Tracing throws NullRefException when using null parameter

[hutterm]

Here is a minimal test case - it throws on the last line:

    public class Test
    {
        public int Int;
    }

    public interface IInterface
    {
        void TraceTest(Test t);
    }

    [TestMethod]
    public void TraceTest()
    {
        TraceParameterProvider.Default.ForAnything().With<Test>().Trace(test => test.Int).EndWith();
        var iinterface = EventSourceImplementer.GetEventSourceAs<IInterface>();
        var _listener = new TestEventListener();
        _listener.EnableEvents((EventSource)iinterface, EventLevel.LogAlways);
        iinterface.TraceTest(null);
    }

I haven't found a clever way to get around that easily. Can you handle this special case internally?

[mjeanrichard]

I think you could use TraceParameterProvider.Default.ForAnything().With<Test>().Trace(test => test == null ? 0 : test.Int).EndWith() That should prevent the NullRef.

[jonwagner]

This is fixed in 4.0.0 running against net46/netstandard2.0