public void HydratingFromMultipleThreads_IsSafe()
{
var numberOfHydrations = 0;
var cache = new CachedValue<int>(() => ++numberOfHydrations);
Assert.That(cache.Value, Is.EqualTo(1));
using (var countdownEvent = new CountdownEvent(2))
{
Action threadAction = () =>
{
cache.Invalidate();
countdownEvent.Signal();
countdownEvent.Wait();
Assert.That(cache.Value, Is.EqualTo(2));
};
var t1 = threadAction.BeginInvoke(threadAction.EndInvoke, null);
var t2 = threadAction.BeginInvoke(threadAction.EndInvoke, null);
WaitHandle.WaitAll(new[]{t1.AsyncWaitHandle, t2.AsyncWaitHandle});
}
Assert.That(numberOfHydrations, Is.EqualTo(2));
}
public IContent Load(IPath novelPath)
{
var item = Items.FirstOrDefault(x => x.Source.EqualsTo(novelPath));
if (item == null)
{
_content.Invalidate();
}
return(new EqualityNovel(new Novel(new ContentFolder(novelPath))));
}
public void Value_WhenInvalidatedAfterHydrating_HydratesAgain()
{
var numberOfHydrations = 0;
var cache = new CachedValue<int>(() => ++numberOfHydrations);
Assert.That(cache.Value, Is.EqualTo(1));
cache.Invalidate();
Assert.That(cache.Value, Is.EqualTo(2));
Assert.That(numberOfHydrations, Is.EqualTo(2));
}
public void Save(string content)
{
_file.Save(content);
_content.Invalidate();
}