public void ProcessSimulationForStrategies(SingleProcessSimulation simulation, List <IStrategyFactory> strategyFactories)
{
foreach (var strategyFactory in strategyFactories)
{
simulation.PageList = _pageListPrototype.Clone();
simulation.FrameList = _frameListPrototype.Clone();
simulation.Process = _processFactory.Create(strategyFactory, _pageReferencesListPrototype.Clone());
simulation.ProcessAll();
}
}
public static void Main(string[] args)
{
var facade = new SingleProcessMultipleStrategiesOrganizerFacade();
var strategyFactoryList = new List <IStrategyFactory>()
{
new FifoFactory(),
new OptFactory(),
new LruFactory(),
new ALruFactory(),
new RandomFactory()
};
var physicalMemoryFactory = new PhysicalMemoryFactory();
var virtualMemoryFactory = new VirtualMemoryFactory();
var simulation = new SingleProcessSimulation(physicalMemoryFactory, virtualMemoryFactory);
facade.GenerateNewFrames(4);
facade.GenerateNewPages(6);
facade.GenerateNewPageReferences(10000);
facade.ProcessSimulationForStrategies(simulation, strategyFactoryList);
Console.ReadLine();
}
public void TestSingleProcessSimulation()
{
var pages = new List <IPage>
{
Mock.Of <IPage>(p => p.Id == Guid.NewGuid()),
Mock.Of <IPage>(p => p.Id == Guid.NewGuid()),
Mock.Of <IPage>(p => p.Id == Guid.NewGuid()),
Mock.Of <IPage>(p => p.Id == Guid.NewGuid()),
};
var frames = new List <IFrame>()
{
Mock.Of <IFrame>(f => f.Id == Guid.NewGuid()),
Mock.Of <IFrame>(f => f.Id == Guid.NewGuid()),
};
var pageReferences = new List <IPageReference>()
{
Mock.Of <IPageReference>(r => r.PageId == pages[0].Id),
Mock.Of <IPageReference>(r => r.PageId == pages[1].Id),
Mock.Of <IPageReference>(r => r.PageId == pages[1].Id),
Mock.Of <IPageReference>(r => r.PageId == pages[2].Id),
Mock.Of <IPageReference>(r => r.PageId == pages[1].Id),
Mock.Of <IPageReference>(r => r.PageId == pages[3].Id),
Mock.Of <IPageReference>(r => r.PageId == pages[1].Id),
};
var nextReplacedFrameIndex = 0;
var strategy = Mock.Of <IOrganizingStrategy>();
Mock.Get(strategy).Setup(m => m.CreateReplacingVisitor(It.IsAny <IPageReference>()))
.Returns((IPageReference pageReference) =>
{
var visitor = Mock.Of <IReplacingVisitor>(m =>
m.PageId == pageReference.PageId &&
m.FrameId == frames[nextReplacedFrameIndex].Id);
nextReplacedFrameIndex = 1 - nextReplacedFrameIndex;
return(visitor);
});
var pagesReferencesIterator = pageReferences.GetEnumerator();
pagesReferencesIterator.MoveNext();
var process = Mock.Of <IProcess>();
Mock.Get(process).SetupAllProperties();
Mock.Get(process).Setup(m => m.HasNextPageToLoad).Returns(
() => pagesReferencesIterator.Current != null);
Mock.Get(process).Setup(m => m.LoadNextPage()).Callback(() =>
{
var pageReference = pagesReferencesIterator.Current;
var replacing = strategy.CreateReplacingVisitor(pageReference);
if (replacing == null)
{
throw new NullReferenceException("no more pages to load");
}
process.VirtualMemory.Accept(replacing);
process.PhysicalMemory.Accept(replacing);
pagesReferencesIterator.MoveNext();
});
void ReplacePages(IReplacingVisitor visitor) => frames.First(f => f.Id.Equals(visitor.FrameId)).Page = visitor.Page;
var virtualMemory = Mock.Of <IVirtualMemory>();
Mock.Get(virtualMemory).Setup(m => m.Accept(It.IsAny <IReplacingVisitor>())).Callback((IReplacingVisitor visitor) => visitor.Page = pages.First(p => p.Id.Equals(visitor.PageId)));
var virtualMemoryFactory = Mock.Of <IVirtualMemoryFactory>();
Mock.Get(virtualMemoryFactory).Setup(m => m.Create(It.IsAny <List <IPage> >())).Returns(virtualMemory);
var physicalMemory = Mock.Of <IPhysicalMemory>();
Mock.Get(physicalMemory).Setup(m => m.Accept(It.IsAny <IReplacingVisitor>())).Callback((IReplacingVisitor visitor) => ReplacePages(visitor));
Mock.Get(physicalMemory).Setup(m => m.Contains(It.IsAny <Guid>())).Returns <Guid>((p) => frames.Where(f => f.Page != null).Count(f => f.Page.Id.Equals(p)) == 1);
var physicalMemoryFactory = Mock.Of <IPhysicalMemoryFactory>();
Mock.Get(physicalMemoryFactory).Setup(m => m.Create(It.IsAny <List <IFrame> >())).Returns(physicalMemory);
var simulation = new SingleProcessSimulation(physicalMemoryFactory, virtualMemoryFactory)
{
PageReferenceList = pageReferences,
Process = process
};
simulation.ProcessAll();
Mock.Get(physicalMemory).Verify(m => m.Accept(It.IsAny <IReplacingVisitor>()), Times.Exactly(7));
}
