File: reverse_single.rs

package info (click to toggle)
rust-quickcheck 1.0.3-6
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 336 kB
  • sloc: makefile: 4
file content (19 lines) | stat: -rw-r--r-- 428 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
use quickcheck::{quickcheck, TestResult};

fn reverse<T: Clone>(xs: &[T]) -> Vec<T> {
    let mut rev = vec![];
    for x in xs {
        rev.insert(0, x.clone())
    }
    rev
}

fn main() {
    fn prop(xs: Vec<isize>) -> TestResult {
        if xs.len() != 1 {
            return TestResult::discard();
        }
        TestResult::from_bool(xs == reverse(&*xs))
    }
    quickcheck(prop as fn(Vec<isize>) -> TestResult);
}