public void IncludingAbstractElements_And_ExcludingAbstractElements() { LibrarySearchCriteria crit = new LibrarySearchCriteria() .IncludingAbstractElements(); Assert.IsTrue(crit.IsIncludeAbstractElements); crit.ExcludingAbstractElements(); Assert.IsFalse(crit.IsIncludeAbstractElements); crit.IncludingAbstractElements(); Assert.IsTrue(crit.IsIncludeAbstractElements); }