public void EnTest() { object ret = null; foreach (var i in A) { foreach (var d1 in X) { Trace.WriteLine($"Testing {nameof(EnTest)}, parameters: {i}; {d1}"); try { ret = SpecialFunctions.En(i, d1); } catch (Exception ex) { Assert.Fail("Exception occured: " + ex); } Assert.IsNotNull(ret); } } }