rust/src/test/run-pass/task-comm.rs
2012-10-12 20:43:38 -07:00

149 lines
2.8 KiB
Rust

extern mod std;
use task::task;
use comm::Chan;
use comm::Port;
use comm::send;
use 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.push(move 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.push(move r);
}).spawn |copy i| {
test06_start(i);
};
}
for results.each |r| { future::get(r); }
}