public void TestRegisterReplace()
{
// check before insert
Assert.NotNull(ServiceRegister);
Assert.Empty(ServiceRegister.Registrations);
// insert
var instance = new DummyDerivedClass();
ServiceRegister.RegisterInstance <DummyBaseClass>(instance);
Assert.NotEmpty(ServiceRegister.Registrations);
Assert.Single(ServiceRegister.Registrations);
// try resolve registration
var registration = ServiceRegister.FindRegistration <DummyBaseClass>();
Assert.NotNull(registration);
Assert.Same(instance, registration.Create(null));
// replace registration
var otherInstance = new DummyOtherDerivedClass();
ServiceRegister.RegisterInstance <DummyBaseClass>(otherInstance, ServiceRegistrationMode.Replace);
// try resolve other registration
var otherRegistration = ServiceRegister.FindRegistration <DummyBaseClass>();
Assert.NotEmpty(ServiceRegister.Registrations);
Assert.Single(ServiceRegister.Registrations);
Assert.NotNull(otherRegistration);
Assert.Same(otherInstance, otherRegistration.Create(null));
}
public void TestRegisterDuplicateInstance()
{
// check before insert
Assert.NotNull(ServiceRegister);
Assert.Empty(ServiceRegister.Registrations);
// insert
var instance = new DummyDerivedClass();
ServiceRegister.RegisterInstance <DummyBaseClass>(instance);
Assert.NotEmpty(ServiceRegister.Registrations);
Assert.Single(ServiceRegister.Registrations);
// insert other (should throw exception)
Assert.Throws <RegistrationException>(
() => ServiceRegister.RegisterInstance <DummyBaseClass>(instance));
}