public void DontCacheExceptions()
{
var i = 0;
var cache = new LazyCache <string>((k) =>
{
i++;
if (i == 1)
{
throw new Exception();
}
return("test");
}, 1);
try
{
var first = cache.Get("key");
}
catch (Exception)
{
}
var second = cache.Get("key");
Assert.IsTrue(second == "test");
}
public void OnlyOneInParallel_LongGetOperation()
{
var i = 0;
var cache = new LazyCache <string>((k) => { i++; Thread.Sleep(1000); return("test"); }, 1);
Parallel.ForEach(Enumerable.Range(1, 3), (a) => cache.Get("key"));
Assert.IsTrue(i == 1);
}
public void OnlyOneInParallel()
{
var i = 0;
var cache = new LazyCache <string>((k) => { i++; return("test"); }, 1);
Parallel.ForEach(Enumerable.Range(1, 5), (a) => cache.Get("key"));
Assert.IsTrue(i == 1);
}
public void CacheIsAutoRefreshing()
{
var i = 0;
var cache = new LazyCache <string>((k) =>
{
i++;
if (i == 2)
{
Thread.Sleep(200);
}
return("test");
}, 1.0 / 60);
var first = cache.Get("key");
Thread.Sleep(1500);
var duration = Duration(() =>
{
var second = cache.Get("key");
});
Assert.IsTrue(duration.TotalMilliseconds < 200);
}