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Iterators: reproducer for overflow on high end of iteration

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This commit is contained in:
Michal 'vorner' Vaner
2019-12-07 19:53:56 +01:00
parent 6cbb011597
commit dbf366cfdf
2 changed files with 26 additions and 0 deletions
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15
src/ipv4.rs
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@ -614,4 +614,19 @@ mod test {
assert_eq!(skynet.overlaps(other2), false);
assert_eq!(other2.overlaps(other3), true);
}
#[test]
fn edges() {
let low: Ipv4Network = "0.0.0.0/24".parse().unwrap();
let low_addrs: Vec<Ipv4Addr> = low.iter().collect();
assert_eq!(256, low_addrs.len());
assert_eq!("0.0.0.0".parse::<Ipv4Addr>().unwrap(), low_addrs[0]);
assert_eq!("0.0.0.255".parse::<Ipv4Addr>().unwrap(), low_addrs[255]);
let high: Ipv4Network = "255.255.255.0/24".parse().unwrap();
let high_addrs: Vec<Ipv4Addr> = high.iter().collect();
assert_eq!(256, high_addrs.len());
assert_eq!("255.255.255.0".parse::<Ipv4Addr>().unwrap(), high_addrs[0]);
assert_eq!("255.255.255.255".parse::<Ipv4Addr>().unwrap(), high_addrs[255]);
}
}