public void CanDistinguishDerivedTypesThatImplementAnInterface()
{
// Test root interface
var allTypesOfAThatImplementILetter = new List <A>();
allTypesOfAThatImplementILetter.AddRange(ReflectionTools.GetAllInstancesOfTypeWithInterface <A, ILetter>());
Assert.AreEqual(4, allTypesOfAThatImplementILetter.Count);
for (var i = 0; i < allAssignableFromA.Count; i++)
{
Assert.IsTrue(allAssignableFromA.Exists(x => x.GetType() == allAssignableFromA[i].GetType()));
}
// Test nested interface
var allSubclassesOfAWithInterfaceIFavoriteLetter = new List <A>
{
new C(), new D()
};
var reflectionDerivedTypesOfAWithInterfaceIFavoriteLetter = new List <A>();
reflectionDerivedTypesOfAWithInterfaceIFavoriteLetter.AddRange(
ReflectionTools
.GetAllInstancesOfTypeWithInterface <A, IFavoriteLetter>());
Assert.AreEqual(2, reflectionDerivedTypesOfAWithInterfaceIFavoriteLetter.Count);
for (var i = 0; i < allSubclassesOfAWithInterfaceIFavoriteLetter.Count; i++)
{
Assert.IsTrue(
reflectionDerivedTypesOfAWithInterfaceIFavoriteLetter.Exists(
x =>
x.GetType() == allSubclassesOfAWithInterfaceIFavoriteLetter[i].GetType()));
}
}