public virtual void TestTreeMapIterator()
        {
            TwoDimensionalMap <string, string, string> map = new TwoDimensionalMap <string, string, string>(MapFactory.TreeMapFactory <string, IDictionary <string, string> >(), MapFactory.TreeMapFactory <string, string>());

            map.Put("A", "B", "C");
            map.Put("Z", "Y", "X");
            map.Put("Z", "B", "C");
            map.Put("A", "Y", "X");
            map.Put("D", "D", "D");
            map.Put("D", "F", "E");
            map.Put("K", "G", "B");
            map.Put("G", "F", "E");
            map.Put("D", "D", "E");
            // sneaky overwritten entry
            NUnit.Framework.Assert.AreEqual(8, map.Size());
            IEnumerator <TwoDimensionalMap.Entry <string, string, string> > mapIterator = map.GetEnumerator();

            TwoDimensionalMap.Entry <string, string, string> entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("A", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("B", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("C", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("A", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("Y", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("X", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("D", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("D", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("E", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("D", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("F", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("E", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("G", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("F", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("E", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("K", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("G", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("B", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("Z", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("B", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("C", entry.GetValue());
            entry = mapIterator.Current;
            NUnit.Framework.Assert.AreEqual("Z", entry.GetFirstKey());
            NUnit.Framework.Assert.AreEqual("Y", entry.GetSecondKey());
            NUnit.Framework.Assert.AreEqual("X", entry.GetValue());
            NUnit.Framework.Assert.IsFalse(mapIterator.MoveNext());
            IEnumerator <string> valueIterator = map.ValueIterator();

            NUnit.Framework.Assert.IsTrue(valueIterator.MoveNext());
            NUnit.Framework.Assert.AreEqual("C", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("X", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("E", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("E", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("E", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("B", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("C", valueIterator.Current);
            NUnit.Framework.Assert.AreEqual("X", valueIterator.Current);
            NUnit.Framework.Assert.IsFalse(valueIterator.MoveNext());
        }
 public static Edu.Stanford.Nlp.Util.TwoDimensionalMap <K1, K2, V> TreeMap <K1, K2, V>()
 {
     return(new Edu.Stanford.Nlp.Util.TwoDimensionalMap <K1, K2, V>(MapFactory.TreeMapFactory <K1, IDictionary <K2, V> >(), MapFactory.TreeMapFactory <K2, V>()));
 }