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-rw-r--r--src/test/ui/threads-sendsync/task-comm-3.rs63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/test/ui/threads-sendsync/task-comm-3.rs b/src/test/ui/threads-sendsync/task-comm-3.rs
new file mode 100644
index 000000000..570ae0a82
--- /dev/null
+++ b/src/test/ui/threads-sendsync/task-comm-3.rs
@@ -0,0 +1,63 @@
+// run-pass
+#![allow(unused_must_use)]
+// ignore-emscripten no threads support
+
+use std::thread;
+use std::sync::mpsc::{channel, Sender};
+
+pub fn main() { println!("===== WITHOUT THREADS ====="); test00(); }
+
+fn test00_start(ch: &Sender<isize>, message: isize, count: isize) {
+ println!("Starting test00_start");
+ let mut i: isize = 0;
+ while i < count {
+ println!("Sending Message");
+ ch.send(message + 0).unwrap();
+ i = i + 1;
+ }
+ println!("Ending test00_start");
+}
+
+fn test00() {
+ let number_of_tasks: isize = 16;
+ let number_of_messages: isize = 4;
+
+ println!("Creating tasks");
+
+ let (tx, rx) = channel();
+
+ let mut i: isize = 0;
+
+ // Create and spawn threads...
+ let mut results = Vec::new();
+ while i < number_of_tasks {
+ let tx = tx.clone();
+ results.push(thread::spawn({
+ let i = i;
+ move|| {
+ test00_start(&tx, i, number_of_messages)
+ }
+ }));
+ i = i + 1;
+ }
+
+ // Read from spawned threads...
+ let mut sum = 0;
+ for _r in &results {
+ i = 0;
+ while i < number_of_messages {
+ let value = rx.recv().unwrap();
+ sum += value;
+ i = i + 1;
+ }
+ }
+
+ // Join spawned threads...
+ for r in results { r.join(); }
+
+ println!("Completed: Final number is: ");
+ println!("{}", sum);
+ // assert (sum == (((number_of_threads * (number_of_threads - 1)) / 2) *
+ // number_of_messages));
+ assert_eq!(sum, 480);
+}