62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![allow(dead_assignment)]
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use std::task;
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pub fn main() { test00(); }
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fn test00_start(c: &Sender<int>, start: int,
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number_of_messages: int) {
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let mut i: int = 0;
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while i < number_of_messages { c.send(start + i); i += 1; }
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}
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fn test00() {
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let mut r: int = 0;
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let mut sum: int = 0;
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let (tx, rx) = channel();
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let number_of_messages: int = 10;
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let tx2 = tx.clone();
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task::spawn(proc() {
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test00_start(&tx2, number_of_messages * 0, number_of_messages);
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});
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let tx2 = tx.clone();
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task::spawn(proc() {
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test00_start(&tx2, number_of_messages * 1, number_of_messages);
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});
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let tx2 = tx.clone();
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task::spawn(proc() {
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test00_start(&tx2, number_of_messages * 2, number_of_messages);
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});
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let tx2 = tx.clone();
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task::spawn(proc() {
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test00_start(&tx2, number_of_messages * 3, number_of_messages);
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});
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let mut i: int = 0;
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while i < number_of_messages {
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r = rx.recv();
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sum += r;
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r = rx.recv();
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sum += r;
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r = rx.recv();
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sum += r;
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r = rx.recv();
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sum += r;
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i += 1;
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}
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assert_eq!(sum, number_of_messages * 4 * (number_of_messages * 4 - 1) / 2);
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}
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