public void AbstractElements()
{
LibrarySearchCriteria includingAbstractCriteria = new LibrarySearchCriteria()
.WithOptionalWords("SalesRevenueGoodsNetAbstract")
.MatchingPartialWords()
.IncludingAbstractElements()
.AgainstTextFields(new LibrarySearchCriteria.SearchableTextField[] { LibrarySearchCriteria.SearchableTextField.Labels })
.DescendingFrom("/124000 - Statement - Statement of Income (Including Gross Margin)");
ILibrarySearchResult resultWithAbstract = _indexMgr.Search(includingAbstractCriteria);
Assert.IsNotNull(resultWithAbstract, "Search results (with abstract elements) should not be null");
Assert.AreEqual(1, resultWithAbstract.Count);
LibrarySearchCriteria excludingAbstractCriteria = (includingAbstractCriteria.Clone() as LibrarySearchCriteria).ExcludingAbstractElements();
ILibrarySearchResult resultWithoutAbstract = _indexMgr.Search(excludingAbstractCriteria);
Assert.IsNotNull(resultWithoutAbstract, "Search results (without abstract elements) should not be null");
Assert.AreEqual(0, resultWithoutAbstract.Count);
}
