rust/src/test/run-pass/task-comm.rs
2012-07-01 19:19:32 -07:00

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;
let builder = task::builder();
results += ~[task::future_result(builder)];
do task::run(builder) |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;
let builder = task::builder();
results += ~[task::future_result(builder)];
do task::run(builder) |copy i| {
test06_start(i);
};
}
for results.each |r| { future::get(r); }
}