public void InnerStrategiesComeBeforeOuterStrategiesInStrategyChain()
{
StagedStrategyChain <FakeStage> innerChain = new StagedStrategyChain <FakeStage>();
StagedStrategyChain <FakeStage> outerChain = new StagedStrategyChain <FakeStage>(innerChain);
FakeStrategy innerStrategy = new FakeStrategy();
FakeStrategy outerStrategy = new FakeStrategy();
innerChain.Add(innerStrategy, FakeStage.Stage1);
outerChain.Add(outerStrategy, FakeStage.Stage1);
StrategyChain chain = outerChain.MakeStrategyChain();
AssertOrder(chain, innerStrategy, outerStrategy);
}
public void MultipleChildContainers()
{
StagedStrategyChain <FakeStage> innerChain = new StagedStrategyChain <FakeStage>();
StagedStrategyChain <FakeStage> outerChain = new StagedStrategyChain <FakeStage>(innerChain);
StagedStrategyChain <FakeStage> superChain = new StagedStrategyChain <FakeStage>(outerChain);
FakeStrategy innerStrategy = new FakeStrategy();
FakeStrategy outerStrategy = new FakeStrategy();
FakeStrategy superStrategy = new FakeStrategy();
innerChain.Add(innerStrategy, FakeStage.Stage1);
outerChain.Add(outerStrategy, FakeStage.Stage1);
superChain.Add(superStrategy, FakeStage.Stage1);
StrategyChain chain = superChain.MakeStrategyChain();
AssertOrder(chain, innerStrategy, outerStrategy, superStrategy);
}
public void OrderingAcrossStagesForStrategyChain()
{
StagedStrategyChain <FakeStage> innerChain = new StagedStrategyChain <FakeStage>();
StagedStrategyChain <FakeStage> outerChain = new StagedStrategyChain <FakeStage>(innerChain);
FakeStrategy innerStage1 = new FakeStrategy();
FakeStrategy innerStage2 = new FakeStrategy();
FakeStrategy outerStage1 = new FakeStrategy();
FakeStrategy outerStage2 = new FakeStrategy();
innerChain.Add(innerStage1, FakeStage.Stage1);
innerChain.Add(innerStage2, FakeStage.Stage2);
outerChain.Add(outerStage1, FakeStage.Stage1);
outerChain.Add(outerStage2, FakeStage.Stage2);
StrategyChain chain = outerChain.MakeStrategyChain();
AssertOrder(chain, innerStage1, outerStage1, innerStage2, outerStage2);
}
public IBuilderStrategy FindStrategy(Predicate <IBuilderStrategy> match)
{
// TODO: This is pretty non-optimal; chains should be enumerable, even staged chains
StrategyChain chain = strategies.MakeStrategyChain();
IBuilderStrategy strategy = chain.Head;
while (strategy != null)
{
if (match(strategy))
{
return(strategy);
}
strategy = chain.GetNext(strategy);
}
return(null);
}