/// <summary>
/// Check applying delta to keys1 gives keys2
/// </summary>
/// <param name="delta"></param>
/// <param name="keys1"></param>
/// <param name="keys2"></param>
private static void checkApplyDelta(Delta delta,
Keys keys1, Keys keys2)
{
Assert.AreEqual(keys1.Alter(delta.Added, delta.Removed), keys2);
}
public void delta()
{
Keys addedKeys = new Keys();
Keys removedKeys = new Keys();
Keys baseKeys = new Keys();
addedKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Producer, new Key("added/removed key"));
addedKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("added key 1"));
addedKeys.Add(KeyScheme.Sha1Producer, new Key("added key 2"));
removedKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Producer, new Key("added/removed key"));
removedKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("non existent key"));
removedKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("removed key"));
baseKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Producer, new Key("kept key"));
baseKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("removed key"));
Keys delta = baseKeys.Alter(addedKeys, removedKeys);
Keys correctKeys = new Keys();
correctKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("added key 1"));
correctKeys.Add(KeyScheme.Sha1Producer, new Key("added key 2"));
correctKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Producer, new Key("kept key"));
Assert.AreEqual(correctKeys, delta);
// check delta works with empty keys
Keys keys4 = Keys.EmptyKeys.Alter(addedKeys, removedKeys);
correctKeys = new Keys();
correctKeys.Add(KeyScheme.Sha1Dual, DualKeyScheme.Subset.Consumer, new Key("added key 1"));
correctKeys.Add(KeyScheme.Sha1Producer, new Key("added key 2"));
Assert.AreEqual(correctKeys, keys4);
}
