public void TestAdditionOfNotes()
        {
            // Create a measure in 3/4 time.
             Measure m = new Measure(new Rational(3, 4));
             Note q = new Note(0, 0, new Rational(1, 4));
             bool ok;
             ok = m.AddNote(q);
             Assert.IsTrue(ok);
             Assert.IsTrue( m.Length().CompareTo(new Rational(1, 4)) == 0 );

             ok = m.AddNote(q);
             Assert.IsTrue(ok);
             Assert.IsTrue( m.Length().CompareTo(new Rational(2, 4)) == 0 );

             ok = m.AddNote(q);
             Assert.IsTrue(ok);
             Assert.IsTrue( m.Length().CompareTo(new Rational(3, 4)) == 0 );

             // This last addition should *not* be ok and should not change the length from 3/4 to anything else.
             ok = m.AddNote(q);
             Assert.IsFalse(ok);
             Assert.IsTrue( m.Length().CompareTo(new Rational(3, 4)) == 0 );
        }