public void ReplaceBracketedClassNamesWithPattern_ClassDoesNotExist_ThrowsException() { _prj.SearchClasses.Add(new SearchClass { Name = "dummy1", Type = SearchClassType.Phones }); _prj.SearchClasses.Add(new SearchClass { Name = "dummy2", Type = SearchClassType.Phones }); Assert.Throws <NullReferenceException>(() => _parser.ReplaceBracketedClassNamesWithPatterns("<not there>")); }