public void FilteredBooksTest()
{
CheckDisposed();
IScrBook book = m_scr.ScriptureBooksOS[1];
m_filter.UpdateFilter(new int[] { book.Hvo });
Assert.AreEqual(0, m_filter.GetBookIndex(book.Hvo));
Assert.AreEqual(-1, m_filter.GetBookIndex(m_scr.ScriptureBooksOS[0].Hvo)); //invalid index
Assert.AreEqual(-1, m_filter.GetBookIndex(m_scr.ScriptureBooksOS[2].Hvo)); //invalid index
Assert.AreEqual(book.Hvo, m_filter.GetBook(0).Hvo);
Assert.AreEqual(book.Hvo, m_filter.GetBookByOrd(book.CanonicalNum).Hvo);
}