rust/src/test/run-pass/task-comm-16.rs
2011-08-15 09:26:51 -07:00

90 lines
1.9 KiB
Rust

// -*- rust -*-
use std;
import std::comm;
import std::comm::send;
import std::comm::mk_port;
// Tests of ports and channels on various types
fn test_rec() {
type r = {val0: int, val1: u8, val2: char};
let po = comm::mk_port();
let ch = po.mk_chan();
let r0: r = {val0: 0, val1: 1u8, val2: '2'};
send(ch, r0);
let r1: r;
r1 = po.recv();
assert (r1.val0 == 0);
assert (r1.val1 == 1u8);
assert (r1.val2 == '2');
}
fn test_vec() {
let po = comm::mk_port();
let ch = po.mk_chan();
let v0: [int] = ~[0, 1, 2];
send(ch, v0);
let v1: [int];
v1 = po.recv();
assert (v1.(0) == 0);
assert (v1.(1) == 1);
assert (v1.(2) == 2);
}
fn test_str() {
// FIXME: re-enable this once strings are unique and sendable
/*
let po = comm::mk_port();
let ch = po.mk_chan();
let s0: str = "test";
send(ch, s0);
let s1: str;
s1 = po.recv();
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);
*/
}
fn test_tag() {
tag t { tag1; tag2(int); tag3(int, u8, char); }
let po = comm::mk_port();
let ch = po.mk_chan();
send(ch, tag1);
send(ch, tag2(10));
send(ch, tag3(10, 11u8, 'A'));
// FIXME: Do port semantics really guarantee these happen in order?
let t1: t;
t1 = po.recv();
assert (t1 == tag1);
t1 = po.recv();
assert (t1 == tag2(10));
t1 = po.recv();
assert (t1 == tag3(10, 11u8, 'A'));
}
fn test_chan() {
let po = comm::mk_port();
let ch = po.mk_chan();
let po0 = comm::mk_port();
let ch0 = po0.mk_chan();
send(ch, ch0);
let ch1 = po.recv();
// Does the transmitted channel still work?
send(ch1, 10);
let i: int;
i = po0.recv();
assert (i == 10);
}
fn main() {
test_rec();
test_vec();
test_str();
test_tag();
test_chan();
}