1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
// run-pass
#![allow(unused_mut)]
#![allow(unused_parens)]
#![allow(non_camel_case_types)]
use std::sync::mpsc::channel;
use std::cmp;
// Tests of ports and channels on various types
fn test_rec() {
struct R {val0: isize, val1: u8, val2: char}
let (tx, rx) = channel();
let r0: R = R {val0: 0, val1: 1, val2: '2'};
tx.send(r0).unwrap();
let mut r1: R;
r1 = rx.recv().unwrap();
assert_eq!(r1.val0, 0);
assert_eq!(r1.val1, 1);
assert_eq!(r1.val2, '2');
}
fn test_vec() {
let (tx, rx) = channel();
let v0: Vec<isize> = vec![0, 1, 2];
tx.send(v0).unwrap();
let v1 = rx.recv().unwrap();
assert_eq!(v1[0], 0);
assert_eq!(v1[1], 1);
assert_eq!(v1[2], 2);
}
fn test_str() {
let (tx, rx) = channel();
let s0 = "test".to_string();
tx.send(s0).unwrap();
let s1 = rx.recv().unwrap();
assert_eq!(s1.as_bytes()[0], 't' as u8);
assert_eq!(s1.as_bytes()[1], 'e' as u8);
assert_eq!(s1.as_bytes()[2], 's' as u8);
assert_eq!(s1.as_bytes()[3], 't' as u8);
}
#[derive(Debug)]
enum t {
tag1,
tag2(isize),
tag3(isize, u8, char)
}
impl cmp::PartialEq for t {
fn eq(&self, other: &t) -> bool {
match *self {
t::tag1 => {
match (*other) {
t::tag1 => true,
_ => false
}
}
t::tag2(e0a) => {
match (*other) {
t::tag2(e0b) => e0a == e0b,
_ => false
}
}
t::tag3(e0a, e1a, e2a) => {
match (*other) {
t::tag3(e0b, e1b, e2b) =>
e0a == e0b && e1a == e1b && e2a == e2b,
_ => false
}
}
}
}
fn ne(&self, other: &t) -> bool { !(*self).eq(other) }
}
fn test_tag() {
let (tx, rx) = channel();
tx.send(t::tag1).unwrap();
tx.send(t::tag2(10)).unwrap();
tx.send(t::tag3(10, 11, 'A')).unwrap();
let mut t1: t;
t1 = rx.recv().unwrap();
assert_eq!(t1, t::tag1);
t1 = rx.recv().unwrap();
assert_eq!(t1, t::tag2(10));
t1 = rx.recv().unwrap();
assert_eq!(t1, t::tag3(10, 11, 'A'));
}
fn test_chan() {
let (tx1, rx1) = channel();
let (tx2, rx2) = channel();
tx1.send(tx2).unwrap();
let tx2 = rx1.recv().unwrap();
// Does the transmitted channel still work?
tx2.send(10).unwrap();
let mut i: isize;
i = rx2.recv().unwrap();
assert_eq!(i, 10);
}
pub fn main() {
test_rec();
test_vec();
test_str();
test_tag();
test_chan();
}
|
