public void CompareDocumentWithRevisions()
{
Document doc1 = new Document(MyDir + "Document.Compare.1.doc");
Document docWithRevision = new Document(MyDir + "Document.Compare.Revisions.doc");
if (docWithRevision.Revisions.Count > 0)
Assert.That(() => docWithRevision.Compare(doc1, "authorName", DateTime.Now),
Throws.TypeOf<InvalidOperationException>());
}