public void ObjectActivator_ConstructorDoesNotExist_ThrowsException()
{
InstanceFactory.Clear();
Assert.Throws <InvalidOperationException>(() => InstanceFactory.CreateInstance(typeof(ConstructableObject), 5));
Assert.AreEqual(0, InstanceFactory.ObjectCreators.Count);
}
public void ObjectActivator_SupplingFourArguments_CreatesObject_DoesNOTCacheActivator()
{
InstanceFactory.Clear();
var instance = InstanceFactory.CreateInstance(typeof(ConstructableObject), "bob1", "bob2", "bob3", "bob4");
Assert.IsNotNull(instance);
Assert.AreEqual(0, InstanceFactory.ObjectCreators.Count);
}
public void MethodInvoker_VoidReturn_ThrowsException()
{
InstanceFactory.Clear();
var methodInfo = typeof(InstanceFactoryTests).GetMethod(nameof(InstanceFactoryTests.DivideNumbers));
Assert.Throws <ArgumentException>(() =>
{
var invoker = InstanceFactory.CreateInstanceMethodInvoker(methodInfo);
});
}
public void ObjectActivator_SupplingOneArgument_CreatesObject_CachesActivator()
{
InstanceFactory.Clear();
var instance = InstanceFactory.CreateInstance(typeof(ConstructableObject), "bob");
Assert.IsNotNull(instance);
Assert.AreEqual(1, InstanceFactory.ObjectCreators.Count);
InstanceFactory.Clear();
}
public void ObjectActivator_ViaGeneric_EmptyConstructor_CreatesObject_CachesActivator()
{
InstanceFactory.Clear();
var instance = InstanceFactory.CreateInstance <ConstructableObject>(null);
Assert.IsNotNull(instance);
Assert.AreEqual(1, InstanceFactory.ObjectCreators.Count);
InstanceFactory.Clear();
}
public void MethodInvoker_StandardInvoke_ReturnsValue()
{
InstanceFactory.Clear();
var methodInfo = typeof(InstanceFactoryTests).GetMethod(nameof(InstanceFactoryTests.AddNumbers));
var invoker = InstanceFactory.CreateInstanceMethodInvoker(methodInfo);
var instance = new InstanceFactoryTests();
var result = invoker(instance, 5, 3);
Assert.AreEqual(8, result);
// ensure it was cached.
Assert.AreEqual(1, InstanceFactory.MethodInvokers.Count);
InstanceFactory.Clear();
}
public void PropertySetterInvoker_StandardInvoke_ReturnsValue()
{
InstanceFactory.Clear();
var invokerSet = InstanceFactory.CreatePropertySetterInvokerCollection(typeof(InstanceFactoryTests));
// ensure the "gettable" only property was skipped
Assert.AreEqual(1, invokerSet.Count);
invokerSet.TryGetValue(nameof(SettableNumber), out var invoker);
Assert.IsNotNull(invoker);
var instance = new InstanceFactoryTests();
invoker(instance, 13);
Assert.AreEqual(13, instance.SettableNumber);
// ensure it was cached.
Assert.AreEqual(1, InstanceFactory.PropertyInvokers.Count);
InstanceFactory.Clear();
}