rust/src/test/run-pass/task-comm-16.rs

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// -*- rust -*-
// Tests of ports and channels on various types
fn test_rec() {
type r = rec(int val0, u8 val1, char val2);
let port[r] po = port();
let chan[r] ch = chan(po);
let r r0 = rec(val0=0, val1=1u8, val2='2');
ch <| r0;
let r r1;
po |> r1;
assert (r1.val0 == 0);
assert (r1.val1 == 1u8);
assert (r1.val2 == '2');
}
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fn test_vec() {
let port[int[]] po = port();
let chan[int[]] ch = chan(po);
let int[] v0 = ~[0, 1, 2];
ch <| v0;
let int[] v1;
po |> v1;
assert (v1.(0) == 0);
assert (v1.(1) == 1);
assert (v1.(2) == 2);
}
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fn test_str() {
let port[str] po = port();
let chan[str] ch = chan(po);
let str s0 = "test";
ch <| s0;
let str s1;
po |> s1;
assert (s1.(0) as u8 == 't' as u8);
assert (s1.(1) as u8 == 'e' as u8);
assert (s1.(2) as u8 == 's' as u8);
assert (s1.(3) as u8 == 't' as u8);
}
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fn test_tag() {
tag t { tag1; tag2(int); tag3(int, u8, char); }
let port[t] po = port();
let chan[t] ch = chan(po);
ch <| tag1;
ch <| tag2(10);
ch <| tag3(10, 11u8, 'A');
let t t1;
po |> t1;
assert (t1 == tag1);
po |> t1;
assert (t1 == tag2(10));
po |> t1;
assert (t1 == tag3(10, 11u8, 'A'));
}
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fn test_chan() {
let port[chan[int]] po = port();
let chan[chan[int]] ch = chan(po);
let port[int] po0 = port();
let chan[int] ch0 = chan(po0);
ch <| ch0;
let chan[int] ch1;
po |> ch1;
// Does the transmitted channel still work?
ch1 <| 10;
let int i;
po0 |> i;
assert (i == 10);
}
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fn main() {
test_rec();
test_vec();
test_str();
test_tag();
test_chan();
}