public void ShouldReturnTheSameImplementationInstanceWithEachResolutionRequest()
{
var container = new Container();
var lifecycleManager = new SingletonLifecycleManager();
var registration = new Registration(typeof(IAmATestInterface), typeof(ImplementationTest), lifecycleManager);
var firstInstanceReference = lifecycleManager.GetImplementationInstance(container, registration);
var secondInstanceReference = lifecycleManager.GetImplementationInstance(container, registration);
Assert.Same(firstInstanceReference, secondInstanceReference);
}
public void ReturnsTheSameInstanceEvenWhenCalledMultipleTimes()
{
// arrange
Func <A> factory = () => new A();
var singletonLifecycleManager = new SingletonLifecycleManager <A>(factory);
// act
var a1 = singletonLifecycleManager.GetObject();
var a2 = singletonLifecycleManager.GetObject();
// assert
Assert.NotNull(a1);
Assert.NotNull(a2);
Assert.Equal(a1, a2);
}
public void ReturnsTheSameInstanceEvenWhenCalledFromSeparateThreads()
{
// arrange
Func <A> factory = () => new A();
var singletonLifecycleManager = new SingletonLifecycleManager <A>(factory);
A a1 = null;
A a2 = null;
// act
var thread1 = new Thread(() => a1 = singletonLifecycleManager.GetObject());
var thread2 = new Thread(() => a2 = singletonLifecycleManager.GetObject());
thread1.Start();
thread2.Start();
thread1.Join();
thread2.Join();
// assert
Assert.NotNull(a1);
Assert.NotNull(a2);
Assert.Equal(a1, a2);
}