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path: root/src/test/run-pass/task-comm-16.rs
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// -*- rust -*-
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.


// Tests of ports and channels on various types
fn test_rec() {
    struct R {val0: int, val1: u8, val2: char}

    let (po, ch) = comm::stream();
    let r0: R = R {val0: 0, val1: 1u8, val2: '2'};
    ch.send(r0);
    let mut r1: R;
    r1 = po.recv();
    assert!((r1.val0 == 0));
    assert!((r1.val1 == 1u8));
    assert!((r1.val2 == '2'));
}

fn test_vec() {
    let (po, ch) = comm::stream();
    let v0: ~[int] = ~[0, 1, 2];
    ch.send(v0);
    let v1 = po.recv();
    assert!((v1[0] == 0));
    assert!((v1[1] == 1));
    assert!((v1[2] == 2));
}

fn test_str() {
    let (po, ch) = comm::stream();
    let s0 = ~"test";
    ch.send(s0);
    let s1 = po.recv();
    assert!((s1[0] == 't' as u8));
    assert!((s1[1] == 'e' as u8));
    assert!((s1[2] == 's' as u8));
    assert!((s1[3] == 't' as u8));
}

enum t {
    tag1,
    tag2(int),
    tag3(int, u8, char)
}

impl cmp::Eq for t {
    fn eq(&self, other: &t) -> bool {
        match *self {
            tag1 => {
                match (*other) {
                    tag1 => true,
                    _ => false
                }
            }
            tag2(e0a) => {
                match (*other) {
                    tag2(e0b) => e0a == e0b,
                    _ => false
                }
            }
            tag3(e0a, e1a, e2a) => {
                match (*other) {
                    tag3(e0b, e1b, e2b) =>
                        e0a == e0b && e1a == e1b && e2a == e2b,
                    _ => false
                }
            }
        }
    }
    fn ne(&self, other: &t) -> bool { !(*self).eq(other) }
}

fn test_tag() {
    let (po, ch) = comm::stream();
    ch.send(tag1);
    ch.send(tag2(10));
    ch.send(tag3(10, 11u8, 'A'));
    let mut 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, ch) = comm::stream();
    let (po0, ch0) = comm::stream();
    ch.send(ch0);
    let ch1 = po.recv();
    // Does the transmitted channel still work?

    ch1.send(10);
    let mut i: int;
    i = po0.recv();
    assert!((i == 10));
}

pub fn main() {
    test_rec();
    test_vec();
    test_str();
    test_tag();
    test_chan();
}