public void CheckIf_DefaultSingleton_DoesNot_Contain_OneInstance_Parallel()
{
Parallel.For(0, numberOfThreads, task =>
{
DefaultSingleton.GetSingletonInstance();
});
Assert.AreNotEqual(1, DefaultSingleton.singletonCounter);
}
public static DefaultSingleton GetSingletonInstance()
{
if (singletonInstance == null)
{
singletonInstance = new DefaultSingleton();
singletonCounter += 1;
}
return(singletonInstance);
}
public PocSingleton()
{
Ds1 = DefaultSingleton.Instance;
Ds2 = DefaultSingleton.Instance;
Engine1 = GenericsSingleton <Engine> .Instance;
Turbine1 = GenericsSingleton <Turbine> .Instance;
Engine2 = GenericsSingleton <Engine> .Instance;
Turbine2 = GenericsSingleton <Turbine> .Instance;
}
/// <summary>
///
/// </summary>
/// <param name="loggerType"></param>
/// <returns></returns>
public static ILogger GetLog(LoggerType loggerType)
{
switch (loggerType)
{
case LoggerType.ConsoleLog:
return(DefaultSingleton <ConsoleLoger> .GetInstance());
case LoggerType.NLog:
return(DefaultSingleton <NLoger> .GetInstance());
default:
return(DefaultSingleton <NLoger> .GetInstance());
}
}
public void TestThredsPerformance_Of_SingleLock_And_Default()
{
var stopWatch = System.Diagnostics.Stopwatch.StartNew();
stopWatch.Start();
Parallel.For(0, numberOfThreads, task =>
{
SingleCheckSingleton.GetSingletonInstance();
});
stopWatch.Stop();
var elapsedSingleCheck = stopWatch.ElapsedTicks;
stopWatch.Start();
Parallel.For(0, numberOfThreads, task =>
{
DefaultSingleton.GetSingletonInstance();
});
stopWatch.Stop();
var elapsedDefaultCheck = stopWatch.ElapsedTicks;
Assert.IsTrue(elapsedDefaultCheck > elapsedSingleCheck, string.Format("Elapsed single: {0}, default: {1}",
elapsedSingleCheck, elapsedDefaultCheck));
}
