44 lines
1016 B
Rust
44 lines
1016 B
Rust
//@ run-pass
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#![allow(unused_mut)]
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#![allow(unused_assignments)]
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use std::sync::mpsc::channel;
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pub fn main() {
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test00();
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}
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fn test00() {
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let mut r: isize = 0;
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let mut sum: isize = 0;
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let (tx, rx) = channel();
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let mut tx0 = tx.clone();
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let mut tx1 = tx.clone();
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let mut tx2 = tx.clone();
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let mut tx3 = tx.clone();
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let number_of_messages: isize = 1000;
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let mut i: isize = 0;
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while i < number_of_messages {
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tx0.send(i + 0).unwrap();
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tx1.send(i + 0).unwrap();
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tx2.send(i + 0).unwrap();
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tx3.send(i + 0).unwrap();
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i += 1;
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}
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i = 0;
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while i < number_of_messages {
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r = rx.recv().unwrap();
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sum += r;
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r = rx.recv().unwrap();
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sum += r;
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r = rx.recv().unwrap();
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sum += r;
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r = rx.recv().unwrap();
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sum += r;
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i += 1;
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}
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assert_eq!(sum, 1998000);
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// assert (sum == 4 * ((number_of_messages *
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// (number_of_messages - 1)) / 2));
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}
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