[MemoryDiagnoser]
public class Tests
{
    private readonly string _msgId = "msg_p5jXN8AQM9LWM0D4loKWxJek";
    private readonly DateTimeOffset _timestamp = DateTimeOffset.FromUnixTimeSeconds(1614265330);
    private readonly string _payload = "{\"test\": 2432232314}";
    private readonly string _largePayload = Enumerable.Range(0, 1000).Select(i => i % 10).Aggregate(new StringBuilder(), (sb, i) => sb.Append(i), sb => sb.ToString());
    private readonly Webhook _webhook = new Webhook("whsec_MfKQ9r8GKYqrTwjUPD8ILPZIo2LaLaSw");
    private readonly WebHeaderCollection _headers;
    private readonly WebHeaderCollection _largeHeaders;
    
    public Tests()
    {
        var now = DateTimeOffset.UtcNow;
        _headers = new WebHeaderCollection
        {
            {"svix-id", _msgId},
            {"svix-timestamp", now.ToUnixTimeSeconds().ToString() },
            {"svix-signature", _webhook.Sign(_msgId, now, _payload)}
        };
        _largeHeaders = new WebHeaderCollection
        {
            {"svix-id", _msgId},
            {"svix-timestamp", now.ToUnixTimeSeconds().ToString() },
            {"svix-signature", _webhook.Sign(_msgId, now, _largePayload)}
        };
    }
    
    [Benchmark]
    public string? Sign()
    {
        return _webhook.Sign(_msgId, _timestamp, _payload);
    }
    
    [Benchmark]
    public string? SignLargePayload()
    {
        return _webhook.Sign(_msgId, _timestamp, _largePayload);
    }
    
    [Benchmark]
    public void Verify()
    {
        _webhook.Verify(_payload, _headers);
    }
    
    [Benchmark]
    public void VerifyLargePayload()
    {
        _webhook.Verify(_largePayload, _largeHeaders);
    }
}