private void PrimeNext()
{
K1 k1 = null;
if (next != null)
{
k1 = next.GetFirstKey();
}
while (innerIterator == null || !innerIterator.MoveNext())
{
if (!outerIterator.MoveNext())
{
next = null;
return;
}
KeyValuePair <K1, IDictionary <K2, V> > outerEntry = outerIterator.Current;
k1 = outerEntry.Key;
innerIterator = outerEntry.Value.GetEnumerator();
}
KeyValuePair <K2, V> innerEntry = innerIterator.Current;
next = new TwoDimensionalMap.Entry <K1, K2, V>(k1, innerEntry.Key, innerEntry.Value);
}
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());
}