public void EventSource_ExistsWithCorrectId()
{
Type esType = typeof(SmtpClient).Assembly.GetType("System.Net.NetEventSource", throwOnError: true, ignoreCase: false);
Assert.NotNull(esType);
Assert.Equal("Microsoft-System-Net-Mail", EventSource.GetName(esType));
Assert.Equal(Guid.Parse("42c8027b-f048-58d2-537d-a4a9d5ee7038"), EventSource.GetGuid(esType));
Assert.NotEmpty(EventSource.GenerateManifest(esType, esType.Assembly.Location));
}