public void Activate()
{
object obj = CustomActivator.CreateInstance(_member.DeclaringType);
MethodInfo method = obj.GetType().GetMethod(_member.Name);
_cachedInstance = Delegate.CreateDelegate(_delType, obj, method);
}
public override void Activate()
{
IDictionary <string, Lazy <object> > valuesLazy = ImportValues.ToDictionary(
x => x.Key.MemberName,
v => v.Value);
if (CachedInstance == null && this.Definition.ParameterlessConstructor)
{
_cachedInstance = CustomActivator.CreateInstance(Definition.GetPartType());
var unpackValues = valuesLazy.ToDictionary(k => k.Key, v => v.Value.Value);
CustomActivator.PopulateObjectProperties(_cachedInstance, unpackValues);
}
else if (this.Definition.ParameterlessConstructor)
{
var unpackValues = valuesLazy.ToDictionary(k => k.Key, v => v.Value.Value);
CustomActivator.PopulateObjectProperties(_cachedInstance, unpackValues);
}
else
{
var constructor = Definition.GetConstructor();
var requiredParameters = constructor.GetParameters();
//Sorting imports to match constructor order
object[] unpackValues = new SortedDictionary <string, Lazy <object> >(valuesLazy)
.Zip(requiredParameters, (lazyValues, required) => new { lazyValues, required })
.OrderBy(x => x.required.Name)
.Select(x => x.lazyValues.Value.Value)
.ToArray <object>();
_cachedInstance = Definition.GetConstructor().Invoke(unpackValues);
}
}
public void CustomActivatorMustInstantiateIntarfaceWithItsDefaultValues()
{
var resultObject = CustomActivator.CreateInstance <IParametersTest>();
resultObject.Integer.Should().Be(0);
resultObject.Boolean.Should().Be(false);
resultObject.AnotherInteger.Should().Be(0);
resultObject.AnotherBoolean.Should().Be(false);
resultObject.IntegerNullable.Should().Be(null);
}