test/run-pass/task-comm.rs
2012-08-07 14:26:41 -04:00

151 lines
2.9 KiB
Rust

use std;
import task;
import task::task;
import comm;
import comm::chan;
import comm::port;
import comm::send;
import comm::recv;
fn main() {
test00();
// test01();
test02();
test04();
test05();
test06();
}
fn test00_start(ch: chan<int>, message: int, count: int) {
debug!{"Starting test00_start"};
let mut i: int = 0;
while i < count {
debug!{"Sending Message"};
send(ch, message + 0);
i = i + 1;
}
debug!{"Ending test00_start"};
}
fn test00() {
let number_of_tasks: int = 1;
let number_of_messages: int = 4;
debug!{"Creating tasks"};
let po = port();
let ch = chan(po);
let mut i: int = 0;
let mut results = ~[];
while i < number_of_tasks {
i = i + 1;
do task::task().future_result(|+r| {
results += ~[r];
}).spawn |copy i| {
test00_start(ch, i, number_of_messages);
}
}
let mut sum: int = 0;
for results.each |r| {
i = 0;
while i < number_of_messages { sum += recv(po); i = i + 1; }
}
for results.each |r| { future::get(r); }
debug!{"Completed: Final number is: "};
assert (sum ==
number_of_messages *
(number_of_tasks * number_of_tasks + number_of_tasks) /
2);
}
fn test01() {
let p = port();
debug!{"Reading from a port that is never written to."};
let value: int = recv(p);
log(debug, value);
}
fn test02() {
let p = port();
let c = chan(p);
debug!{"Writing to a local task channel."};
send(c, 42);
debug!{"Reading from a local task port."};
let value: int = recv(p);
log(debug, value);
}
fn test04_start() {
debug!{"Started task"};
let mut i: int = 1024 * 1024;
while i > 0 { i = i - 1; }
debug!{"Finished task"};
}
fn test04() {
debug!{"Spawning lots of tasks."};
let mut i: int = 4;
while i > 0 { i = i - 1; task::spawn(|| test04_start() ); }
debug!{"Finishing up."};
}
fn test05_start(ch: chan<int>) {
send(ch, 10);
send(ch, 20);
send(ch, 30);
send(ch, 30);
send(ch, 30);
}
fn test05() {
let po = comm::port();
let ch = chan(po);
task::spawn(|| test05_start(ch) );
let mut value: int;
value = recv(po);
value = recv(po);
value = recv(po);
log(debug, value);
}
fn test06_start(&&task_number: int) {
debug!{"Started task."};
let mut i: int = 0;
while i < 1000000 { i = i + 1; }
debug!{"Finished task."};
}
fn test06() {
let number_of_tasks: int = 4;
debug!{"Creating tasks"};
let mut i: int = 0;
let mut results = ~[];
while i < number_of_tasks {
i = i + 1;
do task::task().future_result(|+r| {
results += ~[r];
}).spawn |copy i| {
test06_start(i);
};
}
for results.each |r| { future::get(r); }
}