void test_method_hostmask()
{
var prefix = Prefix32.create(8).unwrap();
Xunit.Assert.Equal("0.255.255.255",
IpV4.from_u32((UInt32)prefix.host_mask(), 0).unwrap().to_s());
}
void test_classmethod_parse_u32()
{
foreach (var kp in setup().decimal_values)
{
var addr = kp.Key;
var value = kp.Value;
var ip = IpV4.from_u32(value, 32).unwrap();
var splitted = addr.Split(new string[] { "/" }, StringSplitOptions.None);
var ip2 = ip.change_prefix(uint.Parse(splitted[1])).unwrap();
Assert.Equal(ip2.to_string(), addr);
}
}