rust/src/test/run-pass/task-comm-6.rs

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Rust
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use std;
import std::comm;
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import std::comm::send;
fn main() { test00(); }
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fn test00() {
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let r: int = 0;
let sum: int = 0;
let p = comm::mk_port();
let c0 = p.mk_chan();
let c1 = p.mk_chan();
let c2 = p.mk_chan();
let c3 = p.mk_chan();
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let number_of_messages: int = 1000;
let i: int = 0;
while i < number_of_messages {
send(c0, i + 0);
send(c1, i + 0);
send(c2, i + 0);
send(c3, i + 0);
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i += 1;
}
i = 0;
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while i < number_of_messages {
r = p.recv();
sum += r;
r = p.recv();
sum += r;
r = p.recv();
sum += r;
r = p.recv();
sum += r;
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i += 1;
}
assert (sum == 1998000);
// assert (sum == 4 * ((number_of_messages *
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// (number_of_messages - 1)) / 2));
}