/// <summary>
/// Create a new key collection with some keys added/removed. This
/// does not modify the current collection.
/// </summary>
/// <param name="toAdd">Keys to add.</param>
/// <param name="toRemove">Keys to remove</param>
/// <returns>A new key set with keys added/removed. If both add/remove
/// key sets are empty, this returns the current instance.</returns>
public Keys Alter(Keys toAdd, Keys toRemove)
{
if (toAdd.IsEmpty && toRemove.IsEmpty)
{
return this;
}
else
{
Keys keys = new Keys(this);
keys.Add(toAdd);
keys.remove(toRemove);
return keys;
}
}
public void addRemoveSets()
{
Keys keys1 = new Keys();
Keys keys2 = new Keys();
Keys keys3 = new Keys();
keys1.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Producer, new Key("dual key prod 1"));
keys1.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("dual key cons 1"));
keys1.Add(KeyScheme.Sha1Producer, new Key("producer key 1.1"));
keys1.Add(KeyScheme.Sha1Producer, new Key("producer key 1.2"));
keys2.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Producer, new Key("dual key prod 2"));
keys2.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("dual key cons 2"));
keys2.Add(KeyScheme.Sha1Consumer, new Key("consumer key 1"));
// add keys in bulk to keys3
keys3.Add(keys1);
Assert.AreEqual(1, keys3.KeysetFor(KeyScheme.Sha1Dual).ConsumerKeys.Count);
Assert.AreEqual(1, keys3.KeysetFor(KeyScheme.Sha1Dual).ProducerKeys.Count);
Assert.AreEqual(2, keys3.KeysetFor(KeyScheme.Sha1Producer).Count);
Assert.AreEqual(0, keys3.KeysetFor(KeyScheme.Sha1Consumer).Count);
keys3.Add(keys2);
Assert.AreEqual(2, keys3.KeysetFor(KeyScheme.Sha1Dual).ConsumerKeys.Count);
Assert.AreEqual(2, keys3.KeysetFor(KeyScheme.Sha1Dual).ProducerKeys.Count);
Assert.AreEqual(2, keys3.KeysetFor(KeyScheme.Sha1Producer).Count);
Assert.AreEqual(1, keys3.KeysetFor(KeyScheme.Sha1Consumer).Count);
keys3.remove(keys1);
Assert.AreEqual(1, keys3.KeysetFor(KeyScheme.Sha1Dual).ConsumerKeys.Count);
Assert.AreEqual(1, keys3.KeysetFor(KeyScheme.Sha1Dual).ProducerKeys.Count);
Assert.AreEqual(0, keys3.KeysetFor(KeyScheme.Sha1Producer).Count);
Assert.AreEqual(1, keys3.KeysetFor(KeyScheme.Sha1Consumer).Count);
keys3.remove(keys2);
Assert.IsTrue(keys3.IsEmpty);
}
