public void AcceptableNonceDrift() { var offsetFromNow = TimeSpan.FromSeconds(-60 * 5).Add(TimeSpan.FromSeconds(1)); var max = TimeSpan.FromMinutes(5); while (offsetFromNow < max) { string ignored; for (int i = 0; i < 1000; i++) { var now = DateTime.UtcNow; var nonce = Nonces.Create(now + offsetFromNow); if (!Nonces.IsValid(nonce, "127.0.0.1", out ignored, now)) { DateTime created; Nonces.Parse(nonce, out created); Assert.Fail("Failed on [" + nonce + "] on [" + created + "] diff of [" + (created - now) + "]"); } } offsetFromNow = offsetFromNow.Add(TimeSpan.FromSeconds(1)); } }