Rust-Programming-Cookbook/Chapter03/rand/rand_macros/tests/rand_macros.rs

31 wiersze
444 B
Rust

#![allow(dead_code)]
#![feature(plugin, custom_derive)]
#![plugin(rand_macros)]
extern crate rand;
use rand::Rng;
#[derive_Rand]
struct Foo {
x: u8,
y: isize
}
#[derive_Rand]
enum Bar {
X(char),
Y(f64)
}
#[test]
fn smoke() {
let mut rng = rand::XorShiftRng::new_unseeded();
// check nothing horrible happens internally:
for _ in 0..100 {
let _: Foo = rng.gen();
let _: Bar = rng.gen();
}
}