public void Parse()
{
Assert.That(IPAddress.TryParse("127.0.0.1", out var address), Is.True);
var endpoint = new IPEndPoint(address, 80);
Assert.That(IPEndPointEx.Parse("127.0.0.1:80"), Is.EqualTo(endpoint));
Assert.That(IPEndPointEx.Parse(new ReadOnlySpan <char>("127.0.0.1:80".ToCharArray())), Is.EqualTo(endpoint));
Assert.Throws <ArgumentNullException>(() => _ = IPEndPointEx.Parse((string)null));
Assert.Throws <FormatException>(() => _ = IPEndPointEx.Parse(new ReadOnlySpan <char>("!**!".ToCharArray())));
Assert.That(IPEndPointEx.TryParse("127.0.0.1:80", out var parsed), Is.True);
Assert.That(parsed, Is.EqualTo(endpoint));
Assert.That(IPEndPointEx.TryParse(new ReadOnlySpan <char>("127.0.0.1:80".ToCharArray()), out parsed), Is.True);
Assert.That(parsed, Is.EqualTo(endpoint));
Assert.That(IPEndPointEx.TryParse("[0:0:0:0:0:0:0:1]:80", out parsed), Is.True);
Assert.That(parsed.ToString(), Is.EqualTo("[::1]:80"));
Assert.That(IPEndPointEx.TryParse("[::1]:80", out parsed), Is.True);
Assert.That(parsed.ToString(), Is.EqualTo("[::1]:80"));
Assert.That(IPEndPointEx.TryParse(new ReadOnlySpan <char>("!**!:80".ToCharArray()), out _), Is.False);
Assert.That(IPEndPointEx.TryParse(new ReadOnlySpan <char>("127.0.0.1:xx".ToCharArray()), out _), Is.False);
}
public void ConnectAsyncConnectionRefused3()
{
var endpoint = IPEndPointEx.Parse("127.0.0.1:11000");
using var server = new SocketListener(endpoint, SocketListenerMode.ConnectionRefused);
using var socket = new Socket(endpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
// for some reason netstandard throws System.Net.Internals.SocketExceptionFactory+ExtendedSocketException
// which derives from SocketException - use a constraint so NUnit is happy
Assert.ThrowsAsync(Is.InstanceOf <SocketException>(), async() =>
{
// socket exception, connection refused
await socket.ConnectAsync(endpoint, CancellationToken.None);
});
}
public async Task ConnectAsyncSuccess()
{
var endpoint = IPEndPointEx.Parse("127.0.0.1:11000");
using var server = new SocketListener(endpoint, SocketListenerMode.AcceptOnce);
using var socket = new Socket(endpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
await socket.ConnectAsync(endpoint, -1);
// connected!
try
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
socket.Dispose();
}
catch { /* doesn't matter */ }
}
public SocketListener(string address, SocketListenerMode mode)
: this(IPEndPointEx.Parse(address), mode)
{
}
