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B3ni
2025-07-06 00:23:46 +02:00
commit 38f50c8819
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Nitrox.Test/Model/Helper/NetHelperTest.cs Normal file
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using System.Net;
using System.Net.Sockets;
namespace NitroxModel.Helper;
[TestClass]
public class NetHelperTest
{
[TestMethod]
public void ShouldMatchPrivateIps()
{
// Tested subnet ranges that are reserved for private networks:
// 10.0.0.0/8
// 127.0.0.0/8
// 172.16.0.0/12
// 192.0.0.0/24
// 192.168.0.0/16
// 198.18.0.0/15
IPAddress.Parse("10.0.0.0").IsPrivate().Should().BeTrue();
IPAddress.Parse("10.0.0.255").IsPrivate().Should().BeTrue();
IPAddress.Parse("172.31.255.255").IsPrivate().Should().BeTrue();
IPAddress.Parse("172.31.255.255").IsPrivate().Should().BeTrue();
IPAddress.Parse("192.0.0.255").IsPrivate().Should().BeTrue();
IPAddress.Parse("192.168.2.1").IsPrivate().Should().BeTrue();
IPAddress.Parse("192.168.2.254").IsPrivate().Should().BeTrue();
IPAddress.Parse("192.168.2.255").IsPrivate().Should().BeTrue();
IPAddress.Parse("198.18.0.1").IsPrivate().Should().BeTrue();
IPAddress.Parse("198.19.255.255").IsPrivate().Should().BeTrue();
IPAddress.Parse("9.255.255.255").IsPrivate().Should().BeFalse();
IPAddress.Parse("91.63.176.12").IsPrivate().Should().BeFalse();
IPAddress.Parse("172.32.0.1").IsPrivate().Should().BeFalse();
IPAddress.Parse("192.0.1.0").IsPrivate().Should().BeFalse();
IPAddress.Parse("198.17.255.255").IsPrivate().Should().BeFalse();
IPAddress.Parse("198.20.0.0").IsPrivate().Should().BeFalse();
}
[TestMethod]
public void ShouldMatchLocalhostIps()
{
IPAddress GetSlightlyDifferentIp(IPAddress address)
{
if (address.AddressFamily != AddressFamily.InterNetwork)
{
throw new Exception("Only supports IPv4");
}
byte[] bytes = address.GetAddressBytes();
unchecked
{
while (bytes[3] is < 1 or > 253)
{
bytes[3]++;
}
bytes[3]++;
}
return new IPAddress(bytes);
}
IPAddress.Parse("127.0.0.1").IsLocalhost().Should().BeTrue();
IPAddress.Parse("127.0.0.2").IsLocalhost().Should().BeTrue();
IPAddress.Parse("192.168.0.255").IsLocalhost().Should().BeFalse();
NetHelper.GetLanIp().IsLocalhost().Should().BeTrue();
IPAddress differentIp = GetSlightlyDifferentIp(NetHelper.GetLanIp());
differentIp.Should().NotBeEquivalentTo(NetHelper.GetLanIp());
differentIp.IsLocalhost().Should().BeFalse();
}
}