public void Test_WriteEvent_ArgsBasicTypes()
        {
            TestUtilities.CheckNoEventSourcesRunning("Start");
            using (var log = new EventSourceTest())
            {
                using (var el = new LoudListener())
                {
                    var sources = EventSource.GetSources();
                    Assert.True(sources.Contains(log));

                    Assert.NotNull(EventSource.GenerateManifest(typeof(SimpleEventSource), string.Empty, EventManifestOptions.OnlyIfNeededForRegistration));
                    Assert.Null(EventSource.GenerateManifest(typeof(EventSourceTest), string.Empty, EventManifestOptions.OnlyIfNeededForRegistration));

                    log.Event0();
                    Assert.Equal(1, LoudListener.LastEvent.EventId);
                    Assert.Equal(0, LoudListener.LastEvent.Payload.Count);

                    #region Validate "int" arguments
                    log.EventI(10);
                    Assert.Equal(2, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(10, (int)LoudListener.LastEvent.Payload[0]);

                    log.EventII(10, 11);
                    Assert.Equal(3, LoudListener.LastEvent.EventId);
                    Assert.Equal(2, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(10, (int)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (int)LoudListener.LastEvent.Payload[1]);

                    log.EventIII(10, 11, 12);
                    Assert.Equal(4, LoudListener.LastEvent.EventId);
                    Assert.Equal(3, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(10, (int)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (int)LoudListener.LastEvent.Payload[1]);
                    Assert.Equal(12, (int)LoudListener.LastEvent.Payload[2]);
                    #endregion

                    #region Validate "long" arguments
                    log.EventL(10);
                    Assert.Equal(5, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(10, (long)LoudListener.LastEvent.Payload[0]);

                    log.EventLL(10, 11);
                    Assert.Equal(6, LoudListener.LastEvent.EventId);
                    Assert.Equal(2, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(10, (long)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (long)LoudListener.LastEvent.Payload[1]);

                    log.EventLLL(10, 11, 12);
                    Assert.Equal(7, LoudListener.LastEvent.EventId);
                    Assert.Equal(3, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(10, (long)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (long)LoudListener.LastEvent.Payload[1]);
                    Assert.Equal(12, (long)LoudListener.LastEvent.Payload[2]);

                    #endregion

                    #region Validate "string" arguments
                    log.EventS("10");
                    Assert.Equal(8, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal("10", (string)LoudListener.LastEvent.Payload[0]);

                    log.EventSS("10", "11");
                    Assert.Equal(9, LoudListener.LastEvent.EventId);
                    Assert.Equal(2, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal("10", (string)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal("11", (string)LoudListener.LastEvent.Payload[1]);

                    log.EventSSS("10", "11", "12");
                    Assert.Equal(10, LoudListener.LastEvent.EventId);
                    Assert.Equal(3, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal("10", (string)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal("11", (string)LoudListener.LastEvent.Payload[1]);
                    Assert.Equal("12", (string)LoudListener.LastEvent.Payload[2]);
                    #endregion

                    #region Validate byte array arguments
                    byte[] arr = new byte[20];
                    log.EventWithByteArray(arr);
                    Assert.Equal(52, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(arr.Length, ((byte[])LoudListener.LastEvent.Payload[0]).Length);
                    #endregion

                    #region Validate mixed type arguments
                    log.EventSI("10", 11);
                    Assert.Equal(11, LoudListener.LastEvent.EventId);
                    Assert.Equal(2, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal("10", (string)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (int)LoudListener.LastEvent.Payload[1]);

                    log.EventSL("10", 11);
                    Assert.Equal(12, LoudListener.LastEvent.EventId);
                    Assert.Equal(2, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal("10", (string)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (long)LoudListener.LastEvent.Payload[1]);

                    log.EventSII("10", 11, 12);
                    Assert.Equal(13, LoudListener.LastEvent.EventId);
                    Assert.Equal(3, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal("10", (string)LoudListener.LastEvent.Payload[0]);
                    Assert.Equal(11, (int)LoudListener.LastEvent.Payload[1]);
                    Assert.Equal(12, (int)LoudListener.LastEvent.Payload[2]);
                    #endregion

                    #region Validate enums/flags
                    log.EventEnum(MyColor.Blue);
                    Assert.Equal(19, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(MyColor.Blue, (MyColor)LoudListener.LastEvent.Payload[0]);

                    log.EventEnum1(MyColor.Green);
                    Assert.Equal(20, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(MyColor.Green, (MyColor)LoudListener.LastEvent.Payload[0]);

                    log.EventFlags(MyFlags.Flag1);
                    Assert.Equal(21, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(MyFlags.Flag1, (MyFlags)LoudListener.LastEvent.Payload[0]);

                    log.EventFlags1(MyFlags.Flag1);
                    Assert.Equal(22, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal(MyFlags.Flag1, (MyFlags)LoudListener.LastEvent.Payload[0]);
                    #endregion

#if USE_ETW // TODO: Enable when TraceEvent is available on CoreCLR. GitHub issue #4864.
                    #region Validate DateTime
                    DateTime now = DateTime.Now;
                    log.EventDateTime(now);
                    Assert.Equal(24, LoudListener.LastEvent.EventId);
                    Assert.Equal(1, LoudListener.LastEvent.Payload.Count);
                    Assert.Equal((DateTime)LoudListener.LastEvent.Payload[0], now);
                    #endregion
#endif // USE_ETW
                }
            }
            TestUtilities.CheckNoEventSourcesRunning("Stop");
        }