d21336ee0a
Being able to index into the bytes of a string encourages poor UTF-8 hygiene. To get a view of `&[u8]` from either a `String` or `&str` slice, use the `as_bytes()` method. Closes #12710. [breaking-change]
116 lines
2.7 KiB
Rust
116 lines
2.7 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::cmp;
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// Tests of ports and channels on various types
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fn test_rec() {
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struct R {val0: int, val1: u8, val2: char}
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let (tx, rx) = channel();
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let r0: R = R {val0: 0, val1: 1u8, val2: '2'};
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tx.send(r0);
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let mut r1: R;
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r1 = rx.recv();
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assert_eq!(r1.val0, 0);
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assert_eq!(r1.val1, 1u8);
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assert_eq!(r1.val2, '2');
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}
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fn test_vec() {
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let (tx, rx) = channel();
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let v0: Vec<int> = vec!(0, 1, 2);
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tx.send(v0);
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let v1 = rx.recv();
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assert_eq!(*v1.get(0), 0);
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assert_eq!(*v1.get(1), 1);
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assert_eq!(*v1.get(2), 2);
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}
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fn test_str() {
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let (tx, rx) = channel();
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let s0 = "test".to_string();
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tx.send(s0);
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let s1 = rx.recv();
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assert_eq!(s1.as_bytes()[0], 't' as u8);
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assert_eq!(s1.as_bytes()[1], 'e' as u8);
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assert_eq!(s1.as_bytes()[2], 's' as u8);
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assert_eq!(s1.as_bytes()[3], 't' as u8);
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}
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#[deriving(Show)]
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enum t {
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tag1,
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tag2(int),
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tag3(int, u8, char)
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}
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impl cmp::PartialEq for t {
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fn eq(&self, other: &t) -> bool {
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match *self {
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tag1 => {
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match (*other) {
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tag1 => true,
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_ => false
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}
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}
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tag2(e0a) => {
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match (*other) {
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tag2(e0b) => e0a == e0b,
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_ => false
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}
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}
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tag3(e0a, e1a, e2a) => {
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match (*other) {
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tag3(e0b, e1b, e2b) =>
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e0a == e0b && e1a == e1b && e2a == e2b,
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_ => false
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}
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}
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}
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}
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fn ne(&self, other: &t) -> bool { !(*self).eq(other) }
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}
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fn test_tag() {
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let (tx, rx) = channel();
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tx.send(tag1);
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tx.send(tag2(10));
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tx.send(tag3(10, 11u8, 'A'));
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let mut t1: t;
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t1 = rx.recv();
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assert_eq!(t1, tag1);
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t1 = rx.recv();
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assert_eq!(t1, tag2(10));
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t1 = rx.recv();
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assert_eq!(t1, tag3(10, 11u8, 'A'));
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}
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fn test_chan() {
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let (tx1, rx1) = channel();
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let (tx2, rx2) = channel();
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tx1.send(tx2);
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let tx2 = rx1.recv();
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// Does the transmitted channel still work?
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tx2.send(10);
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let mut i: int;
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i = rx2.recv();
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assert_eq!(i, 10);
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}
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pub fn main() {
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test_rec();
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test_vec();
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test_str();
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test_tag();
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test_chan();
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}
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