public void ResolveType_ThrowsInvalidEnumArgumentException() { Assert.Throws(typeof(InvalidEnumArgumentException), () => { Collection <MediaTypeFormatter> formatters; HelpPageSampleGenerator sampleGenerator = new HelpPageSampleGenerator(); sampleGenerator.ResolveType(new ApiDescription(), "c", "a", new[] { "p" }, (SampleDirection)78, out formatters); }); }