public void ClassCaster_WrongTypeThrowExceptionTrue_ThrowsInvalidCastException()
{
// arrange
var concrete = new Concrete();
IInterface concreteToInterface = concrete;
// act
Assert.Throws <InvalidCastException>(() =>
{
var result = concreteToInterface.Cast <DifferentConcrete>(true);
});
}
public void ClassCaster_WrongType_ReturnsNull()
{
// arrange
var concrete = new Concrete();
IInterface concreteToInterface = concrete;
// act
var result = concreteToInterface.Cast <DifferentConcrete>();
// assert
Assert.IsNull(result);
}
public void ClassCaster_DirectObject_CastsCorrectly()
{
// arrange
var concrete = new Concrete();
IInterface concreteToInterface = concrete;
// act
var result = concreteToInterface.Cast <Concrete>();
// assert
Assert.AreSame(concrete, result);
}
