public void СheckWithTheRace()
{
var lazy = LazyFactory.CreateMultiThreadLazy(() => DateTime.Now);
const int length = 10000;
var threads = new Thread[length];
var results = new DateTime[length];
for (var i = 0; i < length; i++)
{
var local = i;
threads[i] = new Thread(() => results[local] = lazy.Get());
}
foreach (var element in threads)
{
element.Start();
}
foreach (var element in threads)
{
element.Join();
}
for (var i = 1; i < length; i++)
{
Assert.AreEqual(results[0], results[i]);
}
}
public void CheckWhetherSupplierCalledOnce_MultiThreadLazy()
{
var lazy = LazyFactory.CreateMultiThreadLazy(() => DateTime.Now);
var result = lazy.Get();
Assert.AreEqual(result, lazy.Get());
Assert.AreEqual(result, lazy.Get());
}
public void IsItAllRightWithNull_MulriThreadLazy()
{
var lazy = LazyFactory.CreateMultiThreadLazy <string>(() => null);
var result = lazy.Get();
Assert.AreEqual(result, null);
Assert.AreEqual(result, lazy.Get());
}
public void DoesItWorkAtAll_MultiThreadLazy()
{
var lazy = LazyFactory.CreateMultiThreadLazy(() => 48);
Assert.AreEqual(48, lazy.Get());
}