public void OneThreadSimpleMethodTest()
{
Func <float> simple = () => 0.1f;
var lazy = LazyFactory <float> .CreateOneThreading(simple);
Assert.AreEqual(0.1f, lazy.Get());
}
public void RaceConditionsCheck()
{
var count = 0;
var lazy = LazyFactory.CreateMultiThreadedLazy(() => Interlocked.Increment(ref count));
const int threadsCount = 100;
var threads = new Thread[threadsCount];
for (int i = 0; i < threads.Length; ++i)
{
threads[i] = new Thread(() => {
lazy.Get();
});
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
Assert.AreEqual(1, count);
}
public void CheckThatLazyStoresPassedFunction()
{
var simpleLazy = LazyFactory.CreateMultithreadLazy(() => { return(42); });
var lazyResult = simpleLazy.Get();
Assert.AreEqual(42, lazyResult);
} /// <summary>
public void GetTest()
{
var testString = "test";
var lazy = LazyFactory <string> .CreateLazyMultitreaded(() => testString);
Assert.AreEqual(testString, lazy.Get());
}
public void ValueIsNotCalculatedMoreThanOnceTest()
{
int count = 0;
var lazy = LazyFactory <int> .CreateLazyMultitreaded(() => ++ count);
const int amountOfThreads = 10;
var threads = new List <Thread>();
for (int i = 0; i < amountOfThreads; ++i)
{
threads.Add(new Thread(() =>
{
const int amountOfCalls = 10;
for (int j = 0; j < amountOfCalls; ++j)
{
Assert.AreEqual(1, lazy.Get());
}
}));
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
}
public void GetTest_CanSupplierReturnNullByGet()
{
Func <string> supplierNull = () => null;
var lazy = LazyFactory.SingleThreadLazy(supplierNull);
Assert.IsNull(lazy.Get());
}
public void CalculateMultiThreadTest()
{
var x = 4;
var lazy = LazyFactory.CreateMultiThreadLazy <int>(() => x * x);
Assert.AreEqual(16, lazy.Get());
}
public void ManyThreadsTest()
{
var lazy = LazyFactory <Thread> .CreateConcurrentLazy(() => Thread.CurrentThread);
const int numberOfThreads = 10;
var threads = new Thread[numberOfThreads];
var results = new Thread[numberOfThreads];
for (int i = 0; i < numberOfThreads; ++i)
{
var localI = i;
threads[localI] = new Thread(() => results[localI] = lazy.Get());
threads[localI].Start();
}
for (int i = 0; i < numberOfThreads; ++i)
{
threads[i].Join();
}
for (int i = 0; i < numberOfThreads; ++i)
{
Assert.AreSame(results[0], results[i]);
}
}
public void GetReturnSameObject()
{
var lazyObject = LazyFactory <object> .CreateMymultithreadedLazy(() => new object());
var threadMass = new List <Thread>();
var results = new object[5];
for (var i = 0; i < 5; ++i)
{
var local = i;
Thread devThread = new Thread(() => results[local] = lazyObject.Get());
threadMass.Add(devThread);
threadMass[i].Start();
}
foreach (var thread in threadMass)
{
thread.Join();
}
for (var i = 0; i < results.Length - 1; ++i)
{
Assert.IsTrue(results[i] == results[i + 1]);
}
}
public void TestBinpow()
{
int Binpow()
{
int a = 3;
int p = 8;
int res = 1;
while (p != 0)
{
if (p % 2 == 1)
{
res *= a;
}
a *= a;
p /= 2;
}
return(res);
}
SimpleLazy <int> binpowLazy = LazyFactory.CreateSimpleLazy(Binpow);
Assert.AreEqual(Binpow(), binpowLazy.Get);
}
public void ThreadTest()
{
string HelloFunc() => "Hello";
const int n = 10;
SafeLazy <string> helloLazy = LazyFactory.CreateSafeLazy(HelloFunc);
string[] resStrings = new string[n];
Thread[] threads = new Thread[n];
for (int i = 0; i < n; ++i)
{
int k = i;
threads[i] = new Thread(() => { resStrings[k] = helloLazy.Get; });
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
for (int i = 0; i < n; ++i)
{
Assert.AreEqual(HelloFunc(), resStrings[i]);
}
}
public void OneThreadExceptionTest()
{
Func <string> exception = () => throw new ArgumentException("this method throws an exception");
var lazy = LazyFactory <string> .CreateOneThreading(exception);
Assert.ThrowsException <ArgumentException>(lazy.Get);
}
public void OneThreadNullTest()
{
Func <string> empty = () => null;
var lazy = LazyFactory <string> .CreateOneThreading(empty);
Assert.IsNull(lazy.Get());
}
public void MultiThreadArrayTest()
{
Func <int[]> makeArray = () =>
{
var array = new int[3];
array[0] = 10;
return(array);
};
var lazyMultiThread = LazyFactory <int[]> .CreateMultiThreading(makeArray);
var threads = new Thread[3];
var results = new int[3][];
for (var i = 0; i < 3; i++)
{
threads[i] = new Thread(() =>
{
results[i] = lazyMultiThread.Get();
});
}
StartThreads(threads);
Assert.AreEqual(results[0], results[1]);
Assert.AreEqual(results[1], results[2]);
}
public void MultithreadedTest()
{
var value = 0;
Func <int> func = () => -- value;
var lazy = LazyFactory.CreateThreadSafeLazy(func);
var threads = new Thread[Environment.ProcessorCount];
var results = new int[threads.Length * 2];
for (var i = 0; i < threads.Length; ++i)
{
var localI = i;
threads[i] = new Thread(() =>
{
results[localI * 2] = lazy.Get();
results[localI * 2 + 1] = lazy.Get();
});
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
foreach (var result in results)
{
Assert.AreEqual(-1, result);
}
}
public void SingleThreadedLazyShouldReturnNull()
{
var func = new Func <object>(() => { return(null); });
var lazy = LazyFactory.CreateSingleThreadedLazy(func);
Assert.IsNull(lazy.Get());
}
public void SeveralThreadsResultIsCalculatedOnlyOnceTest()
{
int count = 0;
lazy = LazyFactory <int> .CreateMultithreadedLazy(() => ++ count);
threads = new Thread[4];
for (var i = 0; i < threads.Length; ++i)
{
threads[i] = new Thread(() =>
{
Assert.AreEqual(1, lazy.Get());
Assert.AreEqual(1, lazy.Get());
Assert.AreEqual(1, lazy.Get());
});
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
}
public void Setup()
{
lazyGiantMatrix = LazyFactory <GiantMatrix>
.CreateConcurrentLazy(() => new GiantMatrix(1000, 1000));
resetEvent = new ManualResetEvent(false);
}
public ConstructorMap(ConstructorInfo ctor, IEnumerable <ConstructorParameterMap> ctorParams)
{
Ctor = ctor;
CtorParams = ctorParams;
_runtimeCtor = LazyFactory.Create(() => DelegateFactory.CreateCtor(ctor, CtorParams));
}
public void MultiThreadedLazyShouldReturnCorrectValue()
{
var func = new Func <int>(() => { return(1); });
var lazy = LazyFactory.CreateMultiThreadedLazy(func);
var threads = new Thread[100];
const int trueResult = 1;
for (int i = 0; i < threads.Length; i++)
{
threads[i] = new Thread(() =>
{
Assert.AreEqual(trueResult, lazy.Get());
Assert.AreEqual(trueResult, lazy.Get());
});
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
}
public void CorrectValueTest()
{
var lazy = LazyFactory <int> .CreateSimpleLazy(() => 345);
Assert.AreEqual(345, lazy.Get());
Assert.AreEqual(345, lazy.Get());
}
public LeafBase(IServiceContainer ctx, SpanStream stream)
{
this.ctx = ctx;
this.stream = stream;
reader = LazyFactory.CreateLazy(() => new TypeDataReader(ctx, stream));
}
public void RepeatedGetCallTest()
{
var lazy = LazyFactory <int[]> .CreateLazyMultitreaded(() => (new [] { 1, 2, 3, 4, 5, 6 }));
const int amountOfThreads = 10;
var threads = new List <Thread>();
for (int i = 0; i < amountOfThreads; ++i)
{
threads.Add(new Thread(() =>
{
var firstResult = lazy.Get();
Assert.AreEqual(firstResult, lazy.Get());
}));
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
}
public void ParallelCalculationTest()
{
var result = 0;
var rightResult = 10000;
var threads = new Thread[Environment.ProcessorCount];
var lazy = LazyFactory <int> .CreateAlternativeLazy(() =>
{
for (int i = 0; i < rightResult; i++)
{
Interlocked.Increment(ref result);
}
return(result);
});
for (int iter = 0; iter < threads.Length; iter++)
{
var localI = iter;
threads[localI] = new Thread(() => lazy.Get());
}
foreach (var thread in threads)
{
thread.Start();
}
foreach (var thread in threads)
{
thread.Join();
}
Assert.AreEqual(rightResult, result);
}
/// <summary>
/// Clear out all existing configuration
/// </summary>
public static void Reset()
{
MapperRegistry.Reset();
Extensions.ClearExpressionCache();
_configuration = LazyFactory.Create(_configurationInit);
_mappingEngine = LazyFactory.Create(_mappingEngineInit);
}
public void MultiThreadNormalIntTest()
{
int value = 1;
Func <int> supp = () =>
{
value *= 10;
return(value);
};
var intLazy = LazyFactory <int> .CreateMultiThread(supp);
for (int i = 0; i < magicNumber; ++i)
{
var index = i;
threads[i] = new Thread(() =>
{
intResults[index] = intLazy.Get();
});
threads[i].Start();
}
foreach (var thread in threads)
{
thread.Join();
}
for (int i = 0; i < magicNumber; ++i)
{
Assert.AreEqual(10, intResults[i]);
}
}
/// <summary>
/// Instantiates the given factory using the <paramref name="getStronglyTypedFactory">factory functor.</paramref>
/// </summary>
/// <param name="currentServiceType">The service type that will be created by the factory.</param>
/// <param name="getStronglyTypedFactory">The functor that will be responsible for creating the factory itself.</param>
/// <param name="implementedInterfaces">
/// The list of <see cref="IFactory{T}" /> interfaces that are implemented by the
/// source type.
/// </param>
/// <returns>A valid factory instance.</returns>
private static IFactory GetFactory(Type currentServiceType,
Func <IFactoryRequest, IFactory> getStronglyTypedFactory,
ICollection <Type> implementedInterfaces)
{
var genericType = typeof(IFactory <>).MakeGenericType(currentServiceType);
// Lazy-instantiate the factories so that they can be injected by the container
IFactory lazyFactory = new LazyFactory(getStronglyTypedFactory);
IFactory result;
if (implementedInterfaces.Contains(genericType))
{
// Convert the IFactory<T> instance down to an IFactory
// instance so that it can be used by the target container
var lazyFactoryType = typeof(LazyFactory <>).MakeGenericType(currentServiceType);
var adapterType = typeof(FactoryAdapter <>).MakeGenericType(currentServiceType);
lazyFactory = (IFactory)Activator.CreateInstance(lazyFactoryType, getStronglyTypedFactory);
result = (IFactory)Activator.CreateInstance(adapterType, lazyFactory);
return(result);
}
// Otherwise, use the untyped IFactory instance instead
result = lazyFactory;
return(result);
}
public void MultiThreadNormalStringTest()
{
var value = "Nate ";
Func <string> supp = () => value + "Higgers";
var strLazy = LazyFactory <string> .CreateMultiThread(supp);
for (int i = 0; i < magicNumber; ++i)
{
var index = i;
threads[i] = new Thread(() =>
{
strResults[index] = strLazy.Get();
});
threads[i].Start();
}
foreach (var thread in threads)
{
thread.Join();
}
for (int i = 0; i < magicNumber; ++i)
{
Assert.AreEqual("Nate Higgers", strResults[i]);
}
}
public void MultiThreadListTest()
{
Func <List <int> > makeList = () =>
{
var list = new List <int>();
list.Add(5);
return(list);
};
var lazyMultiThread = LazyFactory <List <int> > .CreateMultiThreading(makeList);
var threads = new Thread[3];
var results = new List <int> [3];
for (var i = 0; i < 3; i++)
{
threads[i] = new Thread(() =>
{
results[i] = lazyMultiThread.Get();
});
}
StartThreads(threads);
Assert.AreEqual(results[0], results[1]);
Assert.AreEqual(results[1], results[2]);
}
public void CheckThatLazyWorksWithNull()
{
var simpleLazy = LazyFactory.CreateMultithreadLazy <object>(() => { return(null); });
var lazyResult = simpleLazy.Get();
Assert.AreEqual(null, lazyResult);
}